Gastroenterology / Original Article
Medical disputes involving lower gastrointestinal endoscopies: cases from the Korean Medical Dispute Mediation and Arbitration Agency
Eun Hye Oh, Jeong Eun Shin, Jun Yong Bae, Yoon Suk Lee, Yehyun Park, Yong Hwan Kwon, Chang Nyol Paik, Jun Kyu Lee, Tae Hee Lee
Korean J Intern Med. 2025;40(3):404-426. Published online April 30, 2025
Background/Aims: As the number of lower gastrointestinal endoscopies and high-risk examinees increases, the incidence of adverse events associated with these endoscopies has also increased. Medical disputes and lawsuits related to adverse events are rapidly increasing.
Methods: Medical disputes rel..
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Gastroenterology / Original Article
The role of PD-1/PD-L1 pathway in ulcerative colitis and changes following tonsil-derived mesenchymal stem cells treatment
Eun Mi Song, Yang Hee Joo, Sung-Ae Jung, Ju-Ran Byeon, A-Reum Choe, Yehyun Park, Chung Hyun Tae, Chang Mo Moon, Seong-Eun Kim, Hye-Kyung Jung, Ki-Nam Shim
Korean J Intern Med. 2024;39(6):917-930. Published online November 1, 2024
Background/Aims: The programmed death 1 (PD-1)/programmed death-ligand 1 (PD-L1) pathway has not been fully evaluated in inflammatory bowel disease. We evaluated PD-1/PD-L1 levels in patients with ulcerative colitis (UC) and their significance in tonsil-derived mesenchymal stem cells (TMSCs) treatme..
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Gastroenterology / Original Article
Tight junction protein changes in irritable bowel syndrome: the relation of age and disease severity
Sang Un Kim, Ji A Choi, Man-Hoon Han, Jin Young Choi, Ji Hye Park, Moon Sik Kim, Yong Hwan Kwon
Korean J Intern Med. 2024;39(6):906-916. Published online November 1, 2024
Background/Aims: The etiology of irritable bowel syndrome (IBS) is associated with intestinal mucosal barrier damage. However, changes in the tight junction (TJ) proteins in IBS have not been fully elucidated. This study aimed to evaluate TJ protein changes in IBS patients and the relationship betwe..
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Gastroenterology / Review
Approaches and considerations in the endoscopic treatment of T1 colorectal cancer
Yunho Jung
Korean J Intern Med. 2024;39(4):563-576. Published online May 14, 2024
The detection of early colorectal cancer (CRC) is increasing through the implementation of screening programs. This increased detection enhances the likelihood of minimally invasive surgery and significantly lowers the risk of recurrence, thereby improving patient survival and reducing mortality rat..
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Gastroenterology / Review
Artificial intelligence in colonoscopy: from detection to diagnosis
Eun Sun Kim, Kwang-Sig Lee
Korean J Intern Med. 2024;39(4):555-562. Published online May 2, 2024
This study reviews the recent progress of artificial intelligence for colonoscopy from detection to diagnosis. The source of data was 27 original studies in PubMed. The search terms were “colonoscopy” (title) and “deep learning” (abstract). The eligibility criteria were: (1) the dependent varia..
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Gastroenterology / Review
Strategies to improve screening colonoscopy quality for the prevention of colorectal cancer
Joo Hye Song, Eun Ran Kim
Korean J Intern Med. 2024;39(4):547-554. Published online January 22, 2024
The incidence and mortality of colorectal cancer (CRC) have decreased through regular screening colonoscopy, surveillance, and endoscopic treatment. However, CRC can still be diagnosed after negative colonoscopy. Such CRC is called interval CRC and accounts for 1.8–9.0% of all CRC cases. Most case..
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Gastroenterology / Original Article
Diagnosis and management of acute colonic diverticulitis: results of a survey among Korean gastroenterologists
Jae Gon Lee, Yong Eun Park, Ji Young Chang, Hyun Joo Song, Duk Hwan Kim, Young Joo Yang, Byung Chang Kim, Shin Hee Lee, Myung-Won You, Seong-Eun Kim
Korean J Intern Med. 2023;38(5):672-682. Published online August 17, 2023
Background/Aims: Some management strategies for acute colonic diverticulitis remain controversial in Korean real-world practice because their clinical features differ from those in the West. This study aimed to investigate the opinions of Korean physicians regarding the diagnosis and treatment of ac..
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Gastroenterology / Original Article
Efficacy and safety of 1 L polyethylene glycol plus ascorbic acid for bowel preparation in elderly: comparison with oral sulfate solution
Ki Young Lim, Kyeong Ok Kim, Eun Young Kim, Yoo Jin Lee, Byung Ik Jang, Sung Kook Kim, Chang Heon Yang; on behalf of Crohn’s and Colitis Association in Daegu-Gyeongbuk (CCAiD)
Korean J Intern Med. 2023;38(5):651-660. Published online July 24, 2023
Background/Aims: Recently, 1 L of polyethylene glycol (PEG) plus ascorbic acid (Asc) has been introduced in Korea as a colonoscopy preparation agent. Data on its efficacy and safety in older adults have been limited. We aimed to evaluate the safety and efficacy of 1 L PEG/Asc in older adults by comp..
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Pulmonology / Original Article
Granulocyte colony-stimulating factor in bronchoalveolar lavage fluid is a potential biomarker for prognostic prediction of idiopathic pulmonary fibrosis
Jong-Uk Lee, Jae Sung Choi, Min Kyung Kim, Sun A Min, Jong-Sook Park, Choon-Sik Park
Korean J Intern Med. 2022;37(5):979-988. Published online June 22, 2022
Background/Aims: Neutrophilia is frequently observed in bronchoalveolar lavage fluid (BALF) of idiopathic pulmonary fibrosis (IPF) patients. Granulocyte colony-stimulating factor (G-CSF) is a potent neutrophil-activating glycoprotein. However, the clinical implications of G-CSF remain poorly underst..
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Gastroenterology / Original Article
Factors associated with the risk of colorectal neoplasia in young adults under age 40
Ilsoo Kim, Han Hee Lee, Young Jae Ko, Ho Eun Chang, Dae Young Cheung, Bo-In Lee, Young-Seok Cho, Jin Il Kim, Myung-Gyu Choi
Korean J Intern Med. 2022;37(5):969-978. Published online July 25, 2022
Background/Aims: Recent epidemiologic studies have shown a continued increase in colorectal cancer incidence among younger adults. Little is known about the factors that contribute to the development of young-onset colorectal neoplasia (CRN).
Methods: A cross-sectional analysis was performed for ind..
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Hemato-oncology / Original Article
Geriatric functional assessment for decision-making on adjuvant chemotherapy in older colon cancer patients
Hyun Jin Bang, Hyun Jeong Shim, Ga Ram Kim, Jun Eul Hwang, Woo Kyun Bae, Ik Joo Chung, Sang Hee Cho
Korean J Intern Med. 2022;37(3):660-672. Published online April 15, 2022
Background/Aims: Despite the increasing need for geriatric assessment prior to chemotherapy, the method for this assessment remains inadequate for older cancer patients. We aimed to propose a simple assessment method to predict the performance of adjuvant chemotherapy in older patients after colon c..
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Gastroenterology / Original Article
Radiology plus ileocolonoscopy versus radiology alone in Crohn’s disease: prognosis prediction and mutual agreement
Hye Kyung Hyun, Jongwook Yu, Eun Ae Kang, Jihye Park, Soo Jung Park, Jae Jun Park, Tae Il Kim, Won Ho Kim, Jae Hee Cheon
Korean J Intern Med. 2022;37(3):567-578. Published online October 26, 2021
Background/Aims: The optimal tools for monitoring Crohn’s disease (CD) are controversial. We compared radiology plus ileocolonoscopy and radiology alone in terms of prognosis prediction and evaluated the agreement between radiologic and ileocolonoscopic findings in patients with CD.
Methods: Pati..
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Gastroenterology / Original Article
Prevalence and associated risk of advanced colorectal neoplasia in adults with sarcopenia
[letter]
Min Cheol Kim, Kyeong Ok Kim, Min Kyu Kang
Korean J Intern Med. 2022;37(2):294-303. Published online December 16, 2021
Background/Aims: Although several studies have shown that sarcopenia is associated with poor outcomes in colorectal cancer patients, the impact of sarcopenia on the development of colorectal neoplasia remains unclear. We aimed to evaluate the prevalence and association of colorectal neoplasia, espec..
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Gastroenterology / Original Article
The effect of Hericium erinaceum on the prevention of chemically induced experimental colitis in rats
Ali Durmus, Ilgim Durmus, Omer Bender, Oguzhan Karatepe
Korean J Intern Med. 2021;36(Suppl 1):S44-S52. Published online June 19, 2020
Background/Aims: The aim of this study is to investigate the effects of the Hericium erinaceum on an experimental colitis model.
Methods: Twenty-four Wistar albino were included in this study. Rats were divided into three groups. Group 1 (n = 8) was sham group. Group 2 is the group of chemic..
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Gastroenterology / Original Article
Colonoscopy quality in community hospitals and nonhospital facilities in Korea
Jae Gon Lee, Dong Soo Han, Young-Eun Joo, Dae-Seong Myung, Dong Il Park, Seul Ki Kim, Yunho Jung, Won Hyun Lee, Eun Soo Kim, Joon Seok Yoon, Chang Soo Eun
Korean J Intern Med. 2021;36(Suppl 1):S35-S43. Published online May 12, 2020
Background/Aims: High-quality colonoscopy is essential to reduce colorectal cancer-related deaths. Little is known about colonoscopy quality in non-academic practice settings. We aimed to evaluate the quality of colonoscopies performed in community hospitals and nonhospital facilities.
Methods: Col..
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Gastroenterology / Original Article
Risk of colorectal cancer in patients with positive results of fecal immunochemical test performed within 5 years since the last colonoscopy
Yoon Suk Jung, Jinhee Lee, Chang Mo Moon
Korean J Intern Med. 2021;36(5):1083-1091. Published online June 18, 2021
Background/Aims: Annual fecal immunochemical tests (FITs) are often repeated within the recommended colonoscopy surveillance intervals. However, it remains unclear whether interval FITs are useful. To answer this question, we assessed the risk of colorectal cancer (CRC) according to the interval fro..
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Gastroenterology / Original Article
Sex difference in bowel preparation quality and colonoscopy time
Young-Jae Hwang, Dong Woo Shin, Nayoung Kim, Hyuk Yoon, Cheol Min Shin, Young Soo Park, Dong Ho Lee
Korean J Intern Med. 2021;36(2):322-331. Published online June 22, 2020
Background/Aims: The length of colon is known to be longer in females than in males. In addition, the morphology of colon cancer is different between males and females. The aim of this study was to investigate sex differences in Boston bowel preparation score (BBPS) and colonoscopy insertion time.
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Gastroenterology / Original Article
Risk factors of advanced metachronous neoplasms in surveillance after colon cancer resection
Kwangwoo Nam, Jeong Eun Shin
Korean J Intern Med. 2021;36(2):305-312. Published online April 21, 2020
Background/Aims: Regular surveillance colonoscopy after colon cancer resection is recommended for detecting metachronous adenoma and cancer. However, risk factors for metachronous neoplasms have not been fully evaluated. We aimed to assess risk factors for advanced metachronous neoplasms during surv..
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Gastroenterology / Original Article
Adenoma miss rate of polypectomy-referring hospitals is high in Korea
Ju Hyun Seo, Bo-In Lee, Kyungjin Lee, Jae Myung Park, Jin Soo Kim, Young-Seok Cho, Kang-Moon Lee, Sang Woo Kim, Hwang Choi, Myung-Gyu Choi
Korean J Intern Med. 2020;35(4):881-888. Published online October 17, 2019
Background/Aims: We evaluated the miss rates of polyps, adenomas, and advanced neoplasia of polypectomy-referring hospitals and risk factors for missed adenomas.
Methods: We compared medical records and electronic images of initial colonoscopies from polypectomy-referring hospitals with those of corr..
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Gastroenterology / Original Article
A prospective randomized clinical study evaluating the efficacy and compliance of oral sulfate solution and 2-L ascorbic acid plus polyethylene glycol
Ki Hwan Kwon, Ji Ae Lee, Yun Jeong Lim, Beom Jae Lee, Moon Kyung Joo, Yu Ra Sim, Wonjae Choi, Taehyun Kim, Ji Yoon Kim, Ei Rie Cho, Yoon Tae Jeen, Jong-Jae Park
Korean J Intern Med. 2020;35(4):873-880. Published online January 30, 2019
Background/Aims: Oral sulfate solution (OSS) is an emerging cleansing agent for bowel preparation. However, data comparing OSS to other conventional bowel preparations in Asian patients are limited. Therefore, the objective of this study was to compare the efficacy and tolerability of OSS to ascorbi..
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