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Article image
Trouble-makers in cytologic interpretation of the uterine cervix
Eunah Shin, Jaeeun Yu, Soon Won Hong
J Pathol Transl Med. 2023;57(3):139-146.   Published online May 15, 2023
DOI: https://doi.org/10.4132/jptm.2023.04.25
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  • 336 Download
  • 2 Web of Science
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AbstractAbstract PDF
The development and standardization of cytologic screening of the uterine cervix has dramatically decreased the prevalence of squamous cell carcinoma of the uterine cervix. Advances in the understanding of biology of human papillomavirus have contributed to upgrading the histologic diagnosis of the uterine cervix; however, cytologic screening that should triage those that need further management still poses several difficulties in interpretation. Cytologic features of high grade intraepithelial squamous lesion (HSIL) mimics including atrophy, immature metaplasia, and transitional metaplasia, and glandular lesion masquerades including tubal metaplasia and HSIL with glandular involvement are described with accentuation mainly on the differential points. When the cytologic features lie in a gray zone between the differentials, the most important key to the more accurate interpretation is sticking to the very basics of cytology; screening the background and cellular architecture, and then scrutinizing the nuclear and cytoplasmic details.

Citations

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  • Pitfalls in Gynecological Cytology: Review of the Common and Less Frequent Entities in Pap Test
    Danijela Vrdoljak-Mozetič, Snježana Štemberger-Papić, Damjana Verša Ostojić, Roberta Rubeša, Marko Klarić, Senija Eminović
    Acta Cytologica.2024; 68(3): 281.     CrossRef
  • Cytological features of human papillomavirus‐infected immature squamous metaplastic cells from cervical intraepithelial neoplasia grade 2
    Mitsuaki Okodo, Kaori Okayama, Koji Teruya, Ruku Shinohara, Shuichi Mizuno, Rei Settsu, Yasuyoshi Ishii, Masahiko Fujii, Hirokazu Kimura, Mizue Oda
    Journal of Medical Virology.2023;[Epub]     CrossRef
Original Articles
Article image
A retrospective cytohistological correlation of fine-needle aspiration cytology with classification by the Milan System for Reporting Salivary Gland Cytopathology
Ji Hyun Park, Yoon Jin Cha, Ja Yeong Seo, Jae Yol Lim, Soon Won Hong
J Pathol Transl Med. 2020;54(5):419-425.   Published online July 8, 2020
DOI: https://doi.org/10.4132/jptm.2020.06.09
  • 4,778 View
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  • 6 Web of Science
  • 9 Crossref
AbstractAbstract PDF
Background
Before publication of the new classification system named the Milan System for Reporting Salivary Gland Cytopathology (MSRSGC) in 2018, there was no standard classification for salivary gland lesions obtained by fine-needle aspiration (FNA). We therefore aimed to evaluate the diagnostic utility of this system by retrospectively reviewing FNA samples using the MSRSGC and to determine their risk of developing into neoplasms and becoming malignant.
Methods
Retrospective slide review and classification of salivary gland FNAs obtained over a 6-year period (2013–2018) at a single center were performed by two pathologists. The risks of neoplasm and malignancy for each category also were calculated.
Results
This study surveyed 374 FNAs (371 patients) performed over a six-year period and selected 148 cases that included documented surgical follow-up (39.6%). Among the surgically treated cases, the distributions of FNA categories were as follows: non-diagnostic (ND; 16.9%), non-neoplastic (NN; 2.7%), atypia of undetermined significance (AUS; 3.4%), benign (BN; 54.7%), salivary gland neoplasm of uncertain malignant potential (SUMP; 10.1%), suspicious for malignancy (SM; 6.8%), and malignant (M; 5.4%). The risk of malignancy (ROM) was 24.0% for ND, 0% for NN, 40.0% for AUS, 2.5% for BN, 46.7% for SUMP, 100% for SM, and 87.5% for M. The overall diagnostic accuracy was 95.9% (142/148 cases).
Conclusions
The newly proposed MSRSGC appears to be a reliable system for classification of salivary gland lesions according to the associated ROM.

Citations

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  • Salivary gland fine-needle aspiration biopsy: quality assurance results from a tertiary cancer center
    Fanni Ratzon, Dominique L. Feliciano, Nora Katabi, Bin Xu, Oscar Lin, Xiao-Jun Wei
    Journal of the American Society of Cytopathology.2023; 12(3): 206.     CrossRef
  • Cytohistological correlation and risk stratification of salivary gland lesions using the Milan System for Reporting Salivary Gland Cytopathology: A tertiary care centre experience
    Tarun Kumar, Prerna Tewari, Jitendra Singh Nigam, Shreekant Bharti, Surabhi, Ruchi Sinha, Punam Prasad Bhadani
    Cytopathology.2023; 34(3): 225.     CrossRef
  • Assessment of Risk of Malignancy of Fine-needle Aspiration Cytology in Salivary Gland Lesions Using the Milan System for Reporting Salivary Gland Cytopathology Categorization: A Systematic Review and Meta-analysis
    Amit Kumar, Subhash Chandra, Bishnupati Singh, Swati Sharma, Ankita Tandon, Ajoy Kumar Shahi
    The Journal of Contemporary Dental Practice.2023; 23(10): 1039.     CrossRef
  • Milan Sınıflandırma Sistemi’ne Göre Değerlendirilen Tükürük Bezi İnce İğne Aspirasyon Sitolojilerinin Histopatolojik Tanı Uyumu
    Özlem SARAYDAROĞLU, Selin YİRMİBEŞ
    Uludağ Üniversitesi Tıp Fakültesi Dergisi.2023; 49(3): 285.     CrossRef
  • Milan system for reporting salivary gland cytopathology: Adoption and outcomes in a community setting
    Samih J. Nassif, Ali R. Sasani, Garrey T. Faller, Jennifer L. Harb, Jagdish K. Dhingra
    Head & Neck.2022; 44(6): 1462.     CrossRef
  • Nondiagnostic salivary gland FNAs are associated with decreased risk of malignancy compared with “all‐comer” patients: Analysis of the Milan System for Reporting Salivary Gland Cytopathology with a focus on Milan I: Nondiagnostic
    Shu K. Lui, Troy Tenney, Patrick C. Mullane, Kartik Viswanathan, Daniel J. Lubin
    Cancer Cytopathology.2022; 130(10): 800.     CrossRef
  • Application of the Milan System for Reporting Salivary Gland Cytopathology: A systematic review and meta‐analysis
    Zhaoyang Wang, Huan Zhao, Huiqin Guo, Changming An
    Cancer Cytopathology.2022; 130(11): 849.     CrossRef
  • Multiplexed single‐cell analysis of FNA allows accurate diagnosis of salivary gland tumors
    Juhyun Oh, Tae Yeon Yoo, Talia M. Saal, Lisa Tsay, William C. Faquin, Jonathan C.T. Carlson, Daniel G. Deschler, Sara I. Pai, Ralph Weissleder
    Cancer Cytopathology.2022; 130(8): 581.     CrossRef
  • Cytologic analysis of vitreous fluids: A retrospective review of our 24 years of experience
    Gabriel L. Collins, Elizabeth W. Hubbard, Christopher T. Clark, Lisa D. Duncan, Laurentia Nodit
    Diagnostic Cytopathology.2021; 49(10): 1122.     CrossRef
Article image
Current status of cytopathology practices in Korea: annual report on the Continuous Quality Improvement program of the Korean Society for Cytopathology for 2018
Yosep Chong, Haeyoen Jung, Jung-Soo Pyo, Soon Won Hong, Hoon Kyu Oh
J Pathol Transl Med. 2020;54(4):318-331.   Published online April 15, 2020
DOI: https://doi.org/10.4132/jptm.2020.02.26
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  • 5 Web of Science
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AbstractAbstract PDFSupplementary Material
Background
The Korean Society for Cytopathology has conducted the Continuous Quality Improvement program for cytopathology laboratories in Korea since 1995. In 2018 as part of the program, an annual survey of cytologic data was administered to determine the current status of cytopathology practices in Korea. Methods: A questionnaire was administered to 211 cytopathology laboratories. Individual laboratories submitted their annual statistics regarding cytopathology practices, diagnoses of gynecologic samples, inadequacy rates, and gynecologic cytology-histology correlation review (CHCR) data for 2018. In addition, proficiency tests and sample adequacy assessments were conducted using five consequent gynecologic slides. Results: Over 10 million cytologic exams were performed in 2018, and this number has almost tripled since this survey was first conducted in 2004 (compounded annual growth rate of 7.2%). The number of non-gynecologic samples has increased gradually over time and comprised 24% of all exams. The overall unsatisfactory rate was 0.14%. The ratio of the cases with atypical squamous cells to squamous intraepithelial lesions accounted for up to 4.24. The major discrepancy rate of the CHCR in gynecologic samples was 0.52%. In the proficiency test, the major discrepancy rate was approximately 1%. In the sample adequacy assessment, a discrepancy was observed in 0.1% of cases. Conclusions: This study represents the current status of cytopathology practices in Korea, illustrating the importance of the Continuous Quality Improvement program for increasing the accuracy and credibility of cytopathologic exams as well as developing national cancer exam guidelines and government projects on the prevention and treatment of cancer.

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  • Sensitivity, Specificity, and Cost–Benefit Effect Between Primary Human Papillomavirus Testing, Primary Liquid‐Based Cytology, and Co‐Testing Algorithms for Cervical Lesions
    Chang Gok Woo, Seung‐Myoung Son, Hye‐Kyung Hwang, Jung‐Sil Bae, Ok‐Jun Lee, Ho‐Chang Lee
    Diagnostic Cytopathology.2024;[Epub]     CrossRef
  • Diagnostic proficiency test using digital cytopathology and comparative assessment of whole slide images of cytologic samples for quality assurance program in Korea
    Yosep Chong, Soon Auck Hong, Hoon Kyu Oh, Soo Jin Jung, Bo-Sung Kim, Ji Yun Jeong, Ho-Chang Lee, Gyungyub Gong
    Journal of Pathology and Translational Medicine.2023; 57(5): 251.     CrossRef
  • Recent Application of Artificial Intelligence in Non-Gynecological Cancer Cytopathology: A Systematic Review
    Nishant Thakur, Mohammad Rizwan Alam, Jamshid Abdul-Ghafar, Yosep Chong
    Cancers.2022; 14(14): 3529.     CrossRef
  • Re-Increasing Trends in Thyroid Cancer Incidence after a Short Period of Decrease in Korea: Reigniting the Debate on Ultrasound Screening
    Chan Kwon Jung, Ja Seong Bae, Young Joo Park
    Endocrinology and Metabolism.2022; 37(5): 816.     CrossRef
  • Current status of cytopathology practice in Korea: impact of the coronavirus pandemic on cytopathology practice
    Soon Auck Hong, Haeyoen Jung, Sung Sun Kim, Min-Sun Jin, Jung-Soo Pyo, Ji Yun Jeong, Younghee Choi, Gyungyub Gong, Yosep Chong
    Journal of Pathology and Translational Medicine.2022; 56(6): 361.     CrossRef
Article image
A Multi-institutional Study of Prevalence and Clinicopathologic Features of Non-invasive Follicular Thyroid Neoplasm with Papillary-like Nuclear Features (NIFTP) in Korea
Ja Yeong Seo, Ji Hyun Park, Ju Yeon Pyo, Yoon Jin Cha, Chan Kwon Jung, Dong Eun Song, Jeong Ja Kwak, So Yeon Park, Hee Young Na, Jang-Hee Kim, Jae Yeon Seok, Hee Sung Kim, Soon Won Hong
J Pathol Transl Med. 2019;53(6):378-385.   Published online October 21, 2019
DOI: https://doi.org/10.4132/jptm.2019.09.18
  • 6,495 View
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AbstractAbstract PDF
Background
In the present multi-institutional study, the prevalence and clinicopathologic characteristics of non-invasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) were evaluated among Korean patients who underwent thyroidectomy for papillary thyroid carcinoma (PTC).
Methods
Data from 18,819 patients with PTC from eight university hospitals between January 2012 and February 2018 were retrospectively evaluated. Pathology reports of all PTCs and slides of potential NIFTP cases were reviewed. The strict criterion of no papillae was applied for the diagnosis of NIFTP. Due to assumptions regarding misclassification of NIFTP as non-PTC tumors, the lower boundary of NIFTP prevalence among PTCs was estimated. Mutational analysis for BRAF and three RAS isoforms was performed in 27 randomly selected NIFTP cases.
Results
The prevalence of NIFTP was 1.3% (238/18,819) of all PTCs when the same histologic criteria were applied for NIFTP regardless of the tumor size but decreased to 0.8% (152/18,819) when tumors ≥1 cm in size were included. The mean follow-up was 37.7 months and no patient with NIFTP had evidence of lymph node metastasis, distant metastasis, or disease recurrence during the follow-up period. A difference in prevalence of NIFTP before and after NIFTP introduction was not observed. BRAFV600E mutation was not found in NIFTP. The mutation rate for the three RAS genes was 55.6% (15/27).
Conclusions
The low prevalence and indolent clinical outcome of NIFTP in Korea was confirmed using the largest number of cases to date. The introduction of NIFTP may have a small overall impact in Korean practice.

Citations

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  • Case report & review: Bilateral NIFTP harboring concomitant HRAS and KRAS mutation: Report of an unusual case and literature review
    Marianna Rita Brogna, Francesca Collina, Maria Grazia Chiofalo, Debora De Bartolo, Angela Montone, Maria Rosaria Schiano, Michele Del Sesto, Nubia Pizza, Gerardo Ferrara
    Molecular Carcinogenesis.2024;[Epub]     CrossRef
  • Analysis of a pre-2017 follicular variant papillary thyroid carcinoma cohort reclassified as noninvasive follicular thyroid neoplasm with papillary-like features (NIFTP): an 11-year retrospective single institution experience
    Shaham Beg, Sana Irfan Khan, Isabella Cui, Theresa Scognamiglio, Rema Rao
    Journal of the American Society of Cytopathology.2023; 12(2): 112.     CrossRef
  • Noninvasive Follicular Thyroid Neoplasm With Papillary-Like Nuclear Features: What a Surgeon Should Know
    Jabir Alharbi, Thamer Alraddadi, Haneen Sebeih, Mohammad A Alessa, Haddad H Alkaf, Ahmed Bahaj, Sherif K Abdelmonim
    Cureus.2023;[Epub]     CrossRef
  • NTRK Fusion in a Cohort of BRAF p. V600E Wild-Type Papillary Thyroid Carcinomas
    Seung Eun Lee, Mi-Sook Lee, Heejin Bang, Mi Young Kim, Yoon-La Choi, Young Lyun Oh
    Modern Pathology.2023; 36(8): 100180.     CrossRef
  • A Comprehensive Study on the Diagnosis and Management of Noninvasive Follicular Thyroid Neoplasm with Papillary-Like Nuclear Features
    Bayan A. Alzumaili, Lauren N. Krumeich, Reagan Collins, Timothy Kravchenko, Emad I. Ababneh, Adam S. Fisch, William C. Faquin, Vania Nosé, Maria Martinez-Lage, Gregory W. Randolph, Rajshri M. Gartland, Carrie C. Lubitz, Peter M. Sadow
    Thyroid.2023; 33(5): 566.     CrossRef
  • Clinical-Pathological and Molecular Evaluation of 451 NIFTP Patients from a Single Referral Center
    Paola Vignali, Agnese Proietti, Elisabetta Macerola, Anello Marcello Poma, Liborio Torregrossa, Clara Ugolini, Alessio Basolo, Antonio Matrone, Teresa Rago, Ferruccio Santini, Rossella Elisei, Gabriele Materazzi, Fulvio Basolo
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    Hee Young Na, So Yeon Park
    Journal of Pathology and Translational Medicine.2022; 56(6): 319.     CrossRef
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    Sophie Leboulleux, Livia Lamartina, Emmanuelle Lecornet Sokol, Fabrice Menegaux, Laurence Leenhardt, Gilles Russ
    Annales d'Endocrinologie.2022; 83(6): 407.     CrossRef
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    Kennichi Kakudo
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    Eunju Jang, Kwangsoon Kim, Chan Kwon Jung, Ja Seong Bae, Jeong Soo Kim
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The Usefulness of Immunocytochemistry of CD56 in Determining Malignancy from Indeterminate Thyroid Fine-Needle Aspiration Cytology
Hyunseo Cha, Ju Yeon Pyo, Soon Won Hong
J Pathol Transl Med. 2018;52(6):404-410.   Published online October 15, 2018
DOI: https://doi.org/10.4132/jptm.2018.09.20
  • 7,244 View
  • 161 Download
  • 5 Web of Science
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AbstractAbstract PDF
Background
Fine-needle aspiration cytology serves as a safe, economical tool in evaluating thyroid nodules. However, about 30% of the samples are categorized as indeterminate. Hence, many immunocytochemistry markers have been studied, but there has not been a single outstanding marker. We studied the efficacy of CD56 with human bone marrow endothelial cell marker-1 (HBME-1) in diagnosis in the Bethesda System for Reporting Thyroid Cytopathology (TBSRTC) category III.
Methods
We reviewed ThinPrep liquid-based cytology (LBC) samples with Papanicolaou stain from July 1 to December 31, 2016 (2,195 cases) and selected TBSRTC category III cases (n = 363). Twenty-six cases were histologically confirmed as benign (six cases, 23%) or malignant (20 cases, 77%); we stained 26 LBC slides with HBME-1 and CD56 through the cell transfer method. For evaluation of reactivity of immunocytochemistry, we chose atypical follicular cell clusters.
Results
CD56 was not reactive in 18 of 20 cases (90%) of malignant nodules and showed cytoplasmic positivity in five of six cases (83%) of benign nodules. CD56 showed high sensitivity (90.0%) and relatively low specificity (83.3%) in detecting malignancy (p = .004). HBME-1 was reactive in 17 of 20 cases (85%) of malignant nodules and was not reactive in five of six cases (83%) of benign nodules. HBME-1 showed slightly lower sensitivity (85.0%) than CD56. The specificity in detecting malignancy by HBME-1 was similar to that of CD56 (83.3%, p = .008). CD56 and HBME-1 tests combined showed lower sensitivity (75.0% vs 90%) and higher specificity (93.8% vs 83.3%) in detecting malignancy compared to using CD56 alone.
Conclusions
Using CD56 alone showed relatively low specificity despite high sensitivity for detecting malignancy. Combining CD56 with HBME-1 could increase the specificity. Thus, we suggest that CD56 could be a useful preoperative marker for differential diagnosis of TBSRTC category III samples.

Citations

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  • Preoperative evaluation of thyroid nodules – Diagnosis and management strategies
    Tapoi Dana Antonia, Lambrescu Ioana Maria, Gheorghisan-Galateanu Ancuta-Augustina
    Pathology - Research and Practice.2023; 246: 154516.     CrossRef
  • Immunocytochemistry in thyroid cytology and its multiple roles: a systematic review
    Federica Policardo, Pietro Tralongo, Angela Feraco, Federica Vegni, Angela Carlino, Alfredo Pontecorvi, Celestino Pio Lombardi, Marco Raffaelli, Francesco Pierconti, Luigi Maria Larocca, Esther Diana Rossi
    Diagnostic Histopathology.2023; 29(8): 386.     CrossRef
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    Isabella Piga, Vincenzo L’Imperio, Giulia Capitoli, Vanna Denti, Andrew Smith, Fulvio Magni, Fabio Pagni
    Expert Review of Proteomics.2023; 20(12): 419.     CrossRef
  • 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
Preoperative Cytologic Diagnosis of Warthin-like Variant of Papillary Thyroid Carcinoma
Jisup Kim, Beom Jin Lim, Soon Won Hong, Ju Yeon Pyo
J Pathol Transl Med. 2018;52(2):105-109.   Published online February 12, 2018
DOI: https://doi.org/10.4132/jptm.2017.12.26
  • 7,256 View
  • 150 Download
  • 6 Web of Science
  • 5 Crossref
AbstractAbstract PDF
Background
Warthin-like variant of papillary thyroid carcinoma (WLV-PTC) is a relatively rare variant of papillary thyroid carcinoma with favorable prognosis. However, preoperative diagnosis using fine-needle aspiration (FNA) specimens is challenging especially with lymphocytic thyroiditis characterized by Hürthle cells and lymphocytic background. To determine a helpful cytological differential point, we compared WLV-PTC FNA findings with conventional papillary thyroid carcinoma with lymphocytic thyroiditis (PTC-LT) and conventional papillary thyroid carcinoma without lymphocytic thyroiditis (PTC) regarding infiltrating inflammatory cells and their distribution. Preoperative diagnosis or potential for WLV-PTC will be helpful for surgeons to decide the scope of operation.
Methods
Of the 8,179 patients treated for papillary thyroid carcinoma between January 2007 and December 2012, 16 patients (0.2%) were pathologically confirmed as WLV-PTC and four cases were available for cytologic review. For comparison, we randomly selected six PTC-LT cases and five PTC cases during the same period. The number of intratumoral and background lymphocytes, histiocytes, neutrophils, and the presence of giant cells were evaluated and compared using conventional smear and ThinPrep preparations.
Results
WLV-PTC showed extensive lymphocytic smear with incorporation of thyroid follicular tumor cell clusters and frequent histiocytes. WLV-PTC was associated with higher intratumoral and background lymphocytes and histiocytes compared with PTC-LT or PTC. The difference was more distinct in liquid-based cytology.
Conclusions
The lymphocytic smear pattern and the number of inflammatory cells of WLV-PTC are different from those of PTC-LT or PTC and will be helpful for the differential diagnosis of WLV-PTC in preoperative FNA.

Citations

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  • Warthin-like variant of papillary thyroid carcinoma with lymph node metastases: a case report and review of the literature
    Andrii Hryshchyshyn, Andrii Bahrii, Pavlina Botsun, Volodymyr Chuba
    Journal of Medical Case Reports.2024;[Epub]     CrossRef
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    Frontiers in Endocrinology.2023;[Epub]     CrossRef
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    Oncologie.2023; 25(5): 581.     CrossRef
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    Eleni Thodou, Sule Canberk, Fernando Schmitt
    Frontiers in Endocrinology.2021;[Epub]     CrossRef
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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
  • 9,173 View
  • 221 Download
  • 21 Web of Science
  • 21 Crossref
AbstractAbstract PDF
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.

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  • Improved Diagnostic Accuracy of Thyroid Fine-Needle Aspiration Cytology with Artificial Intelligence Technology
    Yujin Lee, Mohammad Rizwan Alam, Hongsik Park, Kwangil Yim, Kyung Jin Seo, Gisu Hwang, Dahyeon Kim, Yeonsoo Chung, Gyungyub Gong, Nam Hoon Cho, Chong Woo Yoo, Yosep Chong, Hyun Joo Choi
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    Uiju Cho, Yourha Kim, Sora Jeon, Chan Kwon Jung
    Applied Immunohistochemistry & Molecular Morphology.2022; 30(5): 389.     CrossRef
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    M Grussendorf, I Ruschenburg, G Brabant
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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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Do Helper T Cell Subtypes in Lymphocytic Thyroiditis Play a Role in the Antitumor Effect?
Seok Woo Yang, Seong-Ho Kang, Kyung Rae Kim, In Hong Choi, Hang Seok Chang, Young Lyun Oh, Soon Won Hong
J Pathol Transl Med. 2016;50(5):377-384.   Published online September 15, 2016
DOI: https://doi.org/10.4132/jptm.2016.07.25
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AbstractAbstract PDF
Background
Papillary thyroid carcinoma (PTC) is frequently accompanied by lymphocytic thyroiditis (LT). Some reports claim that Hashimoto’s thyroiditis (the clinical form of LT) enhances the likelihood of PTC; however, others suggest that LT has antitumor activity. This study was aimed to find out the relationship between the patterns of helper T cell (Th) cytokines in thyroid tissue of PTC with or without LT and the clinicopathological manifestation of PTC.
Methods
Fresh surgical samples of PTC with (13 cases) or without (10 cases) LT were used. The prognostic parameters (tumor size, extra-thyroidal extension of PTC, and lymph node metastasis) were analyzed. The mRNA levels of two subtypes of Th cytokines, Th1 (tumor necrosis factor α [TNF-α], interferon γ [IFN-γ ], and interleukin [IL] 2) and Th2 (IL-4 and IL-10), were analyzed. Because most PTC cases were microcarcinomas and recent cases without clinical follow-up, negative or faint p27 immunoreactivity was used as a surrogate marker for lymph node metastasis.
Results
PTC with LT cases showed significantly higher expression of TNF-α (p = .043), IFN-γ (p < .010), IL-4 (p = .015) than those without LT cases. Although the data were not statistically significant, all analyzed cytokines (except for IL-4) were highly expressed in the cases with higher expression of p27 surrogate marker.
Conclusions
These results indicate that mixed Th1 (TNF-α, IFN-γ , and IL-2) and Th2 (IL-10) immunity might play a role in the antitumor effect in terms of lymph node metastasis.

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Aberrant Blood Vessel Formation Connecting the Glomerular Capillary Tuft and the Interstitium Is a Characteristic Feature of Focal Segmental Glomerulosclerosis-like IgA Nephropathy
Beom Jin Lim, Min Ju Kim, Soon Won Hong, Hyeon Joo Jeong
J Pathol Transl Med. 2016;50(3):211-216.   Published online April 11, 2016
DOI: https://doi.org/10.4132/jptm.2016.02.01
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AbstractAbstract PDF
Background
Segmental glomerulosclerosis without significant mesangial or endocapillary proliferation is rarely seen in IgA nephropathy (IgAN), which simulates idiopathic focal segmental glomerulosclerosis (FSGS). We recently recognized aberrant blood vessels running through the adhesion sites of sclerosed tufts and Bowman’s capsule in IgAN cases with mild glomerular histologic change.
Methods
To characterize aberrant blood vessels in relation to segmental sclerosis, we retrospectively reviewed the clinical and histologic features of 51 cases of FSGS-like IgAN and compared them with 51 age and gender-matched idiopathic FSGS cases.
Results
In FSGS-like IgAN, aberrant blood vessel formation was observed in 15.7% of cases, 1.0% of the total glomeruli, and 7.3% of the segmentally sclerosed glomeruli, significantly more frequently than in the idiopathic FSGS cases (p = .009). Aberrant blood vessels occasionally accompanied mild cellular proliferation surrounding penetrating neovessels. Clinically, all FSGS-like IgAN cases had hematuria; however, nephrotic range proteinuria was significantly less frequent than idiopathic FSGS.
Conclusions
Aberrant blood vessels in IgAN are related to glomerular capillary injury and may indicate abnormal repair processes in IgAN.

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  • IgA nephropathy
    Maria F. Soares, Ian S.D. Roberts
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Proposal of an Appropriate Decalcification Method of Bone Marrow Biopsy Specimens in the Era of Expanding Genetic Molecular Study
Sung-Eun Choi, Soon Won Hong, Sun Och Yoon
J Pathol Transl Med. 2015;49(3):236-242.   Published online May 15, 2015
DOI: https://doi.org/10.4132/jptm.2015.03.16
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AbstractAbstract PDF
Background
The conventional method for decalcification of bone specimens uses hydrochloric acid (HCl) and is notorious for damaging cellular RNA, DNA, and proteins, thus complicating molecular and immunohistochemical analyses. A method that can effectively decalcify while preserving genetic material is necessary. Methods: Pairs of bilateral bone marrow biopsies sampled from 53 patients were decalcified according to protocols of two comparison groups: EDTA versus HCl and RDO GOLD (RDO) versus HCl. Pairs of right and left bone marrow biopsy samples harvested from 28 cases were allocated into the EDTA versus HCl comparison group, and 25 cases to the RDO versus HCl comparison group. The decalcification protocols were compared with regards to histomorphology, immunohistochemistry, and molecular analysis. For molecular analysis, we randomly selected 5 cases from the EDTA versus HCl and RDO versus HCl groups. Results: The decalcification time for appropriate histomorphologic analysis was the longest in the EDTA method and the shortest in the RDO method. EDTA was superior to RDO or HCl in DNA yield and integrity, assessed via DNA extraction, polymerase chain reaction, and silver in situ hybridization using DNA probes. The EDTA method maintained intact nuclear protein staining on immunohistochemistry, while the HCl method produced poor quality images. Staining after the RDO method had equivocal results. RNA in situ hybridization using kappa and lambda RNA probes measured RNA integrity; the EDTA and RDO method had the best quality, followed by HCl. Conclusions: The EDTA protocol would be the best in preserving genetic material. RDO may be an acceptable alternative when rapid decalcification is necessary.

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    Vanessa Moreno, Christopher A. French, Tianhua Guo, Hui Zhu, Songling Zhang, Darryl Duncan, Ron J. Karni, Angel I. Blanco, Syed H. Jafri, Karan Saluja
    Head and Neck Pathology.2021; 16(3): 881.     CrossRef
  • Prevalence of NUT carcinoma in head and neck: Analysis of 362 cases with literature review
    Taebum Lee, Junhun Cho, Chung‐Hwan Baek, Young‐Ik Son, Han‐Sin Jeong, Man Ki Chung, Sang Duk Hong, Yong Chan Ahn, Dong Ryul Oh, Jae Myoung Noh, Keunchil Park, Myung‐Ju Ahn, Hyung‐Jin Kim, Yi Kyung Kim, Young Hyeh Ko
    Head & Neck.2020; 42(5): 924.     CrossRef
  • HDAC Overexpression in a NUT Midline Carcinoma of the Parotid Gland with Exceptional Survival: A Case Report
    Gonçalo Esteves, Joana Ferreira, Rita Afonso, Carmo Martins, Carlos Zagalo, Ana Félix
    Head and Neck Pathology.2020; 14(4): 1117.     CrossRef
  • Lung nuclear protein in testis carcinoma in an elderly Korean woman: A case report with cytohistological analysis
    Hwa Jin Cho, Hyun‐Kyung Lee
    Thoracic Cancer.2020; 11(6): 1724.     CrossRef
  • Clinicopathological and Preclinical Findings of NUT Carcinoma: A Multicenter Study
    Minsun Jung, Soyeon Kim, June-Koo Lee, Sun Och Yoon, Heae Surng Park, Soon Won Hong, Weon-Seo Park, Ji Eun Kim, Joon Kim, Bhumsuk Keam, Hyun Jik Kim, Hyoung Jin Kang, Dong-Wan Kim, Kyeong Cheon Jung, Young Tae Kim, Dae Seog Heo, Tae Min Kim, Yoon Kyung Je
    The Oncologist.2019; 24(8): e740.     CrossRef
  • NUT Carcinoma of the Salivary Glands
    Abbas Agaimy, Isabel Fonseca, Carmo Martins, Khin Thway, Ryan Barrette, Kevin J. Harrington, Arndt Hartmann, Christopher A. French, Cyril Fisher
    American Journal of Surgical Pathology.2018; 42(7): 877.     CrossRef
  • Abrupt Dyskeratotic and Squamoid Cells in Poorly Differentiated Carcinoma: Case Study of Two Thoracic NUT Midline Carcinomas with Cytohistologic Correlation
    Taebum Lee, Sangjoon Choi, Joungho Han, Yoon-La Choi, Kyungjong Lee
    Journal of Pathology and Translational Medicine.2018; 52(5): 349.     CrossRef
  • A Case of Nuclear Protein in Testis Midline Carcinoma Arising From the Submandibular Gland Duct in a Pregnant Patient
    Younghoon Cho, Bhum Suk Keam, Kyeong Cheon Jung, Bo Hae Kim
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  • Pediatric NUT-midline carcinoma: Therapeutic success employing a sarcoma based multimodal approach
    Simone Storck, Alyssa L. Kennedy, Karen J. Marcus, Lisa Teot, Jennifer Vaughn, Astrid K. Gnekow, Bruno Märkl, Ivo Leuschner, Steven G. DuBois, Christopher A. French, Michael C. Frühwald
    Pediatric Hematology and Oncology.2017; 34(4): 231.     CrossRef
  • Two Cases of Nuclear Protein in Testis Midline Carcinomas of Sinonasal Tract
    Minhyung Lee, Yong Seok Kang, Tae-Bin Won, Hyun Jik Kim
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  • Cytological features of NUT midline carcinoma arising in sino‐nasal tract and parotid gland: Report of two new cases and review of the literature
    Jerzy Klijanienko, Christophe Le Tourneau, José Rodriguez, Martial Caly, Stamatios Theocharis
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  • Cytological Features of a Variant NUT Midline Carcinoma of the Lung Harboring theNSD3-NUTFusion Gene: A Case Report and Literature Review
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Original Article
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; 28(5): 189.     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
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    Kyeong Min Kwak, Domyung Paek, Seung-sik Hwang, Young-Su Ju, Mark Allen Pershouse
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  • 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
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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 Report
Cytologic Features of Giant Cell Ependymoma: A Case Report and Review of the Literature
Myoung Ju Koh, Sun Och Yoon, Hyae Min Jeon, Hyeon Joo Jeong, Soon Won Hong, Se Hoon Kim
Korean J Pathol. 2012;46(5):507-513.   Published online October 25, 2012
DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.5.507
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AbstractAbstract PDF

Here, we present a case of anaplastic giant cell ependymoma (GCE) occurring in a 15-year-old woman. Squash smear slides for intraoperative frozen section diagnosis revealed oval to round cell clusters with a papillary structure in a fibrillary background. This was occasionally accompanied by the presence of bizarre pleomorphic giant cells with hyperchromatic nuclei and prominent intranuclear inclusions. These intranuclear inclusions were a key clue to diagnosis of ependymoma. Histologic analysis revealed features of a high-grade tumor with perivascular pseudorosettes and bizarre pleomorphic giant cells, which established the diagnosis of GCE. We performed a review of literatures about the cytologic features of GCE, including our case, thus proposing that intraoperative frozen diagnosis of GCE would be established by squash smear preparations featuring the mitosis and necrosis, as well as the high cellularity, and the presence of giant cells showing hyperchromatic nuclei with eosinophilic cytoplasm and intranuclear inclusions/pseudoinclusions.

Citations

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  • A case of myxopapillary ependymoma with predominant giant cell morphology: A rare entity with comprehensive genomic profiling and review of literature
    Bryan Morales‐Vargas, Hassan Saad, Daniel Refai, Matthew Schniederjan, Zied Abdullaev, Kenneth Aldape, Malak Abedalthagafi
    Neuropathology.2024;[Epub]     CrossRef
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    Mónica B. Mezmezian, Victor Del Caño, Liliana G. Olvi
    Neuropathology.2019; 39(4): 313.     CrossRef
  • Giant Cell Ependymoma of Cervicomedullary Junction: A Case Report of a Long-Term Survivor and Literature Review
    Martina Cappelletti, Andrea G. Ruggeri, Giorgia Iacopino, Roberto Delfini
    World Neurosurgery.2018; 116: 121.     CrossRef
  • Immunohistochemical features of giant cell ependymoma of the filum terminale with unusual clinical and radiological presentation
    Fernando Candanedo-Gonzalez, Cindy Sharon Ortiz-Arce, Samuel Rosales-Perez, Ana Lilia Remirez-Castellanos, Candelaria Cordova-Uscanga, Armando Gamboa-Dominguez
    Diagnostic Pathology.2017;[Epub]     CrossRef
  • Giant Cell Ependymoma of Lateral Ventricle: Case Report, Literature Review, and Analysis of Prognostic Factors and Genetic Profile
    Hirokazu Takami, Christopher S. Graffeo, Avital Perry, Aditya Raghunathan, Robert B. Jenkins, Caterina Giannini, Terry C. Burns
    World Neurosurgery.2017; 108: 997.e9.     CrossRef
Original Article
Comparison of Conventional Smear, Cell Block and Liquid-based Preparation in the Evaluation of Bronchial Washing Specimen in Lung Cancer Patients.
Hyunee Yim, Hee Jae Joo, Young Bae Kim, Soon Won Hong
Korean J Pathol. 2011;45(3):296-302.
DOI: https://doi.org/10.4132/KoreanJPathol.2011.45.3.296
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AbstractAbstract PDF
BACKGROUND
The preparation of conventional smears (CS) from mucoid samples, despite mucolysis, can pose difficulties for cytotechnologists or cytopathologists. In recent years, liquid-based cytology (LBC) devices have been developed in attempts to improve the cytopreparation process. LBC improves both sample collection and sample preparation. Cell block preparations (CB) can be made from residual tissue fluids, and are a useful adjunct to smears.
METHODS
We retrospectively reviewed 3 preparations from 209 patients whose diagnosis was later confirmed via bronchoscopic biopsy, fine needle aspiration, gun biopsy or operation. Each case was categorized into one of three groups: "negative," "atypical or suspicious" and "malignant." RESULTS: When conflating the "atypical" and "malignant" categories into a "positive" category, the sensitivity of each preparation was 74.4% in LBC, 72.9% in CS, and 76.5% in CB preparations. Specificity was 98.7%, 94.7% and 98.7%, respectively. By combining LBC and CB, the sensitivity is 78.2%.
CONCLUSIONS
Among three different preparation methods, sensitivity is highest in the CB method. LBC has many advantages in evaluating cell morphology and by combining CB method, the sensitivity can be improved slightly. The application of all three methods may prove helpful when one or another method proves diagnostically inconclusive.

Citations

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  • Comparison of diagnostic accuracy between CellprepPlus® and ThinPrep® liquid‐based preparations in effusion cytology
    Yong‐Moon Lee, Ji‐Yong Hwang, Seung‐Myoung Son, Song‐Yi Choi, Ho‐Chang Lee, Eun‐Joong Kim, Hye‐Suk Han, Jin young An, Joung‐Ho Han, Ok‐Jun Lee
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  • Evaluation of Urine Cytology in Urothelial Carcinoma Patients: A Comparison of CellprepPlus® Liquid-Based Cytology and Conventional Smear
    Seung-Myoung Son, Ji Hae Koo, Song-Yi Choi, Ho-Chang Lee, Yong-Moon Lee, Hyung Geun Song, Hae-Kyung Hwang, Hye-Suk Han, Seok-Joong Yun, Wun-Jae Kim, Eun-Joong Kim, Ok-Jun Lee
    Korean Journal of Pathology.2012; 46(1): 68.     CrossRef

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