Journal of Pathology and Translational Medicine

Volume 54(1); January 2020

Reviews

Standardized Pathology Report for Colorectal Cancer, 2nd Edition: Baek-hui Kim, Joon Mee Kim, Gyeong Hoon Kang, Hee Jin Chang, Dong Wook Kang, Jung Ho Kim, Jeong Mo Bae, An Na Seo, Ho Sung Park, Yun Kyung Kang, Kyung-Hwa Lee, Mee Yon Cho, In-Gu Do, Hye Seung Lee, Hee Kyung Chang, Do Youn Park, Hyo Jeong Kang, Jin Hee Sohn, Mee Soo Chang, Eun Sun Jung, So-Young Jin, Eunsil Yu, Hye Seung Han, Youn Wha Kim; J Pathol Transl Med. 2020;54(1):1-19. Published online November 13, 2019; DOI: https://doi.org/10.4132/jptm.2019.09.28

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The first edition of the ‘Standardized Pathology Report for Colorectal Cancer,’ which was developed by the Gastrointestinal Pathology Study Group (GIP) of the Korean Society of Pathologists, was published 13 years ago. Meanwhile, there have been many changes in the pathologic diagnosis of colorectal cancer (CRC), pathologic findings included in the pathology report, and immunohistochemical and molecular pathology required for the diagnosis and treatment of colorectal cancer. In order to reflect these changes, we (GIP) decided to make the second edition of the report. The purpose of this standardized pathology report is to provide a practical protocol for Korean pathologists, which could help diagnose and treat CRC patients. This report consists of “standard data elements” and “conditional data elements.” Basic pathologic findings and parts necessary for prognostication of CRC patients are classified as “standard data elements,” while other prognostic factors and factors related to adjuvant therapy are classified as “conditional data elements” so that each institution could select the contents according to the characteristics of the institution. The Korean version is also provided separately so that Korean pathologists can easily understand and use this report. We hope that this report will be helpful in the daily practice of CRC diagnosis.

Citations

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Pathologic Implications of Magnetic Resonance Imaging-detected Extramural Venous Invasion of Rectal Cancer
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A Standardized Pathology Report for Gastric Cancer: 2nd Edition
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Clinical Implication of Perineural and Lymphovascular Invasion in Rectal Cancer Patients Who Underwent Surgery After Preoperative Chemoradiotherapy
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Molecular Pathology of Gastric Cancer
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Improvement in the Assessment of Response to Preoperative Chemoradiotherapy for Rectal Cancer Using Magnetic Resonance Imaging and a Multigene Biomarker
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Addition of V-Stage to Conventional TNM Staging to Create the TNVM Staging System for Accurate Prediction of Prognosis in Colon Cancer: A Multi-Institutional Retrospective Cohort Study
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Gene Expression Profiles Associated with Radio-Responsiveness in Locally Advanced Rectal Cancer
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Tumor immune response and immunotherapy in gastric cancer: Yoonjin Kwak, An Na Seo, Hee Eun Lee, Hye Seung Lee; J Pathol Transl Med. 2020;54(1):20-33. Published online November 1, 2019; DOI: https://doi.org/10.4132/jptm.2019.10.08

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Abstract PDF

Remarkable developments in immuno-oncology have changed the landscape of gastric cancer (GC) treatment. Because immunotherapy intervenes with tumor immune response rather than directly targeting tumor cells, it is important to develop a greater understanding of tumor immunity. This review paper summarizes the tumor immune reaction and immune escape mechanisms while focusing on the role of T cells and their co-inhibitory signals, such as the immune checkpoint molecules programmed death-1 and programmed deathligand 1 (PD-L1). This paper also describes past clinical trials of immunotherapy for patients with GC and details their clinical implications. Strong predictive markers are essential to improve response to immunotherapy. Microsatellite instability, Epstein-Barr virus, PD-L1 expression, and tumor mutational burden are now regarded as potent predictive markers for immunotherapy in patients with GC. Novel immunotherapy and combination therapy targeting new immune checkpoint molecules such as lymphocyte-activation gene 3, T cell immunoglobulin, and mucin domain containing-3, and indoleamine 2,3-dioxygenase have been suggested, and trials are ongoing to evaluate their safety and efficacy. Immunotherapy is an important treatment option for patients with GC and has great potential for improving patient outcome, and further research in immuno-oncology should be carried out.

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HER2 status in breast cancer: changes in guidelines and complicating factors for interpretation: Soomin Ahn, Ji Won Woo, Kyoungyul Lee, So Yeon Park; J Pathol Transl Med. 2020;54(1):34-44. Published online November 6, 2019; DOI: https://doi.org/10.4132/jptm.2019.11.03

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Abstract PDF

Human epidermal growth factor receptor 2 (HER2) protein overexpression and/or HER2 gene amplification is found in about 20% of invasive breast cancers. It is a sole predictive marker for treatment benefits from HER2 targeted therapy and thus, HER2 testing is a routine practice for newly diagnosed breast cancer in pathology. Currently, HER2 immunohistochemistry (IHC) is used for a screening test, and in situ hybridization is used as a confirmation test for HER2 IHC equivocal cases. Since the American Society of Clinical Oncology (ASCO)/College of American Pathologists (CAP) guidelines on HER2 testing was first released in 2007, it has been updated to provide clear instructions for HER2 testing and accurate determination of HER2 status in breast cancer. During HER2 interpretation, some pitfalls such as intratumoral HER2 heterogeneity and increase in chromosome enumeration probe 17 signals may lead to inaccurate assessment of HER2 status. Moreover, HER2 status can be altered after neoadjuvant chemotherapy or during metastatic progression, due to biologic or methodologic issues. This review addresses recent updates of ASCO/CAP guidelines and factors complicating in the interpretation of HER2 status in breast cancers.

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Molecular characteristics of meningiomas: Young Suk Lee, Youn Soo Lee; J Pathol Transl Med. 2020;54(1):45-63. Published online January 15, 2020; DOI: https://doi.org/10.4132/jptm.2019.11.05

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Abstract PDF

Meningioma is the most common primary intracranial tumor in adults. The grading of meningioma is based on World Health Organization criteria, which rely on histopathological features alone. This grading system is unable to conclusively predict the clinical behavior of these tumors (i.e., recurrence or prognosis in benign or atypical grades). Advances in molecular techniques over the last decade that include genomic and epigenomic data associated with meningiomas have been used to identify genetic biomarkers that can predict tumor behavior. This review summarizes the molecular characteristics of meningioma using genetic and epigenetic biomarkers. Molecular alterations that can predict meningioma behavior may be integrated into the upcoming World Health Organization grading system.

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2019 Practice guidelines for thyroid core needle biopsy: a report of the Clinical Practice Guidelines Development Committee of the Korean Thyroid Association: Chan Kwon Jung, Jung Hwan Baek, Dong Gyu Na, Young Lyun Oh, Ka Hee Yi, Ho-Cheol Kang; J Pathol Transl Med. 2020;54(1):64-86. Published online January 15, 2020; DOI: https://doi.org/10.4132/jptm.2019.12.04

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Abstract PDF

Ultrasound-guided core needle biopsy (CNB) has been increasingly used for the pre-operative diagnosis of thyroid nodules. Since the Korean Society of the Thyroid Radiology published the ‘Consensus Statement and Recommendations for Thyroid CNB’ in 2017 and the Korean Endocrine Pathology Thyroid CNB Study Group published ‘Pathology Reporting of Thyroid Core Needle Biopsy’ in 2015, advances have occurred rapidly not only in the management guidelines for thyroid nodules but also in the diagnostic terminology and classification schemes. The Clinical Practice Guidelines Development Committee of the Korean Thyroid Association (KTA) reviewed publications on thyroid CNB from 1995 to September 2019 and updated the recommendations and statements for the diagnosis and management of thyroid nodules using CNB. Recommendations for the resolution of clinical controversies regarding the use of CNB were based on expert opinion. These practical guidelines include recommendations and statements regarding indications for CNB, patient preparation, CNB technique, biopsy-related complications, biopsy specimen preparation and processing, and pathology interpretation and reporting of thyroid CNB.

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Original Articles

Analysis of the molecular subtypes of preoperative core needle biopsy and surgical specimens in invasive breast cancer: Ye Sul Jeong, Jun Kang, Jieun Lee, Tae-Kyung Yoo, Sung Hun Kim, Ahwon Lee; J Pathol Transl Med. 2020;54(1):87-94. Published online November 13, 2019; DOI: https://doi.org/10.4132/jptm.2019.10.14

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Background
Accurate molecular classification of breast core needle biopsy (CNB) tissue is important for determining neoadjuvant systemic therapies for invasive breast cancer. The researchers aimed to evaluate the concordance rate (CR) of molecular subtypes between CNBs and surgical specimens.
Methods
This study was conducted with invasive breast cancer patients who underwent surgery after CNB at Seoul St. Mary’s Hospital between December 2014 and December 2017. Estrogen receptor (ER), progesterone receptor (PR), human epidermal growth factor receptor 2 (HER2), and Ki67 were analyzed using immunohistochemistry. ER and PR were evaluated by Allred score (0–8). HER2 was graded from 0 to +3, and all 2+ cases were reflex tested with silver in situ hybridization. The labeling index of Ki67 was counted by either manual scoring or digital image analysis. Molecular subtypes were classified using the above surrogate markers.
Results
In total, 629 patients were evaluated. The CRs of ER, PR, HER2, and Ki67 were 96.5% (kappa, 0.883; p<.001), 93.0% (kappa, 0.824; p<.001), 99.7% (kappa, 0.988; p<.001), and 78.7% (kappa, 0.577; p<.001), respectively. Digital image analysis of Ki67 in CNB showed better concordance with Ki67 in surgical specimens (CR, 82.3%; kappa, 0.639 for digital image analysis vs. CR, 76.2%; kappa, 0.534 for manual counting). The CRs of luminal A, luminal B, HER2, and triple negative types were 89.0%, 70.0%, 82.9%, and 77.2%, respectively.
Conclusions
CNB was reasonably accurate for determining ER, PR, HER2, Ki67, and molecular subtypes. Using digital image analysis for Ki67 in CNB produced more accurate molecular classifications.

Citations

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Concordance of immunohistochemistry for predictive and prognostic factors in breast cancer between biopsy and surgical excision: a single-centre experience and review of the literature
Chiara Rossi, Sara Fraticelli, Marianna Fanizza, Alberta Ferrari, Elisa Ferraris, Alessia Messina, Angelica Della Valle, Chiara Annunziata Pasqualina Anghelone, Angioletta Lasagna, Gianpiero Rizzo, Lorenzo Perrone, Maria Grazia Sommaruga, Giulia Meloni, S
Breast Cancer Research and Treatment.2023; 198(3): 573. CrossRef
Concordance between core needle biopsy and surgical excision specimens for Ki‐67 in breast cancer – a systematic review of the literature
Jahnavi Kalvala, Ruth M Parks, Andrew R Green, Kwok‐Leung Cheung
Histopathology.2022; 80(3): 468. CrossRef
İnvaziv Meme Kanserinde Preoperatif Kor İğne Biyopsi ile Postoperatif Cerrahi Spesmenler Arasında ER, PR, HER2 ve Ki67 Açısından Karşılaştırma
Pınar CELEPLİ, Pelin Seher ÖZTEKİN, Salih CELEPLİ, İrem BİGAT, Sema HÜCÜMENOĞLU
Akdeniz Medical Journal.2022; : 179. CrossRef
Concordance of breast cancer biomarker testing in core needle biopsy and surgical specimens: A single institution experience
Jessica A. Slostad, Nicole K. Yun, Aimee E. Schad, Surbhi Warrior, Louis F. Fogg, Ruta Rao
Cancer Medicine.2022; 11(24): 4954. CrossRef
N-Cadherin Distinguishes Intrahepatic Cholangiocarcinoma from Liver Metastases of Ductal Adenocarcinoma of the Pancreas
Tiemo S. Gerber, Benjamin Goeppert, Anne Hausen, Hagen R. Witzel, Fabian Bartsch, Mario Schindeldecker, Lisa-Katharina Gröger, Dirk A. Ridder, Oscar Cahyadi, Irene Esposito, Matthias M. Gaida, Peter Schirmacher, Peter R. Galle, Hauke Lang, Wilfried Roth,
Cancers.2022; 14(13): 3091. CrossRef
Association of Ki-67 Change Pattern After Core Needle Biopsy and Prognosis in HR+/HER2− Early Breast Cancer Patients
Shuai Li, Xiaosong Chen, Kunwei Shen
Frontiers in Surgery.2022;[Epub] CrossRef
MRI Features for Prediction Malignant Intra-Mammary Lymph Nodes: Correlations with Mammography and Ultrasound
Meejung Kim, Bong Joo Kang, Ga Eun Park
Investigative Magnetic Resonance Imaging.2022; 26(2): 135. CrossRef
A single centre experience in Turkey for comparison between core needle biopsy and surgical specimen evaluation results for HER2, SISH, estrogen receptors and progesterone receptors in breast cancer patients
Hatice Karaman, Fatma Senel, Arzu Tasdemir, Ipek Özer, Merve Dogan
Journal of Cancer Research and Therapeutics.2022; 18(6): 1789. CrossRef
Meme kanseri trucut ve rezeksiyon materyallerinde yeni moleküler sınıflama, tanı ve hormon reseptörlerinin durumu tutarlı mı?
Yeliz ARMAN KARAKAYA, Sevda YILMAZ, Hande KARABAŞ
Pamukkale Medical Journal.2021;[Epub] CrossRef
What shear wave elastography parameter best differentiates breast cancer and predicts its histologic aggressiveness?
Hyunjin Kim, Jeongmin Lee, Bong Joo Kang, Sung Hun Kim
Ultrasonography.2021; 40(2): 265. CrossRef
Risk-based decision-making in the treatment of HER2-positive early breast cancer: Recommendations based on the current state of knowledge
Christian Jackisch, Patricia Cortazar, Charles E. Geyer, Luca Gianni, Joseph Gligorov, Zuzana Machackova, Edith A. Perez, Andreas Schneeweiss, Sara M. Tolaney, Michael Untch, Andrew Wardley, Martine Piccart
Cancer Treatment Reviews.2021; 99: 102229. CrossRef
Factors influencing agreement of breast cancer luminal molecular subtype by Ki67 labeling index between core needle biopsy and surgical resection specimens
Kristina A. Tendl-Schulz, Fabian Rössler, Philipp Wimmer, Ulrike M. Heber, Martina Mittlböck, Nicolas Kozakowski, Katja Pinker, Rupert Bartsch, Peter Dubsky, Florian Fitzal, Martin Filipits, Fanny Carolina Eckel, Eva-Maria Langthaler, Günther Steger, Mich
Virchows Archiv.2020; 477(4): 545. CrossRef

Clinicopathologic characteristics of HER2-positive pure mucinous carcinoma of the breast: Yunjeong Jang, Hera Jung, Han-Na Kim, Youjeong Seo, Emad Alsharif, Seok Jin Nam, Seok Won Kim, Jeong Eon Lee, Yeon Hee Park, Eun Yoon Cho, Soo Youn Cho; J Pathol Transl Med. 2020;54(1):95-102. Published online November 13, 2019; DOI: https://doi.org/10.4132/jptm.2019.10.24

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Background
Pure mucinous carcinoma (PMC) is a rare type of breast cancer, estimated to represent 2% of invasive breast cancer. PMC is typically positive for estrogen receptors (ER) and progesterone receptors (PR) and negative for human epidermal growth factor receptor 2 (HER2). The clinicopathologic characteristics of HER2-positive PMC have not been investigated.
Methods
Pathology archives were searched for PMC diagnosed from January 1999 to April 2018. Clinicopathologic data and microscopic findings were reviewed and compared between HER2-positive PMC and HER2-negative PMC. We also analyzed the differences in disease-free survival (DFS) and overall survival according to clinicopathologic parameters including HER2 status in overall PMC cases.
Results
There were 21 HER2-positive cases (4.8%) in 438 PMCs. The average tumor size of HER2-positive PMC was 32.21 mm (± 26.55). Lymph node metastasis was present in seven cases. Compared to HER2-negative PMC, HER2-positive PMC presented with a more advanced T category (p < .001), more frequent lymph node metastasis (p = .009), and a higher nuclear and histologic grade (p < .001). Microscopically, signet ring cells were frequently observed in HER2-positive PMC (p < .001), whereas a micropapillary pattern was more frequent in HER2-negative PMC (p = .012). HER2-positive PMC was more frequently negative for ER (33.3% vs. 1.2%) and PR (28.6% vs. 7.2%) than HER2-negative PMC and showed a high Ki-67 labeling index. During follow-up, distant metastasis and recurrence developed in three HER2-positive PMC patients. Multivariate analysis revealed that only HER2-positivity and lymph node status were significantly associated with DFS.
Conclusions
Our results suggest that HER2-positive PMC is a more aggressive subgroup of PMC. HER2 positivity should be considered for adequate management of PMC.

Citations

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Pure Mucinous Carcinoma of the Breast: Radiologic-Pathologic Correlation
Cherie M Kuzmiak, Benjamin C Calhoun
Journal of Breast Imaging.2023;[Epub] CrossRef
Mesonephric-like Adenocarcinoma of the Ovary: Clinicopathological and Molecular Characteristics
Hyun Hee Koh, Eunhyang Park, Hyun-Soo Kim
Diagnostics.2022; 12(2): 326. CrossRef
Alveolar Soft Part Sarcoma of the Uterus: Clinicopathological and Molecular Characteristics
Yurimi Lee, Kiyong Na, Ha Young Woo, Hyun-Soo Kim
Diagnostics.2022; 12(5): 1102. CrossRef
Metastasis of the Mucionous adenocarcinoma of breast to the mandibular gingiva: Rare case report
Ivana Mijatov, Aleksandra Fejsa Levakov, Aleksandar Spasić, Jelena Nikolić, Saša Mijatov
Medicine.2022; 101(38): e30732. CrossRef
Endometrioid Carcinomas of the Ovaries and Endometrium Involving Endocervical Polyps: Comprehensive Clinicopathological Analyses
Jihee Sohn, Yurimi Lee, Hyun-Soo Kim
Diagnostics.2022; 12(10): 2339. CrossRef
Serous Carcinoma of the Endometrium with Mesonephric-Like Differentiation Initially Misdiagnosed as Uterine Mesonephric-Like Adenocarcinoma: A Case Report with Emphasis on the Immunostaining and the Identification of Splice Site TP53 Mutation
Sangjoon Choi, Yoon Yang Jung, Hyun-Soo Kim
Diagnostics.2021; 11(4): 717. CrossRef
HER2 positive mucinous carcinoma of breast with micropapillary features: Report of a case and review of literature
Dinesh Chandra Doval, Rupal Tripathi, Sunil Pasricha, Pankaj Goyal, Chaturbhuj Agrawal, Anurag Mehta
Human Pathology: Case Reports.2021; 25: 200531. CrossRef
Carcinoma mucosecretor de mama HER2-positivo, un caso clínico
A.M. González Aranda, E. Martínez Gómez, A. Santana Costa, F. Arnanz Velasco, M.H. González de Diego, A. Zapico Goñi
Clínica e Investigación en Ginecología y Obstetricia.2021; 48(4): 100685. CrossRef
Clinicopathologic features of unexpectedly HER2 positive breast carcinomas: An institutional experience
Carissa LaBoy, Kalliopi P. Siziopikou, Lauren Rosen, Luis Z. Blanco, Jennifer L. Pincus
Pathology - Research and Practice.2021; 222: 153441. CrossRef
Mesonephric-like Differentiation of Endometrial Endometrioid Carcinoma: Clinicopathological and Molecular Characteristics Distinct from Those of Uterine Mesonephric-like Adenocarcinoma
Sujin Park, Go Eun Bae, Jiyoung Kim, Hyun-Soo Kim
Diagnostics.2021; 11(8): 1450. CrossRef
Mesonephric-like Adenocarcinoma of the Uterine Corpus: Comprehensive Immunohistochemical Analyses Using Markers for Mesonephric, Endometrioid and Serous Tumors
Hyunjin Kim, Kiyong Na, Go Eun Bae, Hyun-Soo Kim
Diagnostics.2021; 11(11): 2042. CrossRef

Expression of female sex hormone receptors and its relation to clinicopathological characteristics and prognosis of lung adenocarcinoma: Jin Hwan Lee, Han Kyeom Kim, Bong Kyung Shin; J Pathol Transl Med. 2020;54(1):103-111. Published online November 13, 2019; DOI: https://doi.org/10.4132/jptm.2019.10.12

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Background
Adenocarcinoma (ADC) of the lung exhibits different clinicopathological characteristics in men and women. Recent studies have suggested that these differences originate from the expression of female sex hormone receptors in tumor cells. The aim of the present study was to evaluate the immunohistochemical expression of female sex hormone receptors in lung ADC and determine the expression patterns in patients with different clinicopathological characteristics.
Methods
A total of 84 patients with lung ADC who underwent surgical resection and/or core biopsy were recruited for the present study. Immunohistochemical staining was performed for estrogen receptor α (ERα), estrogen receptor β (ERβ), progesterone receptor (PR), epidermal growth factor receptor (EGFR), EGFR E746- A750 del, and EGFR L858R using tissue microarray.
Results
A total of 39 (46.4%) ERα-positive, 71 (84.5%) ERβ-positive, and 46 (54.8%) PR-positive lung ADCs were identified. In addition, there were 81 (96.4%) EGFR-positive, 14 (16.7%) EGFR E746-A750 del–positive, and 34 (40.5%) EGFR L858R–positive cases. The expression of female sex hormone receptors was not significantly different in clinicopathologically different subsets of lung ADC.
Conclusions
Expression of female sex hormone receptors is not associated with the prognosis and clinicopathological characteristics of patients with lung ADC.

Citations

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Complex Differential Diagnosis between Primary Breast Cancer and Breast Metastasis from EGFR-Mutated Lung Adenocarcinoma: Case Report and Literature Review
Carmine Valenza, Francesca Maria Porta, Alessandra Rappa, Elena Guerini-Rocco, Giuseppe Viale, Massimo Barberis, Filippo de Marinis, Giuseppe Curigliano, Chiara Catania
Current Oncology.2021; 28(5): 3384. CrossRef
Development of a 15-Gene Signature Model as a Prognostic Tool in Sex Hormone-Dependent Cancers
Zhi Xia, Jian Xiao, Aibin Liu, Qiong Chen, Arumugam R. Jayakumar
BioMed Research International.2021; 2021: 1. CrossRef
Gender-specific aspects of epidemiology, molecular genetics and outcome: lung cancer
Nuria Mederos, Alex Friedlaender, Solange Peters, Alfredo Addeo
ESMO Open.2020; 5(Suppl 4): e000796. 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

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Abstract 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.

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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

Case Study

Morule-like features in pulmonary adenocarcinoma associated with epidermal growth factor receptor mutations: two case reports with targeted next-generation sequencing analysis: Yoo Jin Lee, Harim Oh, Eojin Kim, Bokyung Ahn, Jeong Hyeon Lee, Youngseok Lee, Yang Seok Chae, Chul Hwan Kim; J Pathol Transl Med. 2020;54(1):119-122. Published online November 1, 2019; DOI: https://doi.org/10.4132/jptm.2019.09.30

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Morules, or morule-like features, can be identified in benign and malignant lesions in various organs. Morular features are unusual in pulmonary adenocarcinoma cases with only 26 cases reported to date. Here, we describe two cases of pulmonary adenocarcinoma with morule-like features in Korean women. One patient had a non-mucinous-type adenocarcinoma in situ and the other had an acinarpredominant adenocarcinoma with a micropapillary component. Both patients showed multiple intra-alveolar, nodular, whorled proliferative foci composed of atypical spindle cells with eosinophilic cytoplasm. Targeted next-generation sequencing was performed on DNA extracted from formalin-fixed paraffin-embedded samples of the tumors. Results showed unusual epidermal growth factor receptor (EGFR) mutations, which are associated with drug resistance to EGFR tyrosine kinase inhibitors, revealing the importance of identifying morule-like features in pulmonary adenocarcinoma and the need for additional study, since there are few reported cases.

Citations

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Clinicopathological, Radiological, and Molecular Features of Primary Lung Adenocarcinoma with Morule-Like Components
Li-Li Wang, Li Ding, Peng Zhao, Jing-Jing Guan, Xiao-Bin Ji, Xiao-Li Zhou, Shi-Hong Shao, Yu-Wei Zou, Wei-Wei Fu, Dong-Liang Lin, Dong Pan
Disease Markers.2021; 2021: 1. CrossRef

Editorial

Papillary thyroid carcinoma variants with tall columnar cells: Chan Kwon Jung; J Pathol Transl Med. 2020;54(1):123-123. Published online January 15, 2020; DOI: https://doi.org/10.4132/jptm.2019.12.18

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Updates in the Pathologic Classification of Thyroid Neoplasms: A Review of the World Health Organization Classification
Yanhua Bai, Kennichi Kakudo, Chan Kwon Jung
Endocrinology and Metabolism.2020; 35(4): 696. CrossRef

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