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Seung Yeon Ha 22 Articles
Usefulness of BRAF VE1 immunohistochemistry in non–small cell lung cancers: a multi-institutional study by 15 pathologists in Korea
Sunhee Chang, Yoon-La Choi, Hyo Sup Shim, Geon Kook Lee, Seung Yeon Ha
J Pathol Transl Med. 2022;56(6):334-341.   Published online October 27, 2022
DOI: https://doi.org/10.4132/jptm.2022.08.22
  • 2,250 View
  • 131 Download
  • 5 Web of Science
  • 4 Crossref
AbstractAbstract PDF
Background
Next-generation sequencing (NGS) is an approved test to select patients for BRAF V600E targeted therapy in Korea. However, the high cost, long turnaround times, and the need for sophisticated equipment and skilled personnel limit the use of NGS in daily practice. Immunohistochemistry (IHC) is a rapid and relatively inexpensive assay available in most laboratories. Therefore, in this study, we evaluate the usefulness of BRAF VE1 IHC in terms of predictive value and interobserver agreement in non–small cell lung cancers (NSCLCs).
Methods
A total of 30 cases with known BRAF mutation status were selected, including 20 cases of lung adenocarcinomas, six cases of colorectal adenocarcinomas, and four cases of papillary thyroid carcinomas. IHC for BRAF V600E was carried out using the VE1 antibody. Fifteen pathologists independently scored both the staining intensity and the percentage of tumor cell staining on whole slide images.
Results
In the lung adenocarcinoma subset, interobserver agreement for the percentage of tumor cell staining and staining intensity was good (percentage of tumor cell staining, intraclass correlation coefficient = 0.869; staining intensity, kappa = 0.849). The interobserver agreement for the interpretation using the cutoff of 40% was almost perfect in the entire study group and the lung adenocarcinoma subset (kappa = 0.815). Sensitivity, specificity, positive predictive value, and negative predictive value of BRAF VE1 IHC were 80.0%, 90.0%, 88.9%, and 81.8%, respectively.
Conclusions
BRAF VE1 IHC could be a screening test for the detection of BRAF V600E mutation in NSCLC. However, further studies are needed to optimize the protocol and to establish and validate interpretation criteria for BRAF VE1 IHC.

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  • Dedifferentiated Leiomyosarcoma of the Uterine Corpus with Heterologous Component: Clinicopathological Analysis of Five Consecutive Cases from a Single Institution and Comprehensive Literature Review
    Suyeon Kim, Hyunsik Bae, Hyun-Soo Kim
    Diagnostics.2024; 14(2): 160.     CrossRef
  • Differentiating BRAF V600E- and RAS-like alterations in encapsulated follicular patterned tumors through histologic features: a validation study
    Chankyung Kim, Shipra Agarwal, Andrey Bychkov, Jen-Fan Hang, Agnes Stephanie Harahap, Mitsuyoshi Hirokawa, Kennichi Kakudo, Somboon Keelawat, Chih-Yi Liu, Zhiyan Liu, Truong Phan-Xuan Nguyen, Chanchal Rana, Huy Gia Vuong, Yun Zhu, Chan Kwon Jung
    Virchows Archiv.2024;[Epub]     CrossRef
  • BRAF V600E Mutation of Non-Small Cell Lung Cancer in Korean Patients
    Hyo Yeong Ahn, Chang Hun Lee, Min Ki Lee, Jung Seop Eom, Yeon Joo Jeong, Yeong Dae Kim, Jeong Su Cho, Jonggeun Lee, So Jeong Lee, Dong Hoon Shin, Ahrong Kim
    Medicina.2023; 59(6): 1085.     CrossRef
  • Reevaluating diagnostic categories and associated malignancy risks in thyroid core needle biopsy
    Chan Kwon Jung
    Journal of Pathology and Translational Medicine.2023; 57(4): 208.     CrossRef
Comparison of papanicolaou smear and human papillomavirus (HPV) test as cervical screening tools: can we rely on HPV test alone as a screening method? An 11-year retrospective experience at a single institution
Myunghee Kang, Seung Yeon Ha, Hyun Yee Cho, Dong Hae Chung, Na Rae Kim, Jungsuk An, Sangho Lee, Jae Yeon Seok, Juhyeon Jeong
J Pathol Transl Med. 2020;54(1):112-118.   Published online January 15, 2020
DOI: https://doi.org/10.4132/jptm.2019.11.29
  • 7,692 View
  • 214 Download
  • 11 Web of Science
  • 10 Crossref
AbstractAbstract PDF
Background
The decrease in incidence of cervical dysplasia and carcinoma has not been as dramatic as expected with the development of improved research tools and test methods. The human papillomavirus (HPV) test alone has been suggested for screening in some countries. The National Cancer Screening Project in Korea has applied Papanicolaou smears (Pap smears) as the screening method for cervical dysplasia and carcinoma. We evaluated the value of Pap smear and HPV testing as diagnostic screening tools in a single institution.
Methods
Patients co-tested with HPV test and Pap smear simultaneously or within one month of each other were included in this study. Patients with only punch biopsy results were excluded because of sampling errors. A total of 999 cases were included, and the collected reports encompassed results of smear cytology, HPV subtypes, and histologic examinations.
Results
Sensitivity and specificity of detecting high-grade squamous intraepithelial lesion (HSIL) and squamous cell carcinoma (SCC) were higher for Pap smears than for HPV tests (sensitivity, 97.14%; specificity, 85.58% for Pap smears; sensitivity, 88.32%; specificity, 54.92% for HPV tests). HPV tests and Pap smears did not differ greatly in detection of low-grade squamous intraepithelial lesion (85.35% for HPV test, 80.31% for Pap smears). When atypical glandular cells were noted on Pap smears, the likelihood for histologic diagnosis of adenocarcinoma following Pap smear was higher than that of high-risk HPV test results (18.8 and 1.53, respectively).
Conclusions
Pap smears were more useful than HPV tests in the diagnosis of HSIL, SCC, and glandular lesions.

Citations

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  • Challenges in the diagmosis of cervical pathologies
    D. Y. Chernov, O. A. Tikhonovskaya, S. V. Logvinov, I. A. Petrov, Y. S. Yuriev, A. A. Zhdankina, A. V. Gerasimov, I. V. Zingalyuk, G. A. Mikheenko
    Bulletin of Siberian Medicine.2024; 22(4): 201.     CrossRef
  • Selection of endogenous control and identification of significant microRNA deregulations in cervical cancer
    T. Stverakova, I. Baranova, P. Mikyskova, B. Gajdosova, H. Vosmikova, J. Laco, V. Palicka, H. Parova
    Frontiers in Oncology.2023;[Epub]     CrossRef
  • Attitudes towards prevention of cervical cancer and early diagnosis among female academicians
    Nurhan Doğan, Gamze Fışkın
    Journal of Obstetrics and Gynaecology Research.2022; 48(6): 1433.     CrossRef
  • Role of Self-Sampling for Cervical Cancer Screening: Diagnostic Test Properties of Three Tests for the Diagnosis of HPV in Rural Communities of Cuenca, Ecuador
    Bernardo Vega Crespo, Vivian Alejandra Neira, José Ortíz Segarra, Ruth Maldonado Rengel, Diana López, María Paz Orellana, Andrea Gómez, María José Vicuña, Jorge Mejía, Ina Benoy, Tesifón Parrón Carreño, Veronique Verhoeven
    International Journal of Environmental Research and Public Health.2022; 19(8): 4619.     CrossRef
  • Utility of Scoring System for Screening and Early Warning of Cervical Cancer Based on Big Data Analysis
    Dan Hou, Binjie Yang, Yangdan Li, Ming Sun
    Frontiers in Public Health.2022;[Epub]     CrossRef
  • Evaluation of Urine and Vaginal Self-Sampling versus Clinician-Based Sampling for Cervical Cancer Screening: A Field Comparison of the Acceptability of Three Sampling Tests in a Rural Community of Cuenca, Ecuador
    Bernardo Vega Crespo, Vivian Alejandra Neira, José Ortíz S, Ruth Maldonado-Rengel, Diana López, Andrea Gómez, María José Vicuña, Jorge Mejía, Ina Benoy, Tesifón Parrón Carreño, Veronique Verhoeven
    Healthcare.2022; 10(9): 1614.     CrossRef
  • Diagnostic distribution and pitfalls of glandular abnormalities in cervical cytology: a 25-year single-center study
    Jung-A Sung, Ilias P. Nikas, Haeryoung Kim, Han Suk Ryu, Cheol Lee
    Journal of Pathology and Translational Medicine.2022; 56(6): 354.     CrossRef
  • Comparison of Learning Transfer Using Simulation Problem-Based Learning and Demonstration: An Application of Papanicolaou Smear Nursing Education
    Jeongim Lee, Hae Kyoung Son
    International Journal of Environmental Research and Public Health.2021; 18(4): 1765.     CrossRef
  • Investigating host-virus interaction mechanism and phylogenetic analysis of viral proteins involved in the pathogenesis
    Ahmad Abu Turab Naqvi, Farah Anjum, Alaa Shafie, Sufian Badar, Abdelbaset Mohamed Elasbali, Dharmendra Kumar Yadav, Md. Imtaiyaz Hassan, Timir Tripathi
    PLOS ONE.2021; 16(12): e0261497.     CrossRef
  • Utility of Human Papillomavirus Testing for Cervical Cancer Screening in Korea
    Mee-seon Kim, Eun Hee Lee, Moon-il Park, Jae Seok Lee, Kisu Kim, Mee Sook Roh, Hyoun Wook Lee
    International Journal of Environmental Research and Public Health.2020; 17(5): 1726.     CrossRef
Intraoperative Frozen Cytology of Central Nervous System Neoplasms: An Ancillary Tool for Frozen Diagnosis
Myunghee Kang, Dong Hae Chung, Na Rae Kim, Hyun Yee Cho, Seung Yeon Ha, Sangho Lee, Jungsuk An, Jae Yeon Seok, Gie-Taek Yie, Chan Jong Yoo, Sang Gu Lee, Eun Young Kim, Woo Kyung Kim, Seong Son, Sun Jin Sym, Dong Bok Shin, Hee Young Hwang, Eung Yeop Kim, Kyu Chan Lee
J Pathol Transl Med. 2019;53(2):104-111.   Published online January 14, 2019
DOI: https://doi.org/10.4132/jptm.2018.11.10
  • 9,481 View
  • 598 Download
  • 5 Web of Science
  • 7 Crossref
AbstractAbstract PDF
Background
Pathologic diagnosis of central nervous system (CNS) neoplasms is made by comparing light microscopic, immunohistochemical, and molecular cytogenetic findings with clinicoradiologic observations. Intraoperative frozen cytology smears can improve the diagnostic accuracy for CNS neoplasms. Here, we evaluate the diagnostic value of cytology in frozen diagnoses of CNS neoplasms.
Methods
Cases were selected from patients undergoing both frozen cytology and frozen sections. Diagnostic accuracy was evaluated.
Results
Four hundred and fifty-four cases were included in this retrospective single-center review study covering a span of 10 years. Five discrepant cases (1.1%) were found after excluding 53 deferred cases (31 cases of tentative diagnosis, 22 cases of inadequate frozen sampling). A total of 346 cases of complete concordance and 50 cases of partial concordance were classified as not discordant cases in the present study. Diagnostic accuracy of intraoperative frozen diagnosis was 87.2%, and the accuracy was 98.8% after excluding deferred cases. Discrepancies between frozen and permanent diagnoses (n = 5, 1.1%) were found in cases of nonrepresentative sampling (n = 2) and misinterpretation (n = 3). High concordance was observed more frequently in meningeal tumors (97/98, 99%), metastatic brain tumors (51/52, 98.1%), pituitary adenomas (86/89, 96.6%), schwannomas (45/47, 95.8%), high-grade astrocytic tumors (47/58, 81%), low grade astrocytic tumors (10/13, 76.9%), non-neoplastic lesions (23/36, 63.9%), in decreasing frequency.
Conclusions
Using intraoperative cytology and frozen sections of CNS tumors is a highly accurate diagnostic ancillary method, providing subtyping of CNS neoplasms, especially in frequently encountered entities.

Citations

Citations to this article as recorded by  
  • Intraoperative Integrated Diagnostic System for Malignant Central Nervous System Tumors
    Takahiro Hayashi, Kensuke Tateishi, Shinichiro Matsuyama, Hiromichi Iwashita, Yohei Miyake, Akito Oshima, Hirokuni Honma, Jo Sasame, Katsuhiro Takabayashi, Kyoka Sugino, Emi Hirata, Naoko Udaka, Yuko Matsushita, Ikuma Kato, Hiroaki Hayashi, Taishi Nakamur
    Clinical Cancer Research.2024; 30(1): 116.     CrossRef
  • A multicenter proof-of-concept study on deep learning-based intraoperative discrimination of primary central nervous system lymphoma
    Xinke Zhang, Zihan Zhao, Ruixuan Wang, Haohua Chen, Xueyi Zheng, Lili Liu, Lilong Lan, Peng Li, Shuyang Wu, Qinghua Cao, Rongzhen Luo, Wanming Hu, Shanshan lyu, Zhengyu Zhang, Dan Xie, Yaping Ye, Yu Wang, Muyan Cai
    Nature Communications.2024;[Epub]     CrossRef
  • Unveiling the potential application of intraoperative brain smear for brain tumor diagnosis in low-middle-income countries: A comprehensive systematic review
    Muhammad Shakir, Ahmed Altaf, Hawra Hussain, Syed Muhammad Aqeel Abidi, Zoey Petitt, Mahnoor Tariq, Ahmed Gilani, S. Ather Enam
    Surgical Neurology International.2023; 14: 325.     CrossRef
  • A comparative study of squash smear cytology diagnosis and radiological diagnosis with histopathology in central nervous system lesions
    BN Kumarguru, G Santhipriya, SKranthi Kumar, RRamesh Kumar, AS Ramaswamy, P Janakiraman
    Journal of Cytology.2022; 39(1): 1.     CrossRef
  • Intraoperative squash cytology provides a qualitative intraoperative diagnosis for cases in which frozen section yields a diagnosis of equivocal brain tumour
    Hirotaka Fujita, Takuma Tajiri, Tomohisa Machida, Nozomi Nomura, Suguru Toguchi, Hitoshi Itoh, Shinichiro Hiraiwa, Tomoko Sugiyama, Masaaki Imai, Shinri Oda, Masami Shimoda, Naoya Nakamura
    Cytopathology.2020; 31(2): 106.     CrossRef
  • Intraoperative frozen cytology of intraosseous cystic meningioma in the sphenoid bone
    Na Rae Kim, Gie-Taek Yie
    Journal of Pathology and Translational Medicine.2020; 54(6): 508.     CrossRef
  • Use of 5-Aminolevulinic Acid for Confirmation of Lesional Biopsy Sample in Presumed High-Grade Glioma
    Victoria L. Watson, Jeffrey W. Cozzens
    World Neurosurgery.2019; 132: 21.     CrossRef
Prognostic Utility of Histological Growth Patterns of Colorectal Lung Oligometastasis
Son Jae Yeong, Min Gyoung Pak, Hyoun Wook Lee, Seung Yeon Ha, Mee Sook Roh
J Pathol Transl Med. 2018;52(2):98-104.   Published online February 12, 2018
DOI: https://doi.org/10.4132/jptm.2017.12.27
  • 5,600 View
  • 122 Download
  • 3 Web of Science
  • 2 Crossref
AbstractAbstract PDF
Background
Patients with resectable colorectal lung oligometastasis (CLOM) demonstrate a heterogeneous oncological outcome. However, the parameters for predicting tumor aggressiveness have not yet been fully investigated in CLOM. This study was performed to determine the prognostic value of histological growth patterns in patients who underwent surgery for CLOM.
Methods
The study included 92 patients who were diagnosed with CLOM among the first resection cases. CLOMs grow according to three histological patterns: aerogenous, pushing, and desmoplastic patterns. The growth patterns were evaluated on archival hematoxylin and eosin–stained tissue sections.
Results
The aerogenous pattern was found in 29.4% (n=27) of patients, the pushing pattern in 34.7% (n=32), the desmoplastic pattern in 6.5% (n=6), and a mix of two growth patterns in 29.4% (n=27). The size of the aerogenous pattern was significantly smaller than that of metastases with other patterns (p=.033). Kaplan-Meier analysis demonstrated that patients showing an aerogenous pattern appeared to have a poorer prognosis, which was calculated from the time of diagnosis of the CLOM (p=.044). The 5-year survival rate from the diagnosis of colorectal cancer tended to be lower in patients with an aerogenous pattern than in those who had a non-aerogenous pattern; however, the difference was marginally significant (p=.051). In the multivariate Cox analysis, the aerogenous pattern appeared as an independent predictor of poor overall survival (hazard ratio, 3.122; 95% confidence interval, 1.196 to 8.145; p=.020).
Conclusions
These results suggest that the growth patterns may play a part as a histology-based prognostic parameter for patients with CLOM.

Citations

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  • Predicting liver metastases growth patterns: Current status and future possibilities
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    Seminars in Cancer Biology.2021; 71: 42.     CrossRef
  • Histological growth patterns and molecular analysis of resected colorectal lung metastases
    Emanuela Pilozzi, Damiano Fedele, Andrea Montori, Laura Lorenzon, Valentina Peritore, Giorgia Mannocchi, Nikta Bagheri, Chiara Leone, Antonio Palumbo, Michela Roberto, Giulio Ranazzi, Erino Rendina, Genoveffa Balducci, Mohsen Ibrahim
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Molecular Testing of Lung Cancers
Hyo Sup Shim, Yoon-La Choi, Lucia Kim, Sunhee Chang, Wan-Seop Kim, Mee Sook Roh, Tae-Jung Kim, Seung Yeon Ha, Jin-Haeng Chung, Se Jin Jang, Geon Kook Lee
J Pathol Transl Med. 2017;51(3):242-254.   Published online April 21, 2017
DOI: https://doi.org/10.4132/jptm.2017.04.10
  • 13,858 View
  • 581 Download
  • 24 Web of Science
  • 23 Crossref
AbstractAbstract PDF
Targeted therapies guided by molecular diagnostics have become a standard treatment of lung cancer. Epidermal growth factor receptor (EGFR) mutations and anaplastic lymphoma kinase (ALK) rearrangements are currently used as the best predictive biomarkers for EGFR tyrosine kinase inhibitors and ALK inhibitors, respectively. Besides EGFR and ALK, the list of druggable genetic alterations has been growing, including ROS1 rearrangements, RET rearrangements, and MET alterations. In this situation, pathologists should carefully manage clinical samples for molecular testing and should do their best to quickly and accurately identify patients who will benefit from precision therapeutics. Here, we grouped molecular biomarkers of lung cancers into three categories—mutations, gene rearrangements, and amplifications—and propose expanded guidelines on molecular testing of lung cancers.

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    Cold Spring Harbor Perspectives in Medicine.2022; 12(3): a037812.     CrossRef
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    Jeonghyo Lee, Yeon Bi Han, Hyun Jung Kwon, Song Kook Lee, Hyojin Kim, Jin-Haeng Chung
    Journal of Pathology and Translational Medicine.2022; 56(5): 249.     CrossRef
  • Molecular biomarker testing for non–small cell lung cancer: consensus statement of the Korean Cardiopulmonary Pathology Study Group
    Sunhee Chang, Hyo Sup Shim, Tae Jung Kim, Yoon-La Choi, Wan Seop Kim, Dong Hoon Shin, Lucia Kim, Heae Surng Park, Geon Kook Lee, Chang Hun Lee
    Journal of Pathology and Translational Medicine.2021; 55(3): 181.     CrossRef
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    Melina E. Marmarelis, Corey J. Langer
    Clinical Lung Cancer.2020; 21(5): 395.     CrossRef
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    Eunhyang Park, Hyo Sup Shim
    Cancer Research and Treatment.2020; 52(2): 543.     CrossRef
  • High prevalence of ROS1 gene rearrangement detected by FISH in EGFR and ALK negative lung adenocarcinoma
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    Experimental and Molecular Pathology.2020; 117: 104548.     CrossRef
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    Acta Cytologica.2020; 64(1-2): 16.     CrossRef
  • Molecular Diagnostic Assays and Clinicopathologic Implications of MET Exon 14 Skipping Mutation in Non–small-cell Lung Cancer
    Eun Kyung Kim, Kyung A. Kim, Chang Young Lee, Sangwoo Kim, Sunhee Chang, Byoung Chul Cho, Hyo Sup Shim
    Clinical Lung Cancer.2019; 20(1): e123.     CrossRef
  • PD‐L1 expression in ROS1‐rearranged non‐small cell lung cancer: A study using simultaneous genotypic screening of EGFR, ALK, and ROS1
    Jongmin Lee, Chan Kwon Park, Hyoung‐Kyu Yoon, Young Jo Sa, In Sook Woo, Hyo Rim Kim, Sue Youn Kim, Tae‐Jung Kim
    Thoracic Cancer.2019; 10(1): 103.     CrossRef
  • Human Leukocyte Antigen Class I and Programmed Death-Ligand 1 Coexpression Is an Independent Poor Prognostic Factor in Adenocarcinoma of the Lung
    Yeon Bi Han, Hyun Jung Kwon, Soo Young Park, Eun-Sun Kim, Hyojin Kim, Jin-Haeng Chung
    Journal of Pathology and Translational Medicine.2019; 53(2): 86.     CrossRef
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    Pathmanathan Rajadurai, Phaik Leng Cheah, Soon Hin How, Chong Kin Liam, Muhammad Azrif Ahmad Annuar, Norhayati Omar, Noriah Othman, Nurhayati Mohd Marzuki, Yong Kek Pang, Ros Suzanna Ahmad Bustamam, Lye Mun Tho
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    Anna Chalmers, Laura Cannon, Wallace Akerley
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Rare Case of Anal Canal Signet Ring Cell Carcinoma Associated with Perianal and Vulvar Pagetoid Spread
Na Rae Kim, Hyun Yee Cho, Jeong-Heum Baek, Juhyeon Jeong, Seung Yeon Ha, Jae Yeon Seok, Sung Won Park, Sun Jin Sym, Kyu Chan Lee, Dong Hae Chung
J Pathol Transl Med. 2016;50(3):231-237.   Published online October 8, 2015
DOI: https://doi.org/10.4132/jptm.2015.08.08
  • 10,906 View
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  • 3 Web of Science
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AbstractAbstract PDF
A 61-year-old woman was referred to surgery for incidentally found colonic polyps during a health examination. Physical examination revealed widespread eczematous skin lesion without pruritus in the perianal and vulvar area. Abdominopelvic computed tomography showed an approximately 4-cm-sized, soft tissue lesion in the right perianal area. Inguinal lymph node dissection and Mils’ operation extended to perianal and perivulvar skin was performed. Histologically, the anal canal lesion was composed of mucin-containing signet ring cells, which were similar to those found in Pagetoid skin lesions. It was diagnosed as an anal canal signet ring cell carcinoma (SRCC) with perianal and vulvar Pagetoid spread and bilateral inguinal lymph node metastasis. Anal canal SRCC is rare, and the current case is the third reported case in the English literature. Seven additional cases were retrieved from the world literature. Here, we describe this rare case of anal canal SRCC with perianal Pagetoid spread and provide a literature review.

Citations

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Morphologic Analysis of Cytomegalovirus Infected Cells in Bronchial Washing Cytology: Comparison of Liquid-Based Preparation and Conventional Smear
Jae Yeon Seok, Jungsuk An, Seung Yeon Ha, Dong Hae Chung, Sangho Lee, Hyunchul Kim
J Pathol Transl Med. 2016;50(2):147-154.   Published online February 15, 2016
DOI: https://doi.org/10.4132/jptm.2015.12.25
  • 9,234 View
  • 75 Download
  • 3 Web of Science
  • 2 Crossref
AbstractAbstract PDF
Background
The cytopathic effects of cytomegalovirus (CMV) infection have been well described since the virus was first reported; however, the morphology of CMV infection has not been clearly studied. We examined the difference in detailed cytologic findings in bronchial washing cytology between liquid-based and conventionally prepared smears. Methods: Bronchial washing cytology was processed using either the conventional preparation (CP) or liquid-based preparation (LBP). Sixty-nine cells with typical cytopathic effects of CMV infection were detected on CP slides and 18 cells on LBP slides. Using the image analyzer, area, circumference, major axis, and minor axis of the cytoplasm, nucleus, and intranuclear inclusion were measured in singly scattered CMV-infected cells, and histiocytes were used as a control. Results: The mean cytoplasmic area of CMV-infected cells was 1.47 times larger than that of histiocytes in CP and 2.92 times larger in LBP (p<.05). The mean nuclear area of CMV-infected cells was 2.61 times larger than that of histiocytes in CP and 4.25 times larger in LBP (p<.05). The nucleus to cytoplasm ratio and intranuclear inclusion to cytoplasm ratio of the mean area, circumference, major axis, and minor axis in CP were larger than those in LBP (p<.05). Conclusions: The sizes of cytoplasm, nucleus, and intranuclear inclusion were larger in LBP than in CP, indicating that CMV-infected cells are easily detectable in LBP. However, the nucleus-to-cytoplasm ratio was larger in CP, suggesting that differentiation from malignancy or regenerative atypia requires caution in CP.

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    Tzy Harn Chua, Lavisha S Punjabi, Li Yan Khor
    Pathogens.2021; 10(11): 1410.     CrossRef
  • Diagnosis of Infectious Diseases in the Lower Respiratory Tract: A Cytopathologist's Perspective
    Rebecca J. Baldassarri, Deepika Kumar, Stephen Baldassarri, Guoping Cai
    Archives of Pathology & Laboratory Medicine.2019; 143(6): 683.     CrossRef
Comparison of Cytologic Characteristics between Adenoid Cystic Carcinoma and Adenoid Basal Carcinoma in the Uterine Cervix
Juhyeon Jeong, Seung Yeon Ha, Hyun Yee Cho, Dong Hae Chung, Jungsuk An
J Pathol Transl Med. 2015;49(5):396-402.   Published online August 17, 2015
DOI: https://doi.org/10.4132/jptm.2015.07.08
  • 8,307 View
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AbstractAbstract PDF
Background
Adenoid cystic carcinoma (ACC) and adenoid basal carcinoma (ABC) are rare in the uterine cervix. ACC is more aggressive than ABC, thus accurate differential diagnosis is important. In this study, we identified cytologic features useful in distinguishing these two tumors for diagnosis. Methods: Three cases of ACC and five cases of ABC were selected for this study. Cervicovaginal smear slides were reviewed retrospectively, and the area, circumference, major axis, and minor axis of nuclei were measured using an image analyzer. Results: ACC displayed three-dimensional clusters with a small acini pattern. ABC displayed peripheral palisading without an acini pattern. The nuclei of ACC were more irregular and angulated than those of ABC, and the former showed a coarsely granular chromatin pattern. The nucleic area, circumference, major axis, and minor axis were 18.556±8.665 µm2, 23.320±11.412 µm, 5.664±1.537 µm, and 4.127±1.107 µm in ACC and 11.017±4.440 µm2, 15.920±5.664 µm, 4.612±1.025 µm, and 3.088±0.762 µm in the cases of ABC. All measured values showed statistically significant difference (p < .001). Conclusions: Although the nuclei of both of these tumor types were oval shaped, inferred from the ratio of minor axis to major axis (0.728 in ACC and 0.669 in ABC), the area of nuclei was approximately 1.7 times larger in ACC than in ABC. Distinguishing nucleic features, including area, morphology, and chromatin pattern, may be helpful in making a correct diagnosis.

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  • Adenoid Basal Carcinoma of the Uterine Cervix: A Case Report
    Tatsuya Kanuma, Keiko Kigure, Tosio Nishimura, Yuji Ibuki, Shigeru Tsuchida, Harumi Kamiyama, Misa Iijima, Kazuto Nakamura
    The KITAKANTO Medical Journal.2016; 66(1): 11.     CrossRef
A Case of Primary Subpleural Pulmonary Microcystic Myxoma Coincidentally Occurred with Pulmonary Adenocarcinoma
Jungsuk Ahn, Na Rae Kim, Seung Yeon Ha, Keun-Woo Kim, Kook Yang Park, Yon Mi Sung
J Pathol Transl Med. 2015;49(3):274-278.   Published online May 15, 2015
DOI: https://doi.org/10.4132/jptm.2015.03.12
  • 6,982 View
  • 50 Download
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  • 1 Crossref
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  • Endobronchial Myxoma
    Arindam Mukherjee, Ritesh Agarwal, Sahajal Dhooria, Pawan Singh, Amanjit Bal, Harkant Singh, Inderpaul S. Sehgal
    Journal of Bronchology & Interventional Pulmonology.2018; 25(4): 335.     CrossRef
Utility of Transmission Electron Microscopy in Small Round Cell Tumors
Na Rae Kim, Seung Yeon Ha, Hyun Yee Cho
J Pathol Transl Med. 2015;49(2):93-101.   Published online March 12, 2015
DOI: https://doi.org/10.4132/jptm.2015.01.30
  • 14,025 View
  • 256 Download
  • 5 Web of Science
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AbstractAbstract PDF
Small round cell tumors (SRCTs) are a heterogeneous group of neoplasms composed of small, primitive, and undifferentiated cells sharing similar histology under light microscopy. SRCTs include Ewing sarcoma/peripheral neuroectodermal tumor family tumors, neuroblastoma, desmoplastic SRCT, rhabdomyosarcoma, poorly differentiated round cell synovial sarcoma, mesenchymal chondrosarcoma, small cell osteosarcoma, small cell malignant peripheral nerve sheath tumor, and small cell schwannoma. Non-Hodgkin’s malignant lymphoma, myeloid sarcoma, malignant melanoma, and gastrointestinal stromal tumor may also present as SRCT. The current shift towards immunohistochemistry and cytogenetic molecular techniques for SRCT may be inappropriate because of antigenic overlapping or inconclusive molecular results due to the lack of differentiation of primitive cells and unavailable genetic service or limited moleculocytogenetic experience. Although usage has declined, electron microscopy (EM) remains very useful and shows salient features for the diagnosis of SRCTs. Although EM is not always required, it provides reliability and validity in the diagnosis of SRCT. Here, the ultrastructural characteristics of SRCTs are reviewed and we suggest that EM would be utilized as one of the reliable modalities for the diagnosis of undifferentiated and poorly differentiated SRCTs.

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    Cam Robinson
    Microscopy and Microanalysis.2020; 26(S2): 1610.     CrossRef
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    Marina L. Leis, M. Elyse Salpeter, Bianca S. Bauer, Dale L. Godson, Bruce H. Grahn
    Veterinary Ophthalmology.2017; 20(4): 365.     CrossRef
  • Hirnbasissyndrom infolge eines Tumors bei einer 17 Monate alten Deutsch-Holstein-Färse
    Wolf Wippermann, Sandra Schöniger, Kerstin Gerlach, Gerald Fritz Schusser, Gabor Köller, Alexander Starke
    Tierärztliche Praxis Ausgabe G: Großtiere / Nutztiere.2016; 44(03): 180.     CrossRef
  • The Continuing Value of Ultrastructural Observation in Central Nervous System Neoplasms in Children
    Na Rae Kim, Sung-Hye Park
    Journal of Pathology and Translational Medicine.2015; 49(6): 427.     CrossRef
Alveolar Rhabdomyosarcoma of the Lip in an Adult with Clear Cell Features
Jae Yeon Seok, Juhyeon Jeong, Young Woo Cheon, Hyun Yee Cho, Seung Yeon Ha, Dong Hae Chung
J Pathol Transl Med. 2015;49(1):81-84.   Published online January 15, 2015
DOI: https://doi.org/10.4132/jptm.2014.06.03
  • 11,543 View
  • 100 Download
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Bilateral Stafne Bone Cavity in the Anterior Mandible with Heterotopic Salivary Gland Tissue: A Case Report
Hyunchul Kim, Jae Yeon Seok, Sangho Lee, Jungsuk An, Na Rae Kim, Dong Hae Chung, Hyun Yee Cho, Seung Yeon Ha
Korean J Pathol. 2014;48(3):248-249.   Published online June 26, 2014
DOI: https://doi.org/10.4132/KoreanJPathol.2014.48.3.248
  • 12,137 View
  • 73 Download
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  • Bilateral Stafne Bone Cavity in the Body of the Mandible: An Unusual Case Report and Literature Review
    Mayank Pahadia, Rutvi Vyas
    Cureus.2023;[Epub]     CrossRef
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    Mahdi Niknami, Azin Parsa, Zahra Khodadadi
    Imaging Science in Dentistry.2022; 52(2): 165.     CrossRef
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    Alaettin Koç, Cennet Neslihan Eroğlu, Ersen Bilgili
    Oral Radiology.2020; 36(3): 254.     CrossRef
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    Johan K.M. Aps, Natasha Koelmeyer, Cina Yaqub
    Dentomaxillofacial Radiology.2020; 49(4): 20190475.     CrossRef
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    Saeed Asgary, Naghmeh Emadi
    Clinical Case Reports.2020; 8(3): 523.     CrossRef
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    Ariyan S Araghi, Richard M Graham
    Dental Update.2019; 46(8): 792.     CrossRef
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    Liu Liu, Byung Cheol Kang, Suk Ja Yoon, Jae Seo Lee, Sel Ae Hwang
    Dentomaxillofacial Radiology.2018; 47(6): 20170383.     CrossRef
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    Ioan Davies, Holly Boyes, James Wykes, Graham Smith
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    Ji-Young Song
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Uncommon and Rare Human Papillomavirus Genotypes Relating to Cervical Carcinomas
Na Rae Kim, Myunghee Kang, Soon Pyo Lee, Hyunchul Kim, Jungsuk An, Dong Hae Chung, Seung Yeon Ha, Hyun Yee Cho
Korean J Pathol. 2014;48(1):43-49.   Published online February 25, 2014
DOI: https://doi.org/10.4132/KoreanJPathol.2014.48.1.43
  • 6,967 View
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AbstractAbstract PDF
Background

Human papillomavirus (HPV) is an oncogenic virus in cervical cancer and most invasive carcinomas (ICs) are caused by HPV16 and 18. However, the roles and contributions of other uncommon and rare genotypes remain uncertain.

Methods

HPV genotypes were retrospectively assessed using an HPV DNA chip that can specify up to 32 HPV genotypes. We arbitrarily regarded genotypes accounting for less than 6% of the total as uncommon and rare genotypes.

Results

A total of 3,164 HPV-positive cases were enrolled. In groups 2A, 2B, 3, and unclassified HPV genotypes, 2.4% of cases with uncommon HPV genotypes (68, 26, 34, 53, 66, 69, 70, 73, 40, 42, 43, 44, 54, 55, 61, 62, 6, and 11) showed high grade squamous intraepithelial lesions and ICs. There were no HPV32- and 57-infected cases.

Conclusions

We found that the uncommon and rare HPV genotypes may provide incremental etiologic contributions in cervical carcinogenesis, especially HPV68, 70, and 53. Further studies on these uncommon and rare HPV genotypes will be of importance in establishing the significance of genotypes in different regions, especially in planning a strategy for further vaccine development as well as follow-up on the effectiveness of the currently used vaccines.

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  • Human Papillomavirus (HPV69/HPV73) Coinfection associated with Simultaneous Squamous Cell Carcinoma of the Anus and Presumed Lung Metastasis
    Stephanie Shea, Marina Muñoz, Stephen C. Ward, Mary B. Beasley, Melissa R Gitman, Michael D Nowak, Jane Houldsworth, Emilia Mia Sordillo, Juan David Ramirez, Alberto E. Paniz Mondolfi
    Viruses.2020; 12(3): 349.     CrossRef
  • Human Papillomavirus Selected Properties and Related Cervical Cancer Prevention Issues
    Saule Balmagambetova, Andrea Tinelli, Ospan A. Mynbaev, Arip Koyshybaev, Olzhas Urazayev, Nurgul Kereyeva, Elnara Ismagulova
    Current Pharmaceutical Design.2020; 26(18): 2073.     CrossRef
  • Periungual Bowen's disease with a narrow longitudinal melanonychia mimicking periungual warts
    Taiyo HITAKA, Michiko HASEGAWA, Akira SHIMIZU, Yuko KURIYAMA, Atsushi TAMURA
    Skin Cancer.2019; 33(3): 211.     CrossRef
  • Detection of HPV RNA molecules in stratified mucin-producing intraepithelial lesion (SMILE) with concurrent cervical intraepithelial lesion: a case report
    Shiho Fukui, Kazunori Nagasaka, Naoko Iimura, Ranka Kanda, Takayuki Ichinose, Takeru Sugihara, Haruko Hiraike, Shunsuke Nakagawa, Yuko Sasajima, Takuya Ayabe
    Virology Journal.2019;[Epub]     CrossRef
  • Pitfalls of commercially available HPV tests in HPV68a detection
    Hana Jaworek, Katerina Kubanova, Vladimira Koudelakova, Rastislav Slavkovsky, Jiri Drabek, Marian Hajduch, Craig Meyers
    PLOS ONE.2019; 14(8): e0220373.     CrossRef
  • Overall accuracy of cervical cytology and clinicopathological significance of LSIL cells in ASC‐H cytology
    S. H. Kim, J. M. Lee, H. G. Yun, U. S. Park, S. U. Hwang, J.‐S. Pyo, J. H. Sohn
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  • Human papillomavirus genotyping by Linear Array and Next-Generation Sequencing in cervical samples from Western Mexico
    María Guadalupe Flores-Miramontes, Luis Alberto Torres-Reyes, Liliana Alvarado-Ruíz, Salvador Angel Romero-Martínez, Verenice Ramírez-Rodríguez, Luz María Adriana Balderas-Peña, Verónica Vallejo-Ruíz, Patricia Piña-Sánchez, Elva Irene Cortés-Gutiérrez, Lu
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  • Impact of human papillomavirus coinfections on the risk of high-grade squamous intraepithelial lesion and cervical cancer
    Adela Carrillo-García, Sergio Ponce-de-León-Rosales, David Cantú-de-León, Verónica Fragoso-Ontiveros, Imelda Martínez-Ramírez, Asunción Orozco-Colín, Alejandro Mohar, Marcela Lizano
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    Jin Hee Kang, Hwa young Ahn, Miri Kim, Shin Taek Oh, Baik Kee Cho, Hyun Jeong Park
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Altered Expression of PTEN and Its Major Regulator MicroRNA-21 in Pulmonary Neuroendocrine Tumors
Hyoun Wook Lee, Seung Yeon Ha, Mee Sook Roh
Korean J Pathol. 2014;48(1):17-23.   Published online February 25, 2014
DOI: https://doi.org/10.4132/KoreanJPathol.2014.48.1.17
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AbstractAbstract PDF
Background

Phosphatase and tensin homolog on chromosome ten (PTEN) is one of the most frequently inactivated tumor suppressors in various tumor types. MicroRNA-21 (miR-21) may affect tumor progression by post-transcriptional repression of expression of tumor suppressors, such as PTEN. This study was conducted to evaluate the significance of PTEN expression in pulmonary neuroendocrine (NE) tumors and to analyze the relationship between PTEN and miR-21 expressions.

Methods

Expressions of PTEN and miR-21 were investigated by immunohistochemistry and real time reverse transcription-polymerase chain reaction, respectively, in 75 resected pulmonary NE tumors (23 typical carcinoids [TCs], nine atypical carcinoids [ACs], 22 large cell NE carcinomas [LCNECs], and 21 small cell lung carcinomas [SCLCs]).

Results

Loss of PTEN expression was observed in four of 23 TCs (17.4%), four of nine ACs (44.4%), 16 of 22 LCNECs (72.7%) and nine of 21 SCLCs (42.9%) (p=.025). The expression level of miR-21 was significantly higher in high-grade NE carcinomas than in carcinoid tumors (p<.001). PTEN expression was inversely correlated with miR-21 expression (p<.001).

Conclusions

This study suggests that aberrant expression of PTEN in relation to miR-21 may represent an important step in the development and progression of pulmonary NE tumors.

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    Monu Pandey, Abhirup Mukhopadhyay, Surender K. Sharawat, Sachin Kumar
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    Tsung-Ming Chang, Yan-Shen Shan, Pei-Yi Chu, Shih Sheng Jiang, Wen-Chun Hung, Yu-Lin Chen, Hsiu-Chi Tu, Hui-You Lin, Hui-Jen Tsai, Li-Tzong Chen
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    Hiroaki Tsunezuka, Kaori Abe, Junichi Shimada, Masayoshi Inoue
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    Yu-Bin Meng, Xue Li, Zhao-Yang Li, Jin Zhao, Xu-Bo Yuan, Yu Ren, Zhen-Duo Cui, Yun-De Liu, Xian-Jin Yang
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    Song Yan, Gang Liu, Changyan Pei, Wenqing Chen, Pei Li, Qiang Wang, Xintian Jin, Jiajia Zhu, Mengzhu Wang, Xiyu Liu
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The New 2011 International Association for the Study of Lung Cancer/American Thoracic Society/European Respiratory Society Classification of Lung Adenocarcinoma in Resected Specimens: Clinicopathologic Relevance and Emerging Issues
Seung Yeon Ha, Mee Sook Roh
Korean J Pathol. 2013;47(4):316-325.   Published online August 26, 2013
DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.4.316
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AbstractAbstract PDF

Pathologists play an increasingly important role in personalized medicine for patients with lung cancer as a result of the newly recognized relationship between histologic classification and molecular change. In 2011, the International Association for the Study of Lung Cancer/American Thoracic Society/European Respiratory Society (IASLC/ATS/ERS) proposed a new architectural classification for invasive lung adenocarcinomas to provide uniform terminology and diagnostic criteria. This review highlighted the evolution of the classification of lung adenocarcinomas in resected specimens with special respect to both histologic subtyping and invasion. Histologic subtyping of lung adenocarcinoma has been updated based on five major predominant patterns. New concepts of adenocarcinoma in situ and minimally invasive adenocarcinomas have been introduced to define the condition of patients who are expected to have excellent survival. Although the new IASLC/ATS/ERS classification has promising clinical relevance, significant clarification remains necessary for the definitions of subtyping and invasion. More precise definitions and subsequent better education on the interpretation of terminology will be helpful for future studies.

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    Ping-Li Sun, Ji Eun Kim, Seol Bong Yoo, Hyojin Kim, Yan Jin, Sanghoon Jheon, Kwhanmien Kim, Choon Taek Lee, Jin-Haeng Chung
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Micronodular Thymoma with Lymphoid Stroma in a Multilocular Thymic Cyst: A Case Study
Na Rae Kim, Jae Ik Lee, Seung Yeon Ha
Korean J Pathol. 2013;47(4):392-394.   Published online August 26, 2013
DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.4.392
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AbstractAbstract PDF

Herein, we report a case of micronodular thymoma with lymphoid stroma in a previously healthy 73-year-old male. Thymectomy was performed. The solid and macrocystic masses were encapsulated with focal invasion. The solid portion consisted of nodules of bland-looking spindle or round epithelial cells in lymphoid stroma containing prominent germinal centers. The epithelial cells had moderate amount of cytoplasm and occasional mucin production. The cystic portion was lined with cuboidal epithelium. According to World Health Organization (WHO) classification, the mass was diagnosed as a micronodular thymoma with lymphoid stroma accompanied by a pre-existing multilocular thymic cyst. Micronodular thymoma with lymphoid stroma, a possible variant of type A thymoma, is an extremely rare tumor. This so-called "unusual" variant may imply the schematic weakness of the current WHO classification that cannot cover all morphologic types. Further study is recommended for clarification of this variant and its incorporation into the current classification.

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Cytologic Features of ALK-Positive Pulmonary Adenocarcinoma
Seung Yeon Ha, Jungsuk Ahn, Mee Sook Roh, Joungho Han, Jae Jun Lee, Boin Lee, Jun Yim
Korean J Pathol. 2013;47(3):252-257.   Published online June 25, 2013
DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.3.252
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AbstractAbstract PDF
Background

The aim of this study was to determine the cytologic features of anaplastic lymphoma kinase (ALK) expressing pulmonary adenocarcinoma.

Methods

We analyzed the cytopathological findings of 15 cases of endobronchial ultrasound guided aspiration and a case of bronchial washing. These cases were selected based on the histomorphology of ALK-rearranged lung adenocarcinoma.

Results

Cytology showed mucinous (81.3%) and hemorrhagic (50%) backgrounds. The cells were arranged in tubulopapillary or tubulocribriform patterns (93.8%), and clusters (56.3%) admixed with signet ring cell features (87.5%). The tumor cells were monotonous and uniform with vesicular nuclei and a small nucleolus.

Conclusions

The characteristic findings were sheets showing a tubulopapillary or tubulocribriform appearance, with vesicular nuclei and a bland chromatin pattern (p<0.001). Scattered signet ring cells were helpful in suggesting ALK-positive adenocarcinoma (p<0.001).

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  • Machine learning‐based gene alteration prediction model for primary lung cancer using cytologic images
    Shuhei Ishii, Manabu Takamatsu, Hironori Ninomiya, Kentaro Inamura, Takeshi Horai, Akira Iyoda, Naoko Honma, Rira Hoshi, Yuko Sugiyama, Noriko Yanagitani, Mingyon Mun, Hitoshi Abe, Tetuo Mikami, Kengo Takeuchi
    Cancer Cytopathology.2022; 130(10): 812.     CrossRef
  • Fine‐needle aspiration cytology of non‐small cell lung carcinoma: A paradigm shift
    Pranab Dey, Ratan Kumar Ghosh
    Diagnostic Cytopathology.2019; 47(4): 351.     CrossRef
  • Qualitative and quantitative cytomorphological features of primary anaplastic lymphoma kinase‐positive lung cancer
    Ryuko Tsukamoto, Hiroyuki Ohsaki, Sho Hosokawa, Yasunori Tokuhara, Shingo Kamoshida, Toshiko Sakuma, Tomoo Itoh, Chiho Ohbayashi
    Cytopathology.2019; 30(3): 295.     CrossRef
  • Primary signet-ring adenocarcinoma of the lung: A rare lung tumor
    Varun Rajpal, Rahul Kumar Sharma, Charul Dabral, Deepak Talwar
    South Asian Journal of Cancer.2019; 08(04): 257.     CrossRef
  • Cytological features in eight patients with ALK‐rearranged lung cancer
    Naoto Kuroda, Masahiko Ohara, Yukari Wada, Kaori Yasuoka, Keiko Mizuno, Kenji Yorita, Chiho Obayashi, Kengo Takeuchi
    Diagnostic Cytopathology.2018; 46(6): 516.     CrossRef
  • Cytological markers for predicting ALK‐positive pulmonary adenocarcinoma
    K. Miyata, S. Morita, H. Dejima, N. Seki, N. Matsutani, M. Mieno, F. Kondo, Y. Soejima, F. Tanaka, M. Sawabe
    Diagnostic Cytopathology.2017; 45(11): 963.     CrossRef
  • ALK-rearranged adenocarcinoma with extensive mucin production can mimic mucinous adenocarcinoma: clinicopathological analysis and comprehensive histological comparison with KRAS-mutated mucinous adenocarcinoma
    Yoon Jin Cha, Joungho Han, Soo Hyun Hwang, Tae Bum Lee, Hojoong Kim, Jea Ill Zo
    Pathology.2016; 48(4): 325.     CrossRef
  • Cytomorphological identification of advanced pulmonary adenocarcinoma harboring KRAS mutation in lymph node fine‐needle aspiration specimens: Comparative investigation of adenocarcinoma with KRAS and EGFR mutations
    Dae Hyun Song, Boram Lee, Yooju Shin, In Ho Choi, Sang Yun Ha, Jae Jun Lee, Min Eui Hong, Yoon‐La Choi, Joungho Han, Sang‐Won Um
    Diagnostic Cytopathology.2015; 43(7): 539.     CrossRef
  • Comprehensive analysis of RET and ROS1 rearrangement in lung adenocarcinoma
    Seung Eun Lee, Boram Lee, Mineui Hong, Ji-Young Song, Kyungsoo Jung, Maruja E Lira, Mao Mao, Joungho Han, Jhingook Kim, Yoon-La Choi
    Modern Pathology.2015; 28(4): 468.     CrossRef
No Detection of Simian Virus 40 in Malignant Mesothelioma in Korea
Minseob Eom, Jamshid Abdul-Ghafar, Sun-Mi Park, Joung Ho Han, Soon Won Hong, Kun Young Kwon, Eun Suk Ko, Lucia Kim, Wan Seop Kim, Seung Yeon Ha, Kyo Young Lee, Chang Hun Lee, Hye Kyoung Yoon, Yoo Duk Choi, Myoung Ja Chung, Soon-Hee Jung
Korean J Pathol. 2013;47(2):124-129.   Published online April 24, 2013
DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.2.124
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AbstractAbstract PDF
Background

Simian virus 40 (SV40), a polyomavirus, was discovered as a contaminant of a human polio vaccine in the 1960s. It is known that malignant mesothelioma (MM) is associated with SV40, and that the virus works as a cofactor to the carcinogenetic effects of asbestos. However, the reports about the correlation between SV40 and MM have not been consistent. The purpose of this study is to identify SV40 in MM tissue in Korea through detection of SV40 protein and DNA.

Methods

We analyzed 62 cases of available paraffin-blocks enrolled through the Korean Malignant Mesothelioma Surveillance System and performed immunohistochemistry for SV40 protein and real-time polymerase chain reaction (PCR) for SV40 DNA.

Results

Of 62 total cases, 40 had disease involving the pleura (64.5%), and 29 (46.8%) were found to be of the epithelioid subtype. Immunostaining demonstrated that all examined tissues were negative for SV40 protein. Sufficient DNA was extracted for real-time PCR analysis from 36 cases. Quantitative PCR of these samples showed no increase in SV40 transcript compared to the negative controls.

Conclusions

SV40 is not associated with the development of MM in Korea.

Citations

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  • Association Study of Pleural Mesothelioma and Oncogenic Simian Virus 40 in the Crocidolite-Contaminated Area of Dayao County, Yunnan Province, Southwest China
    Ru-ai Liu, Bo-yong Wang, Xin Chen, Yuan-qian Pu, Jia-ji Zi, Wen Mei, Ye-pin Zhang, Lu Qiu, Wei Xiong
    Genetic Testing and Molecular Biomarkers.2024;[Epub]     CrossRef
  • Binding of SV40’s Viral Capsid Protein VP1 to Its Glycosphingolipid Receptor GM1 Induces Negative Membrane Curvature: A Molecular Dynamics Study
    Raisa Kociurzynski, Sophie D. Beck, Jean-Baptiste Bouhon, Winfried Römer, Volker Knecht
    Langmuir.2019; 35(9): 3534.     CrossRef
  • Estimated future incidence of malignant mesothelioma in South Korea: Projection from 2014 to 2033
    Kyeong Min Kwak, Domyung Paek, Seung-sik Hwang, Young-Su Ju, Mark Allen Pershouse
    PLOS ONE.2017; 12(8): e0183404.     CrossRef
  • The function, mechanisms, and role of the genes PTEN and TP53 and the effects of asbestos in the development of malignant mesothelioma: a review focused on the genes' molecular mechanisms
    Leonardo Vinícius Monteiro de Assis, Mauro César Isoldi
    Tumor Biology.2014; 35(2): 889.     CrossRef
  • The role of key genes and pathways involved in the tumorigenesis of Malignant Mesothelioma
    Leonardo Vinícius Monteiro de Assis, Jamille Locatelli, Mauro César Isoldi
    Biochimica et Biophysica Acta (BBA) - Reviews on Cancer.2014; 1845(2): 232.     CrossRef
  • Pleural Mesothelioma: An Institutional Experience of 66 Cases
    Soomin Ahn, In Ho Choi, Joungho Han, Jhingook Kim, Myung-Ju Ahn
    Korean Journal of Pathology.2014; 48(2): 91.     CrossRef
Fine Needle Aspiration Cytology of Postoperative Spindle Cell Nodule in Neck after Thyroidectomy: A Case Report
Myunghee Kang, Seung Yeon Ha, Hyun Yee Cho, Jungsuk An, Dong Hae Chung, Yoo Seung Chung
Korean J Pathol. 2013;47(1):89-91.   Published online February 25, 2013
DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.1.89
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PDF

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  • Post-surgical thyroid bed myofibroma simulating a recurrent papillary thyroid carcinoma: A case report and review of the literature
    Jun Hyeon Park, Kyung Sik Yi, Chi-Hoon Choi, Yook Kim, Jisun Lee, Yeongtae Park, Ok-Jun Lee
    Medicine.2024; 103(2): e36945.     CrossRef
  • USP6‐associated neoplasm as a tentative subset of postoperative spindle cell nodule
    Lili Sun, Zehua Zhao, Yanmei Zhu
    Histopathology.2023; 82(4): 587.     CrossRef
  • Diagnostic Performance of Core Needle Biopsy for Characterizing Thyroidectomy Bed Lesions
    So Yeong Jeong, Jung Hwan Baek, Sae Rom Chung, Young Jun Choi, Dong Eun Song, Ki-Wook Chung, Won Woong Kim, Jeong Hyun Lee
    Korean Journal of Radiology.2022; 23(10): 1019.     CrossRef
Morphologic Analysis of Pulmonary Neuroendocrine Tumors
Seung Seok Lee, Myunghee Kang, Seung Yeon Ha, Jungsuk An, Mee Sook Roh, Chang Won Ha, Jungho Han
Korean J Pathol. 2013;47(1):16-20.   Published online February 25, 2013
DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.1.16
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AbstractAbstract PDF
Background

Few studies on how to diagnose pulmonary neuroendocrine tumors through morphometric analysis have been reported. In this study, we measured and analyzed the characteristic parameters of pulmonary neuroendocrine tumors using an image analyzer to aid in diagnosis.

Methods

Sixteen cases of typical carcinoid tumor, 5 cases of atypical carcinoid tumor, 15 cases of small cell carcinoma, and 51 cases of large cell neuroendocrine carcinoma were analyzed. Using an image analyzer, we measured the nuclear area, perimeter, and the major and minor axes.

Results

The mean nuclear area was 0.318±0.101 µm2 in typical carcinoid tumors, 0.326±0.119 µm2 in atypical carcinoid tumors, 0.314±0.107 µm2 in small cell carcinomas, and 0.446±0.145 µm2 in large cell neuroendocrine carcinomas. The mean nuclear circumference was 2.268±0.600 µm in typical carcinoid tumors, 2.408±0.680 µm in atypical carcinoid tumors, 2.158±0.438 µm in small cell carcinomas, and 3.247±1.276 µm in large cell neuroendocrine carcinomas. All parameters were useful in distinguishing large cell neuroendocrine carcinoma from other tumors (p=0.001) and in particular, nuclear circumference was the most effective (p=0.001).

Conclusions

Pulmonary neuroendocrine tumors showed nuclear morphology differences by subtype. Therefore, evaluation of quantitative nuclear parameters improves the accuracy and reliability of diagnosis.

Citations

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  • Clinical Significance of Persistent Tumor in Bone Marrow during Treatment of High-risk Neuroblastoma
    Young Bae Choi, Go Eun Bae, Na Hee Lee, Jung-Sun Kim, Soo Hyun Lee, Keon Hee Yoo, Ki Woong Sung, Hong Hoe Koo
    Journal of Korean Medical Science.2015; 30(8): 1062.     CrossRef
  • Morphologic Alteration of Metastatic Neuroblastic Tumor in Bone Marrow after Chemotherapy
    Go Eun Bae, Yeon-Lim Suh, Ki Woong Sung, Jung-Sun Kim
    Korean Journal of Pathology.2013; 47(5): 433.     CrossRef
Interobserver Variability in Diagnosing High-Grade Neuroendocrine Carcinoma of the Lung and Comparing It with the Morphometric Analysis
Seung Yeon Ha, Joungho Han, Wan-Seop Kim, Byung Seong Suh, Mee Sook Roh
Korean J Pathol. 2012;46(1):42-47.   Published online February 23, 2012
DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.1.42
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AbstractAbstract PDF
Background

Distinguishing small cell lung carcinoma (SCLC) and large cell neuroendocrine carcinoma (LCNEC) of the lung is difficult with little information about interobserver variability.

Methods

One hundred twenty-nine cases of resected SCLC and LCNEC were independently evaluated by four pathologists and classified according to the 2004 World Health Organization criteria. Agreement was regarded as "unanimous" if all four pathologists agreed on the classification. The kappa statistic was calculated to measure the degree of agreement between pathologists. We also measured cell size using image analysis, and receiver-operating-characteristic curve analysis was performed to evaluate cell size in predicting the diagnosis of high-grade neuroendocrine (NE) carcinomas in 66 cases.

Results

Unanimous agreement was achieved in 55.0% of 129 cases. The kappa values ranged from 0.35 to 0.81. Morphometric analysis reaffirmed that there was a continuous spectrum of cell size from SCLC to LCNEC and showed that tumors with cells falling in the middle size range were difficult to categorize and lacked unanimous agreement.

Conclusions

Our results provide an objective explanation for considerable interobserver variability in the diagnosis of high-grade pulmonary NE carcinomas. Further studies would need to define more stringent and objective definitions of cytologic and architectural characteristics to reliably distinguish between SCLC and LCNEC.

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    Syed Abdulla Mehmood, Kantrol Kumar Sahu, Sounok Sengupta, Sangh Partap, Rajshekhar Karpoormath, Brajesh Kumar, Deepak Kumar
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    Luisella Righi, Marco Volante, Mauro Papotti
    Acta Cytologica.2022; 66(4): 257.     CrossRef
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    Juxuan Zhang, Jiaxing Deng, Xiao Feng, Yilong Tan, Xin Li, Yixin Liu, Mengyue Li, Haitao Qi, Lefan Tang, Qingwei Meng, Haidan Yan, Lishuang Qi
    Frontiers in Genetics.2022;[Epub]     CrossRef
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    Dea N.M. Jepsen, Anne-Marie K. Fiehn, Rajendra S. Garbyal, Ulla Engel, Jakob Holm, Birgitte Federspiel
    Applied Immunohistochemistry & Molecular Morphology.2021; 29(6): 454.     CrossRef
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    Junhong Guo, Likun Hou, Wei Zhang, Zhengwei Dong, Lei Zhang, Chunyan Wu
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    Dmitriy Sonkin, Anish Thomas, Beverly A Teicher
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    Alessandra Fabbri, Mara Cossa, Angelica Sonzogni, Mauro Papotti, Luisella Righi, Gaia Gatti, Patrick Maisonneuve, Barbara Valeri, Ugo Pastorino, Giuseppe Pelosi
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    Erik Thunnissen, Alain C. Borczuk, Douglas B. Flieder, Birgit Witte, Mary Beth Beasley, Jin-Haeng Chung, Sanja Dacic, Sylvie Lantuejoul, Prudence A. Russell, Michael den Bakker, Johan Botling, Elisabeth Brambilla, Erienne de Cuba, Kim R. Geisinger, Kenzo
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    Erik Thunnissen, Birgit I. Witte, Masayuki Noguchi, Yasushi Yatabe
    Journal of Thoracic Oncology.2017; 12(6): e70.     CrossRef
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    Giuseppe Pelosi, Mauro Papotti, Guido Rindi, Aldo Scarpa
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WITHDRAWN:A Clinicopathologic Study of 220 Cases of Pulmonary Sclerosing Pneumocytoma in Korea: A Nationwide Survey
Myunghee Kang, Seung Yeon Ha, Joung Ho Han, Mee Sook Roh, Se Jin Jang, Hee Jin Lee, Heae Surng Park, Geon Kook Lee, Kyo Young Lee, Jin-Haeng Chung, Yoo Duk Choi, Chang Hun Lee, Lucia Kim, Myoung Ja Chung, Soon Hee Jung, Gou Young Kim, Wan-Seop Kim
Received April 4, 2018  Accepted July 9, 2018  Published online July 16, 2018  
DOI: https://doi.org/10.4132/jptm.2018.07.10    [Accepted]
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