Journal of Pathology and Translational Medicine

Original Articles

WITHDRAWN:A Clinicopathologic Study of 220 Cases of Pulmonary Sclerosing Pneumocytoma in Korea: A Nationwide Survey: Myunghee Kang, Seung Yeon Ha, Joung Ho Han, Mee Sook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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The Use of the Bethesda System for Reporting Thyroid Cytopathology in Korea: A Nationwide Multicenter Survey by the Korean Society of Endocrine Pathologists: Mimi Kim, Hyo Jin Park, Hye Sook Min, Hyeong Ju Kwon, Chan Kwon Jung, Seoung Wan Chae, Hyun Ju Yoo, Yoo Duk Choi, Mi Ja Lee, Jeong Ja Kwak, Dong Eun Song, Dong Hoon Kim, Hye Kyung Lee, Ji Yeon Kim, Sook Hee Hong, Jang Sihn Sohn, Hyun Seung Lee, So Yeon Park, Soon Won Hong, Mi Kyung Shin; J Pathol Transl Med. 2017;51(4):410-417. Published online June 14, 2017; DOI: https://doi.org/10.4132/jptm.2017.04.05

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Background
The Bethesda System for Reporting Thyroid Cytopathology (TBSRTC) has standardized the reporting of thyroid cytology specimens. The objective of the current study was to evaluate the nationwide usage of TBSRTC and assess the malignancy rates in each category of TBSRTC in Korea.
Methods
Questionnaire surveys were used for data collection on the fine needle aspiration (FNA) of thyroid nodules at 74 institutes in 2012. The incidences and follow-up malignancy rates of each category diagnosed from January to December, 2011, in each institute were also collected and analyzed.
Results
Sixty out of 74 institutes answering the surveys reported the results of thyroid FNA in accordance with TBSRTC. The average malignancy rates for resected cases in 15 institutes were as follows: nondiagnostic, 45.6%; benign, 16.5%; atypical of undetermined significance, 68.8%; suspicious for follicular neoplasm (SFN), 30.2%; suspicious for malignancy, 97.5%; malignancy, 99.7%.
Conclusions
More than 80% of Korean institutes were using TBSRTC as of 2012. All malignancy rates other than the SFN and malignancy categories were higher than those reported by other countries. Therefore, the guidelines for treating patients with thyroid nodules in Korea should be revisited based on the malignancy rates reported in this study.

Citations

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Improved Diagnostic Accuracy of Thyroid Fine-Needle Aspiration Cytology with Artificial Intelligence Technology
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Rita Luis, Balamurugan Thirunavukkarasu, Deepali Jain, Sule Canberk
Journal of Pathology and Translational Medicine.2024; 58(4): 165. CrossRef
Fine needle aspiration cytology diagnoses of follicular thyroid carcinoma: results from a multicenter study in Asia
Hee Young Na, Miyoko Higuchi, Shinya Satoh, Kaori Kameyama, Chan Kwon Jung, Su-Jin Shin, Shipra Agarwal, Jen-Fan Hang, Yun Zhu, Zhiyan Liu, Andrey Bychkov, Kennichi Kakudo, So Yeon Park
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Predictors of Malignancy in Thyroid Nodules Classified as Bethesda Category III
Xiaoli Liu, Jingjing Wang, Wei Du, Liyuan Dai, Qigen Fang
Frontiers in Endocrinology.2022;[Epub] CrossRef
Risk stratification of indeterminate thyroid nodules by novel multigene testing: a study of Asians with a high risk of malignancy
Chunfang Hu, Weiwei Jing, Qing Chang, Zhihui Zhang, Zhenrong Liu, Jian Cao, Linlin Zhao, Yue Sun, Cong Wang, Huan Zhao, Ting Xiao, Huiqin Guo
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CD56 Expression in Papillary Thyroid Carcinoma Is Highly Dependent on the Histologic Subtype: A Potential Diagnostic Pitfall
Uiju Cho, Yourha Kim, Sora Jeon, Chan Kwon Jung
Applied Immunohistochemistry & Molecular Morphology.2022; 30(5): 389. CrossRef
Malignancy rates in thyroid nodules: a long-term cohort study of 17,592 patients
M Grussendorf, I Ruschenburg, G Brabant
European Thyroid Journal.2022;[Epub] CrossRef
Subclassification of the Bethesda Category III (AUS/FLUS): A study of thyroid FNA cytology based on ThinPrep slides from the National Cancer Center in China
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Effect of the Noninvasive Follicular Thyroid Neoplasm With Papillary-Like Nuclear Features (NIFTP) Nomenclature Revision on Indian Thyroid Fine-Needle Aspiration Practice
Chanchal Rana, Pooja Ramakant, Divya Goel, Akanksha Singh, KulRanjan Singh, Suresh Babu, Anand Mishra
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Comprehensive DNA Methylation Profiling Identifies Novel Diagnostic Biomarkers for Thyroid Cancer
Jong-Lyul Park, Sora Jeon, Eun-Hye Seo, Dong Hyuck Bae, Young Mun Jeong, Yourha Kim, Ja Seong Bae, Seon-Kyu Kim, Chan Kwon Jung, Yong Sung Kim
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Huy Gia Vuong, Hanh Thi Tuyet Ngo, Andrey Bychkov, Chan Kwon Jung, Trang Huyen Vu, Kim Bach Lu, Kennichi Kakudo, Tetsuo Kondo
Cancer Cytopathology.2020; 128(4): 238. CrossRef
Thyroid cancer among patients with thyroid nodules in Yemen: a three-year retrospective study in a tertiary center and a specialty clinic
Butheinah A. Al-Sharafi, Jamila A. AlSanabani, Ibraheem M. Alboany, Amani M. Shamsher
Thyroid Research.2020;[Epub] CrossRef
Is Bethesda classification sufficient to predict thyroid cancer in endemic regions?
Gamze ÇITLAK, Bahar CANBAY TORUN
Journal of Surgery and Medicine.2020; 4(9): 794. CrossRef
Preoperative diagnostic categories of fine needle aspiration cytology for histologically proven thyroid follicular adenoma and carcinoma, and Hurthle cell adenoma and carcinoma: Analysis of cause of under- or misdiagnoses
Hee Young Na, Jae Hoon Moon, June Young Choi, Hyeong Won Yu, Woo-Jin Jeong, Yeo Koon Kim, Ji-Young Choe, So Yeon Park, Paula Soares
PLOS ONE.2020; 15(11): e0241597. CrossRef
Nuclear features of papillary thyroid carcinoma: Comparison of Core needle biopsy and thyroidectomy specimens
Jae Yeon Seok, Jungsuk An, Hyun Yee Cho, Younghye Kim, Seung Yeon Ha
Annals of Diagnostic Pathology.2018; 32: 35. CrossRef
Clinical utility of EZH1 mutations in the diagnosis of follicular-patterned thyroid tumors
Chan Kwon Jung, Yourha Kim, Sora Jeon, Kwanhoon Jo, Sohee Lee, Ja Seong Bae
Human Pathology.2018; 81: 9. CrossRef
The History of Korean Thyroid Pathology
Soon Won Hong, Chan Kwon Jung
International Journal of Thyroidology.2018; 11(1): 15. CrossRef
Thyroid FNA cytology in Asian practice—Active surveillance for indeterminate thyroid nodules reduces overtreatment of thyroid carcinomas
K. Kakudo, M. Higuchi, M. Hirokawa, S. Satoh, C. K. Jung, A. Bychkov
Cytopathology.2017; 28(6): 455. CrossRef
Thyroid Fine-Needle Aspiration Cytology Practice in Korea
Yoon Jin Cha, Ju Yeon Pyo, SoonWon Hong, Jae Yeon Seok, Kyung-Ju Kim, Jee-Young Han, Jeong Mo Bae, Hyeong Ju Kwon, Yeejeong Kim, Kyueng-Whan Min, Soonae Oak, Sunhee Chang
Journal of Pathology and Translational Medicine.2017; 51(6): 521. CrossRef
Current Practices of Thyroid Fine-Needle Aspiration in Asia: A Missing Voice
Andrey Bychkov, Kennichi Kakudo, SoonWon Hong
Journal of Pathology and Translational Medicine.2017; 51(6): 517. CrossRef
Current Status of Thyroid Fine-Needle Aspiration Practice in Thailand
Somboon Keelawat, Samreung Rangdaeng, Supinda Koonmee, Tikamporn Jitpasutham, Andrey Bychkov
Journal of Pathology and Translational Medicine.2017; 51(6): 565. CrossRef

Analysis of Mutations in Epidermal Growth Factor Receptor Gene in Korean Patients with Non-small Cell Lung Cancer: Summary of a Nationwide Survey: Sang Hwa Lee, Wan Seop Kim, Yoo Duk Choi, Jeong Wook Seo, Joung Ho Han, Mi Jin Kim, Lucia Kim, Geon Kook Lee, Chang Hun Lee, Mee Hye Oh, Gou Young Kim, Sun Hee Sung, Kyo Young Lee, Sun Hee Chang, Mee Sook Rho, Han Kyeom Kim, Soon Hee Jung, Se Jin Jang, The Cardiopulmonary Pathology Study Group of Korean Society of Pathologists; J Pathol Transl Med. 2015;49(6):481-488. Published online October 13, 2015; DOI: https://doi.org/10.4132/jptm.2015.09.14

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Abstract PDF

Background
Analysis of mutations in the epidermal growth factor receptor gene (EGFR) is important for predicting response to EGFR tyrosine kinase inhibitors. The overall rate of EGFR mutations in Korean patients is variable. To obtain comprehensive data on the status of EGFR mutations in Korean patients with lung cancer, the Cardiopulmonary Pathology Study Group of the Korean Society of Pathologists initiated a nationwide survey. Methods: We obtained 1,753 reports on EGFR mutations in patients with lung cancer from 15 hospitals between January and December 2009. We compared EGFR mutations with patient age, sex, history of smoking, histologic diagnosis, specimen type, procurement site, tumor cell dissection, and laboratory status. Results: The overall EGFR mutation rate was 34.3% in patients with non-small cell lung cancer (NSCLC) and 43.3% in patients with adenocarcinoma. EGFR mutation rate was significantly higher in women, never smokers, patients with adenocarcinoma, and patients who had undergone excisional biopsy. EGFR mutation rates did not differ with respect to patient age or procurement site among patients with NSCLC. Conclusions: EGFR mutation rates and statuses were similar to those in published data from other East Asian countries.

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Brief Case Reports

Hybrid Granular Cell Tumor/Perineurioma: Sung Sun Kim, Yoo Duk Choi, Jae Hyuk Lee, Chan Choi, Chang Soo Park; Korean J Pathol. 2014;48(6):409-412. Published online December 31, 2014; DOI: https://doi.org/10.4132/KoreanJPathol.2014.48.6.409

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Original Articles

Diagnostic Utility of a Clonality Test for Lymphoproliferative Diseases in Koreans Using the BIOMED-2 PCR Assay: Young Kim, Yoo Duk Choi, Chan Choi, Jong-Hee Nam; Korean J Pathol. 2013;47(5):458-465. Published online October 25, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.5.458

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Abstract PDF

Background

A clonality test for immunoglobulin (IG) and T cell receptor (TCR) is a useful adjunctive method for the diagnosis of lymphoproliferative diseases (LPDs). Recently, the BIOMED-2 multiplex polymerase chain reaction (PCR) assay has been established as a standard method for assessing the clonality of LPDs. We tested clonality in LPDs in Koreans using the BIOMED-2 multiplex PCR and compared the results with those obtained in European, Taiwanese, and Thai participants. We also evaluated the usefulness of the test as an ancillary method for diagnosing LPDs.

Methods

Two hundred and nineteen specimens embedded in paraffin, including 78 B cell lymphomas, 80 T cell lymphomas and 61 cases of reactive lymphadenitis, were used for the clonality test.

Results

Mature B cell malignancies showed 95.7% clonality for IG, 2.9% co-existing clonality, and 4.3% polyclonality. Mature T cell malignancies exhibited 83.8% clonality for TCR, 8.1% co-existing clonality, and 16.2% polyclonality. Reactive lymphadenitis showed 93.4% polyclonality for IG and TCR. The majority of our results were similar to those obtained in Europeans. However, the clonality for IGK of B cell malignancies and TCRG of T cell malignancies was lower in Koreans than Europeans.

Conclusions

The BIOMED-2 multiplex PCR assay was a useful adjunctive method for diagnosing LPDs.

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Combined detection of lymphocyte clonality and MALT1 translocations in bronchoalveolar lavage fluid for diagnosing pulmonary lymphomas
Takashi Kido, Hiroshi Ishimoto, Hiroshi Ishii, Kanako Hara, Mutsumi Ozasa, Hiroki Kawabata, Toshinori Kawanami, Yu Suzuki, Hiroki Yoshikawa, Atsuko Hara, Noriho Sakamoto, Nobuhiro Matsumoto, Chiharu Yoshii, Junya Fukuoka, Masaki Fujita, Masamitsu Nakazato
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Sina Marsilio, Shelley J. Newman, James Scot Estep, Paula R. Giaretta, Jonathan A. Lidbury, Emma Warry, Andi Flory, Paul S. Morley, Katy Smoot, Erin H. Seeley, Matthew J. Powell, Jan S. Suchodolski, Jörg M. Steiner
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Yuma Sakamoto, Ayako Masaki, Satsuki Aoyama, Shusen Han, Kosuke Saida, Kana Fujii, Hisashi Takino, Takayuki Murase, Shinsuke Iida, Hiroshi Inagaki
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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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Abstract 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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Soomin Ahn, In Ho Choi, Joungho Han, Jhingook Kim, Myung-Ju Ahn
Korean Journal of Pathology.2014; 48(2): 91. CrossRef

Case Reports

Melanotic Oncocytic Metaplasia of the Nasopharynx: A Report of Three Cases and Review of the Literature: Joo Young Na, Yeong Hui Kim, Yoo Duk Choi, Ji Shin Lee; Korean J Pathol. 2012;46(2):201-204. Published online April 25, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.2.201

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Abstract PDF

Melanotic oncocytic metaplasia of the nasopharynx is a rare condition which is characterized by the presence of usually a small, brown to black colored pigmented lesion around the Eustachian tube opening. Although it is a benign lesion, it may be clinically misdiagnosed as malignant melanoma. Microscopically, melanotic oncocytic metaplasia is a combination of oncocytic metaplasia of the epithelium of the gland and melanin pigmentation in its cytoplasm. In our present study, we report three cases of melanotic oncocytic metaplasia of the nasopharynx. All the three cases occurred in men and were presented as multiple black pigmented lesions around the torus tubarius. Microscopically, mucous glands with diffuse oncocytic metaplasia and numerous black pigments were observed. No cellular atypia was observed. Immunohistochemically, the scattering of S-100 protein-positive, and human melanoma black 45-negative dendritic melanocytes was evident. This is the first report of cases of melanotic oncocytic metaplasia of the nasopharynx in Korea.

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Lesions that mimic malignant tumors in nasopharyngeal biopsies: case series of 10 years
Mine Ozsen, Ozlem Saraydaroglu, Selin Yirmibes, H. Hakan Coskun
Tumori Journal.2022; 108(2): 119. CrossRef
Melanotic Oncocytic Metaplasia of the Nasopharynx Seen as a Rare Form of Cystic Mass: A Case Report and Review of the Literature
Keun-Ik Yi, Yong-Wan Kim
Journal of Clinical Otolaryngology Head and Neck Surgery.2022; 33(1): 23. CrossRef
Melanotic Oncocytic Metaplasia of the Nasopharynx: A Case Report With Review of Literature
Hsing-Yu Chen, Mpendulo Felix Gule, I-Wei Chang
Ear, Nose & Throat Journal.2021; 100(5_suppl): 771S. CrossRef
Malignant Mucosal Melanoma of the Eustachian Tube With Extension Into the Ipsilateral External Ear Canal: A Case Report and Review of the Literature
Lifeng Li, Nyall R. London, Xiaohong Chen
Ear, Nose & Throat Journal.2021; 100(5_suppl): 730S. CrossRef
Melanotic oncocytic metaplasia of the nasopharynx: A case report discussing the pathogenesis of a lesion
Shina Sakaguchi, Hiromasa Takakura, Shin-ichi Hayashi, Akira Noguchi, Hirohiko Tachino, Hideo Shojaku, Johji Imura
Otolaryngology Case Reports.2021; 20: 100276. CrossRef
Oncocytic Cysts of the Nasopharynx: A Case Report
Joshua C. Hwang, Raj D. Dedhia, Joan E. Bernard, Toby O. Steele
Allergy & Rhinology.2020; 11: 215265672095659. CrossRef
Melanotic Oncocytic Metaplasia of the Nasopharynx in the Patient with Suspicious Hemoptysis: Case Report
Taek Yoon Cheong, Han Seong Kim, Ick Soo Choi
Journal of Rhinology.2020; 27(2): 140. CrossRef
Clinicopathological features of melanotic and non-melanotic oncocytic lesions of the nasopharynx
Joshua J.X. Li, Joanna K.M. Ng, Amy B.W. Chan
Pathology.2019; 51(6): 600. CrossRef
Melanotic oncocytic metaplasia of the nasopharynx
Keiichiro Uehara, Yu Usami, Yukihiro Imai, Michio Shimizu
Pathology International.2015; 65(3): 144. CrossRef

Odontogenic Keratocyst Associated with an Ectopic Tooth in the Maxillary Sinus: A Report of Two Cases and a Review of the Literature.: Hyuk Il Kwon, Won Bong Lim, Ji Sun Kim, Young Jong Ko, In Ae Kim, Suk Ja Yoon, Yoo Duk Choi, Hong Ran Choi, Ok Joon Kim; Korean J Pathol. 2011;45:S5-S10.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.S1.S5

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Abstract PDF

Odontogenic keratocysts are benign intraosseous tumors of odontogenic origin that occur most commonly in the jaw. In particular, they have a predilection for the angle and ascending ramus of the mandible. In contrast, odontogenic keratocysts arising in the maxillary sinus are relatively rare. Two such cases are reported herein. In addition, the English literature that concerns odontogenic keratocysts of the maxillary sinus is reviewed.

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Diagnostic Dilemma of Odontogenic keratocyst Mimicking a Dentigerous Cyst: A Case Report
Georgia Benitha, Syed Wali Peeran
International Journal of Head and Neck Pathology.2023; 6(2): 6. CrossRef
Keratocystic odontogenic tumor associated with impacted maxillary third molar extending to the antrum: A challenging diagnosis
Roozbeh Pahlevan, Farnaz Keyhanlou, Sahar Fazel, Fatemeh Shahsavari
Human Pathology: Case Reports.2019; 15: 59. CrossRef
Current Concepts and Occurrence of Epithelial Odontogenic Tumors: II. Calcifying Epithelial Odontogenic Tumor Versus Ghost Cell Odontogenic Tumors Derived from Calcifying Odontogenic Cyst
Suk Keun Lee, Yeon Sook Kim
Korean Journal of Pathology.2014; 48(3): 175. CrossRef
Keratocystic Odontogenic Tumor with an Ectopic Tooth in Maxilla
Basavaraj T. Bhagawati, Manish Gupta, Gaurav Narang, Sharanamma Bhagawati
Case Reports in Dentistry.2013; 2013: 1. CrossRef
A Large Keratocystic Odontogenic Tumor
Saurabh Jolly, Jeevan Lata
World Journal of Dentistry.2013; 4(2): 138. CrossRef
Keratocystic odontogenic tumour (KCOT) misdiagnosed as a dentigerous cyst
Seema Chaudhary, Ashish Sinha, Pranamee Barua, Rachappa Mallikarjuna
BMJ Case Reports.2013; : bcr2012008741. CrossRef

Original Articles

Distinction of Pulmonary Large Cell Neuroendocrine Carcinoma from Small Cell Lung Carcinoma Using a Panel of Bcl-2, p63, and 34betaE12.: Jun Zhe Li, Chan Choi, Yoo Duk Choi, Kook Joo Na; Korean J Pathol. 2011;45(2):170-174.; DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.2.170

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Abstract PDF: BACKGROUND
Making the distinction between large cell neuroendocrine carcinoma (LCNEC) and small cell lung carcinoma (SCLC) is difficult in some samples of biopsy tissues, but we have to separate LCNEC from SCLC because the two types of cancer may need different therapy and they have different prognostic implications. Thus far, there are no specific immunohistochemical markers that allow distinguishing these two kinds of tumors.
METHODS
We performed an immunohistochemical analysis to study the expressions of p63, Bcl-2, and 34betaE12 and to investigate whether these 3 molecules have correlations in LCNEC and SCLC. We also evaluated the expression of the neuroendocrine markers chromogranin, synaptophysin and CD56.
RESULTS
A statistical analysis was performed for p63, Bcl-2, and 34betaE12 in separate and combined panels. According to the combinations of p63, Bcl-2, and 34betaE12, there were frequent expressions of p63-/Bcl-2+ or Bcl-2+/34betaE12- in the SCLC, and there was a superior proportion of them in the SCLC rather than that in the LCNEC. The p63-/Bcl-2+ and Bcl-2+/34betaE12- antibody combinations showed higher specificities compared to any single antibody for diagnosing SCLC.
CONCLUSIONS
Bcl-2 and selective p63 or 34betaE12 made up a most useful panel of markers for making the differential diagnosis of LCNEC and SCLC.

HPV Genotyping in Squamous Cell Carcinoma of Upper Aerodigestive Tract.: Young Kim, Eun Hui Jeong, Byung Woo Min, Sung Sun Kim, Yoo Duk Choi, Woon Jae Jung, Jong Hee Nam, Chang Soo Park; Korean J Pathol. 2010;44(5):483-487.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.5.483

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Abstract PDF

BACKGROUND
Smoking and alcohol consumption are the main risk factors for squamous cell carcinoma of the upper aerodigestive tract (SCCUAT). However, human papillomavirus (HPV) has been etiologically linked with tonsillar squamous cell carcinoma (TSCC). Therefore, we investigated the etiologic role of HPV in the context of SCCUAT in Korea.
METHODS
Archival paraffin block samples from 136 cases previously diagnosed as SCCUAT were randomly selected. A commercial HPV DNA chip was used for HPV genotyping.
RESULTS
One hundred and seventeen cases were available after checking beta-globin (47 cases of tonsil and 70 of non-tonsil). A HPV-positive result (HPV 16 and 18) occurred in 13 cases of SCCUAT, and 12 cases were tonsil (25.5%, 12/47). Among the 12 HPV-positive patients with TSCC, nine were non-smokers and non-drinkers. Most HPV-negative patients with TSCC had a history of alcohol drinking and smoking (32/35, 91.4%). HPV infection status was not significantly associated with histological grade, clinical stage, or survival in patients with TSCC.
CONCLUSIONS
HPV infection was significantly higher in patients with TSCC among those with SCCUAT. HPV may be independent risk factor in development of TSCC, such as smoking and alcohol drinking.

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Prevalence of high-risk human papillomavirus and its genotype distribution in head and neck squamous cell carcinomas
Yuil Kim, Young-Hoon Joo, Min-Sik Kim, Youn Soo Lee
Journal of Pathology and Translational Medicine.2020; 54(5): 411. CrossRef

DNA Methylation Profiles of MGMT, DAPK1, hMLH1, CDH1, SHP1, and HIC1 in B-Cell Lymphomas.: Sung Sun Kim, Young Hyo Choi, Chang Woo Han, Yoo Duk Choi, Youngkyu Park, Je Jung Lee, Hyeoung Joon Kim, Il Kwon Lee, Ji Shin Lee, Sang Woo Juhng, Chan Choi; Korean J Pathol. 2009;43(5):420-427.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.5.420

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Abstract PDF

BACKGROUND
This study was designed to examine the prevalence of aberrant promoter methylation in a selected panel of genes potentially involved in lymphoid tumors.
METHODS
The promoter hypermethylation status of MGMT, DAPK1, hMLH1, CDH1, SHP1, and HIC1 was measured by methylation-specific PCR for 82 cases of B-cell lymphoma. Immunohistochemical staining using MGMT and SHP1 antibodies was conducted on 43 out of 82 cases.
RESULTS
The number of MGMT aberrant methylations was lower in diffuse large B-cell lymphoma (DLBCL) than in other malignant lymphomas. The methylation of DAPK1 was frequently detected in follicular lymphoma (FL), marginal zone B-cell lymphoma (MZL) and DLBCL. With one exception, methylation of hMLH1 was not observed in B-cell lymphomas. The methylation frequency of CDH1, and HIC1 was similar in B-cell lymphomas. However, the methylation of SHP1 gene was more frequently observed in cases of FL, DLBCL, and MZL than in chronic lymphocytic lymphoma. MGMT and SHP1 promoter methylation were inversely correlated with the protein expression observed upon immunohistochemical staining.
CONCLUSIONS
Aberrant promoter methylation of multiple genes occurs with variable frequency throughout the B-cell lymphomas, and methylation of hMLH1 is rarely observed in B-cell lymphomas.

Citations

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Plasma DNA methylation of p16 and shp1 in patients with B cell non-Hodgkin lymphoma
Kai Ding, Xiaoshuang Chen, Yihao Wang, Hui Liu, Wenjing Song, Lijuan Li, Guojin Wang, Jia Song, Zonghong Shao, Rong Fu
International Journal of Clinical Oncology.2017; 22(3): 585. CrossRef
Hypermethylation of p15 Gene in Diffuse – Large B‐Cell Lymphoma: Association with Less Aggressiveness of the Disease
Milena Krajnović, Maja Peruničić Jovanović, Biljana Mihaljević, Boško Anđelić, Olivera Tarabar, Slavica Knežević‐Ušaj, Koviljka Krtolica
Clinical and Translational Science.2014; 7(5): 384. CrossRef

Case Report

Cytologic Diagnosis of Malignant Pleural Effusion in Multiple Myeloma: Two Case Reports.: Yoo Duk Choi, Sung Sun Kim, Chang Woo Han, Ji Shin Lee, Jong Hee Nam, Sang Woo Juhng, Chan Choi; Korean J Pathol. 2009;43(4):382-385.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.4.382

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Abstract PDF

Malignant pleural effusion in multiple myeloma (MM) is extremely rare and is associated with poor prognosis. We experienced two cases of MM IgA type with malignant pleural effusion. The diagnoses were based on characteristic cytology and CD138 immunocytochemistry. The patients received several cycles of combination chemotherapy, since symptoms were more aggressive with an uncontrolled pleural effusion. We review the clinical features of these cases and literature concerning myelomatous pleural effusion.

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Características de los pacientes con derrame pleural mielomatoso. Revisión sistemática
V. Riveiro, L. Ferreiro, M.E. Toubes, A. Lama, J.M. Álvarez-Dobaño, L. Valdés
Revista Clínica Española.2018; 218(2): 89. CrossRef
Characteristics of patients with myelomatous pleural effusion. A systematic review
V. Riveiro, L. Ferreiro, M.E. Toubes, A. Lama, J.M. Álvarez-Dobaño, L. Valdés
Revista Clínica Española (English Edition).2018; 218(2): 89. CrossRef
A 76-Year-Old Man With Anemia, Bone Pain, and Progressive Dyspnea
Thitiporn Suwatanapongched, Prapaporn Pornsuriyasak, Wasana Kanoksil, Thotsaporn Morasert, Warapat Virayavanich
Chest.2014; 145(4): 913. CrossRef

Original Articles

Analysis of HPV-other Samples by Performing HPV DNA Sequencing.: Yoo Duk Choi, Chang Woo Han, Woon Jae Chung, Woon Won Jung, Ji Shin Lee, Jong Hee Nam, Min Cheol Lee, Sang Woo Juhng, Ho Sun Choi, Chang Soo Park; Korean J Pathol. 2009;43(3):250-253.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.3.250

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Abstract PDF

BACKGROUND
HPV-other samples are designated as being positive on HPV-PCR, but negative when using specific HPV hybridization probes. We wanted to determine the types on the HPV-other samples by performing sequencing, and to know the pathologic status of the uterine cervix according to the HPV type detected on sequencing.
METHODS
For HPV genotying, we used the commercially available HPV DNA Chip test, which contains 15 types of high-risk HPV and 9 types of low-risk HPV. The HPV DNA sequencing was performed for the HPV-other samples of 209 patients who subsequently underwent cervical biopsy.
RESULTS
For 204 of the 209 samples, the HPV types detected by sequencing were absent types at used HPV DNA chip. For the remaining 5 samples, sequencing was impossible due to mixed peaks. HPV-81 (19.6%), HPV-61 (18.6%), HPV-62 (16.7%) and HPV-84 (13.9%) were frequently detected. For the HPV-81, -62, -71, and -72 samples, most of the samples displayed normal or LSIL. However, HPV-84 and -61 were more associated with HSIL or worse, as compared to the other types.
Conclusion
HPV-81, -61, -62 and -84 were frequently found on sequencing analysis of the HPV-other samples. The pathologic status was diverse, according to the HPV type detected on sequencing.

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Changes in microbial composition and interaction patterns of female urogenital tract and rectum in response to HPV infection
Yong-Hong Dong, Yu-Hua Luo, Chen-Jian Liu, Wen-Yu Huang, Lin Feng, Xing-Yuan Zou, Jin-Yan Zhou, Xiao-Ran Li
Journal of Translational Medicine.2024;[Epub] CrossRef
Cervical Dysplasia, Infection, and Phylogeny of Human Papillomavirus in HIV-Infected and HIV-Uninfected Women at a Reproductive Health Clinic in Nairobi, Kenya
Agnes Omire, Nancy L. M. Budambula, Leah Kirumbi, Hillary Langat, Danvas Kerosi, Washingtone Ochieng, Raphael Lwembe
BioMed Research International.2020; 2020: 1. CrossRef
Molecular characterisation of genital human papillomavirus among women in Southwestern, Nigeria
Yewande T. Nejo, David O. Olaleye, Georgina N. Odaibo, Jason Blackard
PLOS ONE.2019; 14(11): e0224748. CrossRef
Sequencing analysis of HPV-other type on an HPV DNA chip
Min-Jeong Kim, Jin Ju Kim, Sunmie Kim
Obstetrics & Gynecology Science.2018; 61(2): 235. CrossRef
Molecular epidemiology and genotype distribution of Human Papillomavirus (HPV) among Arab women in the state of Qatar
Devendra Bansal, Asha A Elmi, Sini Skariah, Pascale Haddad, Laith J Abu-Raddad, Aysha H Al Hamadi, Nady Mohamed-Nady, Nahla M Affifi, Randa Ghedira, Elham Hassen, Asma AJ Al-Thani, Afaf AHM Al-Ansari, Ali A Sultan
Journal of Translational Medicine.2014;[Epub] CrossRef
HPV Prevalence and Detection of Rare HPV Genotypes in Hong Kong Women from Southern China with Cytological Abnormalities
Ngai Na Chloe Co, Lai-On Chu, Joseph K. F. Chow, Joseph W. O. Tam, Enders K. O. Ng
ISRN Virology.2013; 2013: 1. CrossRef
Type-specific prevalence of high-risk human papillomavirus by cervical cytology and age: Data from the health check-ups of 7,014 Korean women
Min-Jeong Kim, Jin Ju Kim, Sunmie Kim
Obstetrics & Gynecology Science.2013; 56(2): 110. CrossRef

Clonality Study in Carcinosarcomas and Malignant Mixed Epithelial Tumors.: Eun Jung Park, Yoo Duk Choi, Jong Hee Nam, Min Cheol Lee, Chang Soo Park, Sang Woo Juhng, In Seon Choi, Kyung Hee Kim, Chan Choi; Korean J Pathol. 2002;36(4):205-211.

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Abstract PDF: BACKGROUND
Tumors are usually considered to be clonal progeny of single transformed cells. Carcinosarcomas and malignant mixed epithelial tumors are examples where controversies exist regarding the singularity or multiplicity of their cell of origin.
METHODS
The authors examined the clonality of carcinosarcomas (7 cases) and malignant mixed epithelial tumor (5 cases) in female patients by X-chromosome inactivation as a marker. Each component of the tumors were picked up by the laser capture microscope. The polymorphic exon 1 CAG trinucleotide repeat in the X-linked human androgen receptor (HUMARA) gene was amplified by a polymerase chain reaction before and after treatment of the methylation-sensitive endonuclease HpaII.
RESULTS
Eleven cases were informative for clonality determination. Six out of seven carcinosarcomas and three out of four malignant mixed epithelial tumors revealed the same patterns of X-chromosome inactivation, which suggests that they are monoclonal. In contrast, the patterns of X-chromosome inactivation were different between the two tumor components in each cases of carcinosarcoma and malignant mixed epithelial tumor, indicating that they are of polyclonal origin.
CONCLUSIONS
These observations show that although most of carcinosarcomas and malignant mixed epithelial tumors are of monoclonal origin, some of them are of polyclonal origin. This finding suggests that these tumors are genuinely polyclonal, and that they originated in the neoplastic transformation of more than one somatic cells

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