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Gastroenterology
Clinical outcomes of metachronous recurrence of gastric epithelial neoplasia based on Helicobacter pylori infection status and microsatellite stability
Yeon-Ji Kim, Jaeyoung Kim, Woo Chul Chung
Korean J Intern Med. 2022;37(4):768-776. Published online May 4, 2022
Background/Aims: Helicobacter pylori eradication may prevent the recurrence of gastric epithelial neoplasia after endoscopic treatment. However, H. pylori eradication therapy is unlikely to prevent gastric cancer. This study determined the longterm results and clinical outcomes of pati..
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HER-2 positivity is a high risk of recurrence of stage I gastric cancer
Seonhoo Kim, Yeon-Ji Kim, Woo Chul Chung
Korean J Intern Med. 2021;36(6):1327-1337. Published online August 26, 2021
Background/Aims: The treatment of gastric cancer remains unsatisfactory. We aimed to investigate the prognostic value of immunohistochemical staining in gastric cancer.
Methods: We analyzed 505 (279 early staged, 226 advanced-staged) gastric cancer tissues from patients who underwent radical gastri..
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Is serum pepsinogen testing necessary in populationbased screening for gastric cancer?
Yeon-Ji Kim, Woo Chul Chung
Korean J Intern Med. 2020;35(3):544-546. Published online April 29, 2020
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Gastroenterology
The usefulness of fecal calprotectin in assessing inflammatory bowel disease activity
Yang Woon Lee, Kang-Moon Lee, Ji Min Lee, Yoon Yung Chung, Dae Bum Kim, Yeon Ji Kim, Woo Chul Chung, Chang-Nyol Paik
Korean J Intern Med. 2019;34(1):72-80. Published online January 20, 2018
Background/Aims: Fecal calprotectin (FC) is known to correlate with disease activity and can be used as a predictor for relapse or treatment response in inflammatory bowel disease (IBD). We evaluated the usefulness of FC as a biomarker for disease activity in patients with IBD using both enzyme-link..
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Analysis of risk factor and clinical characteristics of angiodysplasia presenting as upper gastrointestinal bleeding
Dae Bum Kim, Woo Chul Chung, Seok Jong Lee, Hea Jung Sung, Seokyung Woo, Hyo Suk Kim, Yeon Oh Jeong, Hyewon Lee, Yeon-Ji Kim
Korean J Intern Med. 2016;31(4):669-677. Published online January 29, 2016
Background/Aims: Angiodysplasia is important in the differential diagnosis of upper gastrointestinal bleeding (UGIB), but the clinical features and outcomes associated with UGIB from angiodysplasia have not been characterized. We aimed to analyze the clinical characteristics and outcomes of angiodys..
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Prognostic Factors Associated with Survival in Patients with Primary Duodenal Adenocarcinoma
Woo Chul Chung, Chang Nyol Paik, Sung Hoon Jung, Kang-Moon Lee, Sang Woo Kim, U-Im Chang, Jin Mo Yang
Korean J Intern Med. 2011;26(1):34-40. Published online March 2, 2011
Background/AimsThe prognostic factors in primary duodenal adenocarcinoma remain controversial. This study evaluated the prognostic factors associated with survival in patients with primary duodenal adenocarcinoma. MethodsFrom March 1996 to June ..
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p53 Genetic Polymorphism of Gastric cancer in Korea
Woo Chul Chung, Kang Moon Lee, Bo In Lee, Ji Sung Chun, So Yeon Lee, U-Im Chang, Soo Heon Park, Jin Mo Yang, Kyu Yong Choi, In-Sik Chung
Korean J Intern Med. 2006;21(1):28-32. Published online March 30, 2006
Background/AimsDeletion or functional loss of the p53 tumor suppression gene plays a role in oncogenic transformation. The codon 72 polymorphism on exon 4 in the p53 gene produces variant proteins with either arginine (Arg) or proline (Pro), a..
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