Journal of Pathology and Translational Medicine

Review

Professional biobanking education in Korea based on ISO 20387: Jong Ok Kim, Chungyeul Kim, Sangyong Song, Eunah Shin, Ji-Sun Song, Mee Sook Roh, Dong-chul Kim, Han-Kyeom Kim, Joon Mee Kim, Yeong Jin Choi; J Pathol Transl Med. 2025;59(1):11-25. Published online January 15, 2025; DOI: https://doi.org/10.4132/jptm.2024.11.04

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Abstract PDF: To ensure high-quality bioresources and standardize biobanks, there is an urgent need to develop and disseminate educational training programs in accordance with ISO 20387, which was developed in 2018. The standardization of biobank education programs is also required to train biobank experts. The subdivision of categories and levels of education is necessary for jobs such as operations manager (bank president), quality manager, practitioner, and administrator. Essential training includes programs tailored for beginner, intermediate, and advanced practitioners, along with customized training for operations managers. We reviewed and studied ways to develop an appropriate range of education and training opportunities for standard biobanking education and the training of experts based on KS J ISO 20387. We propose more systematic and professional biobanking training programs in accordance with ISO 20387, in addition to the certification programs of the National Biobank and the Korean Laboratory Accreditation System. We suggest various training programs appropriate to a student’s affiliation or work, such as university biobanking specialized education, short-term job training at unit biobanks, biobank research institute symposiums by the Korean Society of Pathologists, and education programs for biobankers and researchers. Through these various education programs, we expect that Korean biobanks will satisfy global standards, meet the needs of users and researchers, and contribute to the advancement of science.

Case Study

Fibrin-associated large B-cell lymphoma arising in an endovascular graft: first case report in Korea: Min Gyoung Pak, Mee Sook Roh; J Pathol Transl Med. 2024;58(2):87-90. Published online January 24, 2024; DOI: https://doi.org/10.4132/jptm.2023.12.28

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Abstract PDF: Fibrin-associated large B-cell lymphoma (FA-LBCL) is an extremely rare subtype of LBCL that consists of microscopic aggregates of atypical large B cells in the background of fibrin. Here, we report the first case of FA-LBCL in Korea. A 57-year-old male presented with a large amount of thrombus in the thoracic aorta during follow-up for graft replacement of the thoracoabdominal aorta 8 years prior. The removed thrombus, measuring 4.3 × 3.1 cm, histologically exhibited eosinophilic fibrinous material with several small clusters of atypical lymphoid cells at the periphery. The atypical cells were positive for CD20 by immunohistochemistry and for Epstein-Barr virus by in situ hybridization. The Ki-67 proliferation rate was 85%. The patient was still alive with no recurrence at the 7-year follow-up after thrombectomy. Although the diagnosis can be very difficult and challenging due to its paucicellular features, pathologists should be aware of FALBCL, which has likely been underestimated in routine evaluations of thrombi.

Brief Case Report

Metastatic gastric cancer of the testis diagnosed through urine cytology: Mee Sook Roh, Song-Hee Han; J Pathol Transl Med. 2021;55(4):303-305. Published online June 1, 2021; DOI: https://doi.org/10.4132/jptm.2021.04.19

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Citations

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Gastric‐type adenocarcinoma of the uterine cervix presenting in urine cytology specimens: A case report and literature review
Kyung‐Hwa Lee, Nah Ihm Kim, Jong‐Hee Nam, Sung Sun Kim
Diagnostic Cytopathology.2024;[Epub] CrossRef

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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Prognostic Utility of Histological Growth Patterns of Colorectal Lung Oligometastasis: Son Jae Yeong, Min Gyoung Pak, Hyoun Wook Lee, Seung Yeon Ha, Mee Sook Roh; J Pathol Transl Med. 2018;52(2):98-104. Published online February 12, 2018; DOI: https://doi.org/10.4132/jptm.2017.12.27

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Abstract PDF

Background
Patients with resectable colorectal lung oligometastasis (CLOM) demonstrate a heterogeneous oncological outcome. However, the parameters for predicting tumor aggressiveness have not yet been fully investigated in CLOM. This study was performed to determine the prognostic value of histological growth patterns in patients who underwent surgery for CLOM.
Methods
The study included 92 patients who were diagnosed with CLOM among the first resection cases. CLOMs grow according to three histological patterns: aerogenous, pushing, and desmoplastic patterns. The growth patterns were evaluated on archival hematoxylin and eosin–stained tissue sections.
Results
The aerogenous pattern was found in 29.4% (n=27) of patients, the pushing pattern in 34.7% (n=32), the desmoplastic pattern in 6.5% (n=6), and a mix of two growth patterns in 29.4% (n=27). The size of the aerogenous pattern was significantly smaller than that of metastases with other patterns (p=.033). Kaplan-Meier analysis demonstrated that patients showing an aerogenous pattern appeared to have a poorer prognosis, which was calculated from the time of diagnosis of the CLOM (p=.044). The 5-year survival rate from the diagnosis of colorectal cancer tended to be lower in patients with an aerogenous pattern than in those who had a non-aerogenous pattern; however, the difference was marginally significant (p=.051). In the multivariate Cox analysis, the aerogenous pattern appeared as an independent predictor of poor overall survival (hazard ratio, 3.122; 95% confidence interval, 1.196 to 8.145; p=.020).
Conclusions
These results suggest that the growth patterns may play a part as a histology-based prognostic parameter for patients with CLOM.

Citations

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Predicting liver metastases growth patterns: Current status and future possibilities
Rui Caetano Oliveira, Henrique Alexandrino, Maria Augusta Cipriano, Filipe Caseiro Alves, José Guilherme Tralhão
Seminars in Cancer Biology.2021; 71: 42. CrossRef
Histological growth patterns and molecular analysis of resected colorectal lung metastases
Emanuela Pilozzi, Damiano Fedele, Andrea Montori, Laura Lorenzon, Valentina Peritore, Giorgia Mannocchi, Nikta Bagheri, Chiara Leone, Antonio Palumbo, Michela Roberto, Giulio Ranazzi, Erino Rendina, Genoveffa Balducci, Mohsen Ibrahim
Pathology - Research and Practice.2021; 222: 153414. CrossRef

Review

Molecular Testing of Lung Cancers: Hyo Sup Shim, Yoon-La Choi, Lucia Kim, Sunhee Chang, Wan-Seop Kim, Mee Sook Roh, Tae-Jung Kim, Seung Yeon Ha, Jin-Haeng Chung, Se Jin Jang, Geon Kook Lee; J Pathol Transl Med. 2017;51(3):242-254. Published online April 21, 2017; DOI: https://doi.org/10.4132/jptm.2017.04.10

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Abstract PDF

Targeted therapies guided by molecular diagnostics have become a standard treatment of lung cancer. Epidermal growth factor receptor (EGFR) mutations and anaplastic lymphoma kinase (ALK) rearrangements are currently used as the best predictive biomarkers for EGFR tyrosine kinase inhibitors and ALK inhibitors, respectively. Besides EGFR and ALK, the list of druggable genetic alterations has been growing, including ROS1 rearrangements, RET rearrangements, and MET alterations. In this situation, pathologists should carefully manage clinical samples for molecular testing and should do their best to quickly and accurately identify patients who will benefit from precision therapeutics. Here, we grouped molecular biomarkers of lung cancers into three categories—mutations, gene rearrangements, and amplifications—and propose expanded guidelines on molecular testing of lung cancers.

Citations

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Enhancing Lung Cancer Care in Portugal: Bridging Gaps for Improved Patient Outcomes
Raquel Ramos, Conceição Souto Moura, Mariana Costa, Nuno Jorge Lamas, Renato Correia, Diogo Garcez, José Miguel Pereira, Carlos Sousa, Nuno Vale
Journal of Personalized Medicine.2024; 14(5): 446. CrossRef
Evolution of therapy for ALK-positive lung carcinomas: Application of third-generation ALK inhibitors in real clinical practice
A. F. Nasretdinov, A. V. Sultanbaev, Sh. I. Musin, K. V. Menshikov, R. T. Ayupov, A. A. Izmailov, G. A. Serebrennikov, V. E. Askarov, D. V. Feoktistov
Meditsinskiy sovet = Medical Council.2024; (10): 74. CrossRef
Cost-effectiveness of next-generation sequencing for advanced EGFR/ALK-negative non-small cell lung cancer
Dong-Won Kang, Sun-Kyeong Park, Sokbom Kang, Eui-Kyung Lee
Lung Cancer.2024; 197: 107970. CrossRef
miR-92a-3p regulates cisplatin-induced cancer cell death
Romain Larrue, Sandy Fellah, Nihad Boukrout, Corentin De Sousa, Julie Lemaire, Carolane Leboeuf, Marine Goujon, Michael Perrais, Bernard Mari, Christelle Cauffiez, Nicolas Pottier, Cynthia Van der Hauwaert
Cell Death & Disease.2023;[Epub] CrossRef
Diagnostic Approach of Lung Cancer: A Literature Review
Jesi Hana, Novia Nurul Faizah
Jurnal Respirasi.2023; 9(2): 141. CrossRef
Molecular Pathology of Lung Cancer
James J. Saller, Theresa A. Boyle
Cold Spring Harbor Perspectives in Medicine.2022; 12(3): a037812. CrossRef
Landscape of EGFR mutations in lung adenocarcinoma: a single institute experience with comparison of PANAMutyper testing and targeted next-generation sequencing
Jeonghyo Lee, Yeon Bi Han, Hyun Jung Kwon, Song Kook Lee, Hyojin Kim, Jin-Haeng Chung
Journal of Pathology and Translational Medicine.2022; 56(5): 249. CrossRef
Molecular biomarker testing for non–small cell lung cancer: consensus statement of the Korean Cardiopulmonary Pathology Study Group
Sunhee Chang, Hyo Sup Shim, Tae Jung Kim, Yoon-La Choi, Wan Seop Kim, Dong Hoon Shin, Lucia Kim, Heae Surng Park, Geon Kook Lee, Chang Hun Lee
Journal of Pathology and Translational Medicine.2021; 55(3): 181. CrossRef
TM4SF4 and LRRK2 Are Potential Therapeutic Targets in Lung and Breast Cancers through Outlier Analysis
Kyungsoo Jung, Joon-Seok Choi, Beom-Mo Koo, Yu Jin Kim, Ji-Young Song, Minjung Sung, Eun Sol Chang, Ka-Won Noh, Sungbin An, Mi-Sook Lee, Kyoung Song, Hannah Lee, Ryong Nam Kim, Young Kee Shin, Doo-Yi Oh, Yoon-La Choi
Cancer Research and Treatment.2021; 53(1): 9. CrossRef
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Lukas Kalinke, Ricky Thakrar, Sam M. Janes
Molecular Oncology.2021; 15(10): 2544. CrossRef
Cost-effectiveness analyses of targeted therapy and immunotherapy for advanced non-small cell lung cancer in the United States: a systematic review
Anthony Yu, Eva Huang, Momoka Abe, Kang An, Sun-Kyeong Park, Chanhyun Park
Expert Review of Pharmacoeconomics & Outcomes Research.2021; 21(3): 381. CrossRef
The expanding capability and clinical relevance of molecular diagnostic technology to identify and evaluate EGFR mutations in advanced/metastatic NSCLC
Parth Shah, Jacob Sands, Nicola Normanno
Lung Cancer.2021; 160: 118. CrossRef
Testing for EGFR Mutations and ALK Rearrangements in Advanced Non-Small-Cell Lung Cancer: Considerations for Countries in Emerging Markets
Mercedes L Dalurzo, Alejandro Avilés-Salas, Fernando Augusto Soares, Yingyong Hou, Yuan Li, Anna Stroganova, Büge Öz, Arif Abdillah, Hui Wan, Yoon-La Choi
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Treatment of Patients With Non–Small-Cell Lung Cancer Harboring Rare Oncogenic Mutations
Melina E. Marmarelis, Corey J. Langer
Clinical Lung Cancer.2020; 21(5): 395. CrossRef
Detection of Targetable Genetic Alterations in Korean Lung Cancer Patients: A Comparison Study of Single-Gene Assays and Targeted Next-Generation Sequencing
Eunhyang Park, Hyo Sup Shim
Cancer Research and Treatment.2020; 52(2): 543. CrossRef
High prevalence of ROS1 gene rearrangement detected by FISH in EGFR and ALK negative lung adenocarcinoma
Yuyin Xu, Heng Chang, Lijing Wu, Xin Zhang, Ling Zhang, Jing Zhang, Yuan Li, Lei Shen, Xiaoli Zhu, Xiaoyan Zhou, Qianming Bai
Experimental and Molecular Pathology.2020; 117: 104548. CrossRef
An All-In-One Transcriptome-Based Assay to Identify Therapy-Guiding Genomic Aberrations in Nonsmall Cell Lung Cancer Patients
Jiacong Wei, Anna A. Rybczynska, Pei Meng, Martijn Terpstra, Ali Saber, Jantine Sietzema, Wim Timens, Ed Schuuring, T. Jeroen N. Hiltermann, Harry. J.M. Groen, Anthonie van der Wekken, Anke van den Berg, Klaas Kok
Cancers.2020; 12(10): 2843. CrossRef
Immunotherapy in EGFR-Mutant and ALK-Positive Lung Cancer
Alexander Gavralidis, Justin F. Gainor
The Cancer Journal.2020; 26(6): 517. CrossRef
Role of Immunocytochemistry in the Cytological Diagnosis of Pulmonary Tumors
Jasna Metovic, Luisella Righi, Luisa Delsedime, Marco Volante, Mauro Papotti
Acta Cytologica.2020; 64(1-2): 16. CrossRef
Molecular Diagnostic Assays and Clinicopathologic Implications of MET Exon 14 Skipping Mutation in Non–small-cell Lung Cancer
Eun Kyung Kim, Kyung A. Kim, Chang Young Lee, Sangwoo Kim, Sunhee Chang, Byoung Chul Cho, Hyo Sup Shim
Clinical Lung Cancer.2019; 20(1): e123. CrossRef
PD‐L1 expression in ROS1‐rearranged non‐small cell lung cancer: A study using simultaneous genotypic screening of EGFR, ALK, and ROS1
Jongmin Lee, Chan Kwon Park, Hyoung‐Kyu Yoon, Young Jo Sa, In Sook Woo, Hyo Rim Kim, Sue Youn Kim, Tae‐Jung Kim
Thoracic Cancer.2019; 10(1): 103. CrossRef
Human Leukocyte Antigen Class I and Programmed Death-Ligand 1 Coexpression Is an Independent Poor Prognostic Factor in Adenocarcinoma of the Lung
Yeon Bi Han, Hyun Jung Kwon, Soo Young Park, Eun-Sun Kim, Hyojin Kim, Jin-Haeng Chung
Journal of Pathology and Translational Medicine.2019; 53(2): 86. CrossRef
Molecular testing for advanced non-small cell lung cancer in Malaysia: Consensus statement from the College of Pathologists, Academy of Medicine Malaysia, the Malaysian Thoracic Society, and the Malaysian Oncological Society
Pathmanathan Rajadurai, Phaik Leng Cheah, Soon Hin How, Chong Kin Liam, Muhammad Azrif Ahmad Annuar, Norhayati Omar, Noriah Othman, Nurhayati Mohd Marzuki, Yong Kek Pang, Ros Suzanna Ahmad Bustamam, Lye Mun Tho
Lung Cancer.2019; 136: 65. CrossRef
Somatic mutations and immune checkpoint biomarkers
Brielle A. Parris, Eloise Shaw, Brendan Pang, Richie Soong, Kwun Fong, Ross A. Soo
Respirology.2019; 24(3): 215. CrossRef
Adverse Event Management in Patients with BRAF V600E-Mutant Non-Small Cell Lung Cancer Treated with Dabrafenib plus Trametinib
Anna Chalmers, Laura Cannon, Wallace Akerley
The Oncologist.2019; 24(7): 963. CrossRef
Genetic and clinicopathologic characteristics of lung adenocarcinoma with tumor spread through air spaces
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Lung Cancer.2018; 123: 121. CrossRef

Original Article

Altered Expression of PTEN and Its Major Regulator MicroRNA-21 in Pulmonary Neuroendocrine Tumors: Hyoun Wook Lee, Seung Yeon Ha, Mee Sook Roh; Korean J Pathol. 2014;48(1):17-23. Published online February 25, 2014; DOI: https://doi.org/10.4132/KoreanJPathol.2014.48.1.17

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Abstract PDF

Background

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

Methods

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

Results

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

Conclusions

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

Citations

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Role of microRNAs in regulating cell proliferation, metastasis and chemoresistance and their applications as cancer biomarkers in small cell lung cancer
Monu Pandey, Abhirup Mukhopadhyay, Surender K. Sharawat, Sachin Kumar
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Neuroendocrine Tumors Are Enriched in Cowden Syndrome
Alison Greidinger, Susan Miller-Samuel, Veda N. Giri, Michele Sue-Ann Woo, Saranya Akumalla, Charnita Zeigler-Johnson, Scott W. Keith, Daniel P. Silver
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Prognostic and predictive role of the PI3K–AKT–mTOR pathway in neuroendocrine neoplasms
P. Gajate, T. Alonso-Gordoa, O. Martínez-Sáez, J. Molina-Cerrillo, E. Grande
Clinical and Translational Oncology.2018; 20(5): 561. CrossRef
Genetic and epigenetic drivers of neuroendocrine tumours (NET)
Annunziata Di Domenico, Tabea Wiedmer, Ilaria Marinoni, Aurel Perren
Endocrine-Related Cancer.2017; 24(9): R315. CrossRef
Expression of hsa-let-7b-5p, hsa-let-7f-5p, and hsa-miR-222-3p and their putative targets HMGA2 and CDKN1B in typical and atypical carcinoid tumors of the lung
Pietro Di Fazio, Moritz Maass, Silvia Roth, Christian Meyer, Joana Grups, Peter Rexin, Detlef K Bartsch, Andreas Kirschbaum
Tumor Biology.2017; 39(10): 101042831772841. CrossRef
The regulatory role of aberrant Phosphatase and Tensin Homologue and Liver Kinase B1 on AKT/mTOR/c-Myc axis in pancreatic neuroendocrine tumors
Tsung-Ming Chang, Yan-Shen Shan, Pei-Yi Chu, Shih Sheng Jiang, Wen-Chun Hung, Yu-Lin Chen, Hsiu-Chi Tu, Hui-You Lin, Hui-Jen Tsai, Li-Tzong Chen
Oncotarget.2017; 8(58): 98068. CrossRef
Pulmonary atypical carcinoid in a patient with Cowden syndrome
Hiroaki Tsunezuka, Kaori Abe, Junichi Shimada, Masayoshi Inoue
Interactive CardioVascular and Thoracic Surgery.2016; 22(6): 860. CrossRef
Differential miRNA-Expression as an Adjunctive Diagnostic Tool in Neuroendocrine Tumors of the Lung
Melanie Demes, Christoph Aszyk, Holger Bartsch, Joachim Schirren, Annette Fisseler-Eckhoff
Cancers.2016; 8(4): 38. CrossRef
microRNA-21 promotes osteogenic differentiation of mesenchymal stem cells by the PI3K/β-catenin pathway
Yu-Bin Meng, Xue Li, Zhao-Yang Li, Jin Zhao, Xu-Bo Yuan, Yu Ren, Zhen-Duo Cui, Yun-De Liu, Xian-Jin Yang
Journal of Orthopaedic Research.2015; 33(7): 957. CrossRef
Inhibition of NADPH oxidase protects against metastasis of human lung cancer by decreasing microRNA-21
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Brief Case Report

Primary Extraskeletal Mesenchymal Chondrosarcoma of the Anterior Mediastinum: Sang Seok Jeong, Phil Jo Choi, Dong Won Kim, Choonhee Son, Mee Sook Roh; Korean J Pathol. 2013;47(5):492-494. Published online October 25, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.5.492

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Mesenchymal Tumors of the Mediastinum: An Update on Diagnostic Approach
Joon Hyuk Choi, Jae Y. Ro
Advances in Anatomic Pathology.2021; 28(5): 351. CrossRef
Mesenchymal tumours of the mediastinum—part II
Michael A. den Bakker, Alexander Marx, Kiyoshi Mukai, Philipp Ströbel
Virchows Archiv.2015; 467(5): 501. CrossRef
A chondrosarcoma in the anterior mediastinum mimicking a thymoma
Mia L Østergaard, Rene H Petersen, Anna Kalhauge
Acta Radiologica Open.2015; 4(9): 205846011559565. CrossRef

Review & Perspective

The New 2011 International Association for the Study of Lung Cancer/American Thoracic Society/European Respiratory Society Classification of Lung Adenocarcinoma in Resected Specimens: Clinicopathologic Relevance and Emerging Issues: Seung Yeon Ha, Mee Sook Roh; Korean J Pathol. 2013;47(4):316-325. Published online August 26, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.4.316

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Abstract PDF

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

Citations

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Radiomics for Classifying Histological Subtypes of Lung Cancer Based on Multiphasic Contrast-Enhanced Computed Tomography
Linning E, Lin Lu, Li Li, Hao Yang, Lawrence H. Schwartz, Binsheng Zhao
Journal of Computer Assisted Tomography.2019; 43(2): 300. CrossRef
Tumor heterogeneity assessed by texture analysis on contrast-enhanced CT in lung adenocarcinoma: association with pathologic grade
Ying Liu, Shichang Liu, Fangyuan Qu, Qian Li, Runfen Cheng, Zhaoxiang Ye
Oncotarget.2017; 8(32): 53664. CrossRef
Clinicopathological and prognostic significance of metastasis-associated protein 1 expression and its correlation with angiogenesis in lung invasive adenocarcinomas, based on the 2011 IASLC/ATS/ERS classification
SHUHAI LI, HUI TIAN, WEIMING YUE, LIN LI, CUN GAO, LIBO SI, WENSI HU, LEI QI, MING LU, CHUANLE CHENG, JINGJING CUI, GUANQING CHEN
Oncology Letters.2016; 11(1): 224. CrossRef
Myoferlin expression in non-small cell lung cancer: Prognostic role and correlation with VEGFR-2 expression
DAE HYUN SONG, GYUNG HYUCK KO, JEONG HEE LEE, JONG SIL LEE, GYEONG-WON LEE, HYEON CHEOL KIM, JUNG WOOK YANG, ROK WON HEO, GU SEOB ROH, SUN-YOUNG HAN, DONG CHUL KIM
Oncology Letters.2016; 11(2): 998. CrossRef
ROS1 gene rearrangement and copy number gain in non-small cell lung cancer
Yan Jin, Ping-Li Sun, Hyojin Kim, Eunhyang Park, Hyo Sup Shim, Sanghoon Jheon, Kwhanmien Kim, Choon-Taek Lee, Jin-Haeng Chung
Virchows Archiv.2015; 466(1): 45. CrossRef
The Demise of the Term Bronchioloalveolar Carcinoma
Yasmeen M. Butt, Timothy Craig Allen
Archives of Pathology & Laboratory Medicine.2015; 139(8): 981. CrossRef
Expression of EGFR and Molecules Downstream to PI3K/Akt, Raf-1-MEK-1-MAP (Erk1/2), and JAK (STAT3) Pathways in Invasive Lung Adenocarcinomas Resected at a Single Institution
Alba Fabiola Torres, Cleto Nogueira, Juliana Magalhaes, Igor Santos Costa, Alessa Aragao, Antero Gomes Neto, Filadelfia Martins, Fabio Tavora
Analytical Cellular Pathology.2014; 2014: 1. CrossRef
Usual Interstitial Pneumonia with Lung Cancer: Clinicopathological Analysis of 43 Cases
Dae Hyun Song, In Ho Choi, Sang Yun Ha, Kang Min Han, Jae Jun Lee, Min Eui Hong, Kyeongman Jeon, Man Pyo Chung, Jhingook Kim, Joungho Han
Korean Journal of Pathology.2014; 48(1): 10. CrossRef
Cytoplasmic YAP Expression is Associated with Prolonged Survival in Patients with Lung Adenocarcinomas and Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitor Treatment
Ping-Li Sun, Ji Eun Kim, Seol Bong Yoo, Hyojin Kim, Yan Jin, Sanghoon Jheon, Kwhanmien Kim, Choon Taek Lee, Jin-Haeng Chung
Annals of Surgical Oncology.2014; 21(S4): 610. CrossRef

Original Articles

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

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Abstract PDF

Background

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

Methods

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

Results

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

Conclusions

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

Citations

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Cytomorphological and histomorphological features of lung adenocarcinoma with epidermal growth factor receptor mutation and anaplastic lymphoma kinase gene rearrangement
Nikola Gardić, Aleksandra Lovrenski, Vanesa Sekeruš, Svetlana Lečić, Milorad Bijelović, Tanja Lakić, Aleksandra Ilić, Bojan Zarić, Sofija Glumac
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Qualitative and quantitative cytomorphological features of primary anaplastic lymphoma kinase‐positive lung cancer
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Cytological features in eight patients with ALK‐rearranged lung cancer
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Diagnostic Cytopathology.2018; 46(6): 516. CrossRef
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ALK-rearranged adenocarcinoma with extensive mucin production can mimic mucinous adenocarcinoma: clinicopathological analysis and comprehensive histological comparison with KRAS-mutated mucinous adenocarcinoma
Yoon Jin Cha, Joungho Han, Soo Hyun Hwang, Tae Bum Lee, Hojoong Kim, Jea Ill Zo
Pathology.2016; 48(4): 325. CrossRef
Cytomorphological identification of advanced pulmonary adenocarcinoma harboring KRAS mutation in lymph node fine‐needle aspiration specimens: Comparative investigation of adenocarcinoma with KRAS and EGFR mutations
Dae Hyun Song, Boram Lee, Yooju Shin, In Ho Choi, Sang Yun Ha, Jae Jun Lee, Min Eui Hong, Yoon‐La Choi, Joungho Han, Sang‐Won Um
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Morphologic Analysis of Pulmonary Neuroendocrine Tumors: Seung Seok Lee, Myunghee Kang, Seung Yeon Ha, Jungsuk An, Mee Sook Roh, Chang Won Ha, Jungho Han; Korean J Pathol. 2013;47(1):16-20. Published online February 25, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.1.16

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Abstract PDF

Background

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

Methods

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

Results

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

Conclusions

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

Citations

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Young Bae Choi, Go Eun Bae, Na Hee Lee, Jung-Sun Kim, Soo Hyun Lee, Keon Hee Yoo, Ki Woong Sung, Hong Hoe Koo
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Case Report

Primary Pulmonary Myxoid Liposarcoma with Translocation t(12;16)(q13;p11) in a Young Female Patient: A Brief Case Report: Choonhee Son, Phil Jo Choi, Mee Sook Roh; Korean J Pathol. 2012;46(4):392-394. Published online August 23, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.4.392

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Abstract PDF

Primary liposarcoma of the lung is an extremely rare disease. To date, only 14 cases have been reported in the literature. We experienced a case of myxoid liposarcoma of the lung treated by surgery. The tumor was well-defined, solid, lobulated mass measuring 3.5×2 cm, involving the bronchus of the left lower lobe. Microscopically, myxoid liposarcoma was identified. The fluorescence in situ hybridization confirmed the presence of a reciprocal translocation involving DNA damage-inducible transcript 3 (DDIT3) and fused in sarcoma (FUS) genes. The patient is still alive with no recurrence or metastasis at the time of writing this report (on 20 months postoperatively). To our knowledge, this is the first cytogenetic case report of pulmonary myxoid liposarcoma.

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Original Articles

Interobserver Variability in Diagnosing High-Grade Neuroendocrine Carcinoma of the Lung and Comparing It with the Morphometric Analysis: Seung Yeon Ha, Joungho Han, Wan-Seop Kim, Byung Seong Suh, Mee Sook Roh; Korean J Pathol. 2012;46(1):42-47. Published online February 23, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.1.42

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Abstract PDF

Background

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

Methods

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

Results

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

Conclusions

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

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The Interobserver Variability for Diagnosing Pulmonary Carcinoid Tumor.: Chang Hun Lee, Hee Kyung Chang, Hyoun Wook Lee, Dong Hoon Shin, Mee Sook Roh; Korean J Pathol. 2010;44(3):267-271.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.3.267

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Abstract PDF

BACKGROUND
Although the grade of pulmonary carcinoid tumor is routinely reported in pathology practice, there is a paucity of data on the level of agreement between pathologists.
METHODS
Data for 30 cases of surgically resected pulmonary tumors diagnosed as carcinoid tumors (19 typical carcinoids [TCs] and 11 atypical carcinoids [ACs]) were retrieved from four university hospitals. These cases were independently evaluated by five pathologists and were classified according to the 2004 World Health Organization (WHO) classification. Agreement was regarded as "unanimous" if all five pathologists agreed, and as a "majority" if four agreed. The kappa statistic was calculated to measure the degree of agreement between pathologists.
RESULTS
Unanimous agreement was achieved for 50.0% and a majority agreement for 83.3% of the 30 cases. The range of the kappa values extended from 0.37 to 0.89. After a consensus meeting, there was disagreement between the original diagnosis by each institute and the consensus diagnosis by the five pathologists for 40.0% of the 30 cases. Based on the consensus diagnosis, the agreement was greater for TCs than that for ACs.
CONCLUSIONS
Discriminating carcinoid tumors is subject to interobserver variability. This study indicates that there is a need for more careful standardization and application of diagnostic criteria for making the diagnosis of pulmonary carcinoid tumor.

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Case Report

Primary Extrapulmonary Small Cell Carcinoma of the Appendix: A Case Report.: Jong Hyeok Park, Ki Jae Park, Young Hoon Roh, Mee Sook Roh; Korean J Pathol. 2010;44(1):101-105.; DOI: https://doi.org/10.4132/KoreanJPathol.2010.44.1.101

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Abstract PDF: Primary extrapulmonary small cell carcinoma (EPSCC) of the appendix is an extremely rare entity, and there has been only one previous report on this in the English medical literature. We report here on the first Korean case of EPSCC of the appendix in a 55-year-old woman. The patient had no history of an identified pulmonary tumor, and she presented with constipation and lower abdominal pain. The patient underwent right hemicolectomy with regional lymph node dissection and bilateral salphigo-oophorectomy. The histology of the entire appendiceal tumor revealed pure EPSCC with diffuse immunoreactivity for pancytokeratin, cytokeratin 7, cytokeratin 20, CD56, thyroid transcription factor 1, c-kit and carcinoembryonic antigen, and there was focal weak immunoreactivity for chromogranin A and synaptophysin. After the second cycle of chemotherapy, the condition of the patient gradually deteriorated due to cancer peritonei and the patient died 7 months later. EPSCC of the appendix is a distinctive clinicopathological entity that displays highly aggressive behavior and an unfavorable outcome.

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