KJIM :: The Korean Journal of Internal Medicine

Review

August 26, 2026

Epidemiological and clinical trends of malignant small-bowel tumors in Asia

Jung Rock Moon, Seong Ran Jeon

Korean J Intern Med. 2026;41(5):799-807.

Malignant small-bowel tumors are uncommon, accounting for < 5% of all gastrointestinal cancers, yet their incidence has exhibited a steady rise in both Western and Asian populations. This increase is...

Review

September 1, 2026

Optimizing multiple diagnostic modalities for small bowel evaluation: a strategic approach

Dong Jun Oh, Yun Jeong Lim

Korean J Intern Med. 2026;41(5):785-798.

Over the past two decades, the small bowel, once considered a diagnostic “blind spot,” has become fully and comprehensively accessible. This review summarizes recent advances in the main diagnostic modalities:...

Review

September 1, 2026

Current insights into the diagnosis and management of small bowel bleeding

Sang Hyun Kim, Ja Seol Koo

Korean J Intern Med. 2026;41(5):808-818.

Small bowel bleeding accounts for 5–10% of gastrointestinal (GI) hemorrhage and remains a diagnostic challenge because of its diverse etiologies and subtle clinical presentation. Advances in small bowel imaging have...

Review

September 1, 2026

Heart failure with preserved ejection fraction in women: a sex-specific clinical review

Soo-Jin Kim, Mi-Seung Shin

Korean J Intern Med. 2026;41(5):819-830.

Heart failure with preserved ejection fraction (HFpEF) affects approximately half of the current heart failure population and demonstrates marked sex-related differences in pathophysiology, clinical presentation, and therapeutic response. These distinctions...

Review

September 1, 2026

Health effects of air pollution on chronic respiratory diseases

Yong Suk Jo, Jin Woo Song

Korean J Intern Med. 2026;41(5):831-846.

Exposure to both outdoor and indoor air pollution poses significant global public health challenges at all life stages. As the respiratory system serves as the primary entry route for inhaled...

Original Article

September 1, 2026

Population-specific rare variants influence age at diagnosis in Korean inflammatory bowel disease

Mina Cho, DongHwan Shin, Jongwook Yu, et al.

Korean J Intern Med. 2026;41(5):847-857.

1. WES identified 12 novel rare coding variants associated with age at diagnosis in Korean IBD, mostly specific to East Asian populations. 2. GSG1 carriers showed earlier disease onset and a...

Original Article

September 1, 2026

Clinical feasibility of deep learning-assisted classification of Helicobacter pylori infection in endoscopic imagery: a reader study

Jun-young Seo, Jiseon Kang, Do Hoon Kim, et al.

Korean J Intern Med. 2026;41(5):862-872.

1. A deep learning model classified H. pylori infection on endoscopic images with 97.0% patient-level accuracy and 100% sensitivity. 2. Deep learning assistance improved the mean diagnostic accuracy of 14 endoscopists...

Original Article

September 1, 2026

Prognostic implications of functional significance, high-risk plaque and vessel characteristics in patients with diabetes mellitus

Jin-Eun Song, Seokhun Yang, Masahiro Hoshino, et al.

Korean J Intern Med. 2026;41(5):873-883.

1. CCTA-derived HRP and HRV characteristics provided independent prognostic value for TVF beyond invasive FFR in patients with DM. 2. Even in diabetic patients with deferred vessels with FFR > 0.80,...

Original Article

September 1, 2026

Prognostic significance of artificial intelligence-quantified late gadolinium enhancement on cardiac magnetic resonance in hypertrophic cardiomyopathy

Young-Sang Jeong, Jong-Il Park, Kang-Un Choi, et al.

Korean J Intern Med. 2026;41(5):884-893.

1. Artificial intelligence (AI)-based quantification of late gadolinium enhancement (LGE) on cardiac magnetic resonance independently predicts adverse cardiovascular outcomes in patients with hypertrophic cardiomyopathy. 2. Automated and reproducible AI-based LGE analysis...

Original Article

September 1, 2026

Parathyroid hormone–related protein–mediated hypercalcemia of malignancy: insights from a multicenter clinical data warehouse

Jinyoung Kim, Yuri Shin, Jeonghoon Ha, et al.

Korean J Intern Med. 2026;41(5):907-915.

1. PTHrP-mediated hypercalcemia is an important endocrine cause of severe hypercalcemia in patients with malignancy. 2. PTHrP-related hypercalcemia is observed across a broad range of cancer types and is associated with...

Original Article

September 1, 2026

Diabetes progression and severe hypoglycemia: a nationwide cohort study of 2,475,605 adults with type 2 diabetes mellitus

Kyu-Na Lee, Bongseong Kim, Mee Kyoung Kim, et al.

Korean J Intern Med. 2026;41(5):916-926.

1. A diabetes progression score (ranging from 0 to 6)—based on diabetes duration, number of oral glucose-lowering drugs, insulin use, and the presence of chronic kidney disease, cardiovascular disease, and...

Original Article

September 1, 2026

Mortality risk associated with permanent central venous catheter use in the oldest-old population: a nationwide cohort study

Joo Un Park, Chang Min Park, Do Hyoung Kim, et al.

Korean J Intern Med. 2026;41(5):927-939.

1. In octogenarians and nonagenarians, permanent CVC use was associated with a two- to three-fold higher risk of mortality, compared with AV access. 2. Both AVF and AVG use were associated...

Original Article

September 1, 2026

Probable obesity hypoventilation syndrome in a Korean medical intensive care unit: clinical characteristics and outcomes

Kyu Jin Lee, Hong Yeul Lee, Jinwoo Lee, et al.

Korean J Intern Med. 2026;41(5):894-904.

1. The proportion of probable OHS was 3.0% (BMI ≥ 27 kg/m2) and 6.5% (BMI ≥ 30 kg/m2) among obese patients in the MICU of a tertiary hospital in Korea. 2....

Original Article

September 1, 2026

Clinical and immunologic features of adult primary antibody deficiency according to IVIGRT exposure

Jung-Eun Han, Hyun young Lee, Haeng Jun Kim, et al.

Korean J Intern Med. 2026;41(5):940-951.

1. IgG3SCD was the most prevalent PAD phenotype and was more frequently observed among Korean adults with PAD receiving IVIGRT in routine clinical practice. 2. The Ajou-PAD score showed modest discriminatory...

Original Article

September 1, 2026

Concomitant cryoglobulinaemic vasculitis alongside ANCA-associated vasculitis: concurrence or coincidental individual occurrence

Jeong Yeop Whang, Jang Woo Ha, Jihye Chung, et al.

Korean J Intern Med. 2026;41(5):952-960.

1. Cryoglobulin was detected in the sera of two of the 136 patients with AAV, both exhibiting repeated cryoglobulinaemia, and these patients were classified as having CryoVas alongside AAV, yielding...

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Current Issue: Volume 41(5); Sep 2026

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Volume 41, No 5

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Volume 41, No. 5

Korean Journal of
Internal Medicine

Print ISSN: 1226-3303
Online ISSN: 2005-6648

Impact Factor

2.2

MOST VIEWED MOST CITED

5,843	Epidemiological and clinical trends of malignant small-bowel tumors in Asia
10,705	2024 KSoLA consensus on secondary dyslipidemia
4,570	Global burden of adverse effects of medical treatment from 1990 to 2021: a Global Burden of Disease Study 2021
4,768	Diagnostic approach for incidental pulmonary nodules
4,496	Managing dyslipidemia in chronic kidney disease: a comprehensive overview of evidence and recommendations

Cited By 41	Long term management of people with post-tuberculosis lung disease
Cited By 29	Gut microbiota dysbiosis and its impact on asthma and other lung diseases: potential therapeutic approaches
Cited By 15	Increasing correlation between oral and gastric microbiota during gastric carcinogenesis
Cited By 15	Bariatric surgery for treatment of morbid obesity in adults
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