KJIM :: The Korean Journal of Internal Medicine

Original Article

May 1, 2026

Comparison between ligation-assisted and precutting endoscopic mucosal resection for small rectal neuroendocrine tumors: a CHASID study

Sunghyeok Ryou, Yunho Jung, Dae Sung Kim, et al.

Korean J Intern Med. 2026;41(3):432-440.

1. EMR-L and EMR-P both showed high resection success and safety for small rectal NETs. EMR-L was significantly faster, making it a more time-efficient option.

Original Article

May 1, 2026

Does physical activity reduce cardiovascular risk associated with knee osteoarthritis in type 2 diabetes? A nationwide cohort study

Dojoon Park, Kyuho Kim, Hae-Seok Koh, et al.

Korean J Intern Med. 2026;41(3):485-500.

1. Knee OA independently increased the risks of CVD, MI, stroke, and HF in patients with T2DM. 2. This relative excess CV risk was more evident in non-insulin users and in...

Original Article

May 1, 2026

Association between remnant cholesterol and colorectal cancer risk in Korea: a nationwide population-based study

Minkook Son, Jong Yoon Lee, Chi Hyeon Choi, et al.

Korean J Intern Med. 2026;41(3):443-453.

1. Using a nationwide Korean cohort, we evaluated the association between RC and CRC risk. 2. Higher RC levels were independently associated with increased CRC incidence after adjusting for metabolic and...

Original Article

January 1, 2026

Incidence and risk factors of rebleeding in Crohn’s disease patients with acute lower gastrointestinal bleeding

Gabin Moon, Kyeong Ok Kim, Sung Noh Hong, et al.

Korean J Intern Med. 2026;41(3):454-461.

1. The incidence of rebleeding in patients with CD experiencing acute LGIB was 32%. 2. Our results revealed that transfusion requirement was a significant risk factor for rebleeding. 3. Changes in AZA/6-MP...

Original Article

May 1, 2026

Comparison of the efficacy and safety of endoscopic and fluoroscopic balloon dilatation in benign esophageal strictures

Kwangbeom Park, Chang Hoon Oh, Do Hoon Kim, et al.

Korean J Intern Med. 2026;41(3):462-473.

1. EBD and FBD had similar efficacy and safety for benign esophageal strictures. 2. Treatment modality itself did not affect the dilatation-free period. 3. Older age, severe dysphagia, and long stricture length...

Original Article

May 1, 2026

Clinical outcomes of heart failure with improved ejection fraction in patients treated with angiotensin receptor–neprilysin inhibitor

Dong-Eon Kim, Min Gyu Kong, Saerom Kim, et al.

Korean J Intern Med. 2026;41(3):474-484.

1. In this multicenter registry study (n = 198), we evaluated the incidence, clinical characteristics, predictive factors, and outcomes of HFimpEF among patients with HFrEF treated with ARNIs. 2. Approximately one-third...

Original Article

May 1, 2026

Trabecular bone score differs among prediabetes phenotypes: the potential mediating role of visceral adiposity

Yong Jun Choi, Ja Young Jeon, Kyoung Hwa Ha, et al.

Korean J Intern Med. 2026;41(3):501-513.

1. Prediabetes phenotypes (IFG, IGT, IFG+IGT) show distinct bone quality patterns, with IGT showing the poorest TBS in men and IFG+IGT showing the greatest impairment in women. 2. Visceral adiposity accounts...

Original Article

May 1, 2026

Cross-neutralizing antibody responses among individuals with or without bivalent vaccine: a six-month prospective cohort study

Hye Hee Cha, Ji Yeun Kim, Seung Beom Kim, et al.

Korean J Intern Med. 2026;41(3):516-523.

1. Prior Omicron infection followed by bivalent vaccination elicited the most robust and durable crossnAb responses over 6 months. 2. Individuals with prior infection alone showed limited neutralizing activity, which was...

Original Article

May 1, 2026

LncRNA as a diagnostic marker for rheumatoid arthritis: a systematic review and meta-analysis

Lin-ling Luo, Yu-tong Chen, Yi-ning Xu, et al.

Korean J Intern Med. 2026;41(3):524-536.

1. Integrate multiple sets of raw data through meta-analysis to quantitatively validate the overall diagnostic efficacy of lncRNAs for RA. 2. Effectively compensate for the diagnostic limitations of traditional markers such...

Original Article

May 1, 2026

Opposing associations of muscle and fat mass changes on serum uric acid levels: a 2-year longitudinal cohort study

Jiwon Hwang, Mi Yeon Lee, Joong Kyong Ahn

Korean J Intern Med. 2026;41(3):537-554.

1. Dynamic changes in body composition are key determinants of SUA variability, particularly in men and premenopausal women. 2. Muscle gain and fat loss have opposing, yet independent associations with SUA...

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