- Diffuse Involvement of Primary Colorectal Lymphoma Simulating Ulcerative Colitis
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Ji-Ye Kim, Sun Hee Chang, Han Seong Kim, Mee Joo
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J Pathol Transl Med. 2019;53(5):332-336. Published online August 2, 2019
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DOI: https://doi.org/10.4132/jptm.2019.07.12
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- Diffuse involvement of colorectal lymphoma masquerading as colitis is a very rare presentation of primary colorectal lymphoma. Detecting occult lymphoma is difficult in the setting of diffuse colonic involvement with no definite mass and inflammatory mucosal changes. We encountered a case of diffuse-type primary colorectal lymphoma simulating ulcerative colitis in a previously healthy 31-year-old woman. Despite multiple mucosal biopsies, the biopsy diagnosis was not made due to unawareness of atypical lymphocytes admixed with dense lymphoplasmacytic infiltration. The present case emphasizes the importance of being aware of this rare presentation of primary colorectal lymphoma in order to avoid misdiagnosis.
- Provisional Guideline Recommendation for EGFR Gene Mutation Testing in Liquid Samples of Lung Cancer Patients: A Proposal by the Korean Cardiopulmonary Pathology Study Group
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Dong Hoon Shin, Hyo Sup Shim, Tae Jung Kim, Heae Surng Park, Yun La Choi, Wan Seop Kim, Lucia Kim, Sun Hee Chang, Joon Seon Song, Hyo jin Kim, Jung Ho Han, Chang Hun Lee, Geon Kook Lee, Se Jin Jang
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J Pathol Transl Med. 2019;53(3):153-158. Published online February 28, 2019
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DOI: https://doi.org/10.4132/jptm.2019.02.22
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Abstract
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- Liquid biopsy for detection of mutation from circulating tumor DNA is a new technology which is attractive in that it is non-invasive. Epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKI) is an effective first line drug for advanced non-small cell lung cancer patients who harbor activating EGFR mutation. During the course of treatment, resistance against TKI arises which can be contributed to EGFR T790M mutation in about 50–60% of patients. Third generation TKI may overcome the resistance. In patients who cannot undergo tissue biopsy due to variable reasons, liquid biopsy is an excellent alternative for the detection of EGFR T790M mutation. However, this relatively novel method requires standardization and vigorous quality insurance. Thus, a standard set of guideline recommendations for liquid biopsy for EGFR mutation testing suitable for the Korean medical community is necessary. In this article, we propose a set of provisional guideline recommendations that was discussed and approved by the Cardiopulmonary Pathology Study Group of the Korean Society of Pathologists.
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Citations
Citations to this article as recorded by  - Improving non-small-cell lung cancer survival through molecular characterization: Perspective of a multidisciplinary expert panel
M.G.O. Fernandes, A.S. Vilariça, B. Fernandes, C. Camacho, C. Saraiva, F. Estevinho, H. Novais e Bastos, J.M. Lopes, P. Fidalgo, P. Garrido, S. Alves, S. Silva, T. Sequeira, F. Barata
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Amaia Sandúa, Estibaliz Alegre, Álvaro González
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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 - Current status and future perspectives of liquid biopsy in non-small cell lung cancer
Sunhee Chang, Jae Young Hur, Yoon-La Choi, Chang Hun Lee, Wan Seop Kim
Journal of Pathology and Translational Medicine.2020; 54(3): 204. CrossRef - Prevalence of T790M mutation among TKI-therapy resistant Lebanese lung cancer patients based on liquid biopsy analysis: a first report from a major tertiary care center
Hazem Assi, Arafat Tfayli, Nada Assaf, Sarah Abou Daya, Aram H. Bidikian, Dima Kawsarani, Puzant Fermanian, Ghazi Zaatari, Rami Mahfouz
Molecular Biology Reports.2019; 46(4): 3671. CrossRef
- Analysis of Mutations in Epidermal Growth Factor Receptor Gene in Korean Patients with Non-small Cell Lung Cancer: Summary of a Nationwide Survey
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Sang Hwa Lee, Wan Seop Kim, Yoo Duk Choi, Jeong Wook Seo, Joung Ho Han, Mi Jin Kim, Lucia Kim, Geon Kook Lee, Chang Hun Lee, Mee Hye Oh, Gou Young Kim, Sun Hee Sung, Kyo Young Lee, Sun Hee Chang, Mee Sook Rho, Han Kyeom Kim, Soon Hee Jung, Se Jin Jang, The Cardiopulmonary Pathology Study Group of Korean Society of Pathologists
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J Pathol Transl Med. 2015;49(6):481-488. Published online October 13, 2015
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DOI: https://doi.org/10.4132/jptm.2015.09.14
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- Background
Analysis of mutations in the epidermal growth factor receptor gene (EGFR) is important for predicting response to EGFR tyrosine kinase inhibitors. The overall rate of EGFR mutations in Korean patients is variable. To obtain comprehensive data on the status of EGFR mutations in Korean patients with lung cancer, the Cardiopulmonary Pathology Study Group of the Korean Society of Pathologists initiated a nationwide survey. Methods: We obtained 1,753 reports on EGFR mutations in patients with lung cancer from 15 hospitals between January and December 2009. We compared EGFR mutations with patient age, sex, history of smoking, histologic diagnosis, specimen type, procurement site, tumor cell dissection, and laboratory status. Results: The overall EGFR mutation rate was 34.3% in patients with non-small cell lung cancer (NSCLC) and 43.3% in patients with adenocarcinoma. EGFR mutation rate was significantly higher in women, never smokers, patients with adenocarcinoma, and patients who had undergone excisional biopsy. EGFR mutation rates did not differ with respect to patient age or procurement site among patients with NSCLC. Conclusions: EGFR mutation rates and statuses were similar to those in published data from other East Asian countries.
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Citations
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Min Yu, Xiaoyu Li, Xueqian Wu, Weiya Wang, Yanying Li, Yan Zhang, Shuang Zhang, Yongsheng Wang
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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 - Osimertinib in Patients with T790M-Positive Advanced Non-small Cell Lung Cancer: Korean Subgroup Analysis from Phase II Studies
Myung-Ju Ahn, Ji-Youn Han, Dong-Wan Kim, Byoung Chul Cho, Jin-Hyoung Kang, Sang-We Kim, James Chih-Hsin Yang, Tetsuya Mitsudomi, Jong Seok Lee
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Hyun Min Koh, Hyo Jung An, Gyung Hyuck Ko, Jeong Hee Lee, Jong Sil Lee, Dong Chul Kim, Jung Wook Yang, Min Hye Kim, Sung Hwan Kim, Kyung Nyeo Jeon, Gyeong-Won Lee, Se Min Jang, Dae Hyun Song
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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
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