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Original Article

March 1, 2026


Clinical features of NAAT-positive, toxin-negative Clostridioides difficile infections in South Korea
In Hyoung Choi, Chang Kyo Oh, Young Wook Cho, et al.
Korean J Intern Med. 2026;41(2):255-264.

1. Clinical outcomes related to CDI are not different between NAAT+/Toxin+ and NAAT+/Toxin- patients, emphasizing the need for individual clinical evaluation. 2. A negative result on the EIA was associated with...

Original Article

March 1, 2026


The effect of HFE gene mutation and iron overload on sustained virological response in Egyptian chronic hepatitis C patients treated with daclatasvir and sofosbuvir
Emad M. Kodsi, Hisham Ismail, Randa Issa, et al.
Korean J Intern Med. 2026;41(2):265-276.

1. Non-responders exhibited significantly elevated liver enzymes (ALT, AST) and bilirubin levels, alongside lower platelet counts and higher AFP, indicating more severe liver dysfunction compared to responders. 2. HFE gene mutations,...

Original Article

March 1, 2026


Development of Simple Assessment tool for predict imminent risk of Fracture in Elderly women
So Young Park, Sujin Kwon, Kyoung Jin Kim, et al.
Korean J Intern Med. 2026;41(2):277-285.

1. We developed a simple and practical tool, SAFE to predict 1- to 3-year fracture risk in elderly Korean women. 2. SAFE includes clinical risk factors such as age, BMI, BMD,...

Original Article

March 1, 2026


Risk of atrial fibrillation in patients with differentiated thyroid cancer: a nationwide population-based analysis
Jung Heo, Seo Young Sohn, Yun Jin Kim, et al.
Korean J Intern Med. 2026;41(2):286-295.

1. Patients with DTC showed an increased risk of AF, particularly those who underwent total thyroidectomy compared with lobectomy. 2. The association between DTC and AF development was stronger in younger...

Original Article

March 1, 2026


Real-world use of polatuzumab vedotin combined with bendamustine and rituximab for patients with relapsed or refractory large B-cell lymphoma
Changgon Kim, Sang Eun Yoon, Hyun-Young Kim, et al.
Korean J Intern Med. 2026;41(2):296-306.

1. Pola-BR provided meaningful but primarily temporary disease control in heavily pretreated R/R DLBCL, with its greatest utility as a bridging regimen enabling successful CAR T-cell therapy. 2. The timing and...

Original Article

March 1, 2026


High diffuse bone marrow uptake in 18F-FDG PET/CT may reflect the diverse mutational characteristics of multiple myeloma
Hee Jeong Cho, Donghyeon Lee, Tan Minh Le, et al.
Korean J Intern Med. 2026;41(2):307-316.

1. High DU in FDG PET/CT is associated with a higher mutational burden and reflects the heterogeneous genomic characteristics of MM. 2. Patients with high DU harbored mutations linked to oncogenic...

Original Article

March 1, 2026


Hemodialysis vascular access infections: epidemiology and risk factors for treatment failure
Shi Nae Yu, Eunjung Lee, Se Yoon Park, et al.
Korean J Intern Med. 2026;41(2):317-327.

1. S. aureus was identified as the predominant pathogen responsible for dialysis vascular access infections, demonstrating a significant correlation with metastatic complications, increased mortality, and recurrence. 2. Infection-related treatment failure within...

Original Article

March 1, 2026


Drug hypersensitivity leading to emergency department visit: a comprehensive analysis of clinical features and management
Soo Jie Chung, Na Young Kim, So Jeong Kim, et al.
Korean J Intern Med. 2026;41(2):328-340.

1. Emergency department–diagnosed drug hypersensitivity reactions were predominantly immediate-type reactions, most commonly triggered by radiocontrast media, NSAIDs, and β-lactams. 2. Anaphylaxis occurred in one-third of immediate-type reactions and was significantly associated...

Original Article

March 1, 2026


Cross-cultural adaptation and preliminary validation of the Korean version of the Psoriatic Arthritis Impact of Disease-12 questionnaire
Bon San Koo, Jung Gon Kim, Bo Young Yoon, et al.
Korean J Intern Med. 2026;41(2):341-349.

1. The PsAID-12 questionnaire was successfully adapted into Korean through a rigorous translation process. The finalized Korean version demonstrated good reliability (ICC = 0.856) and strong correlations with disease activity...

Original Article

March 1, 2026


Global burden of adverse effects of medical treatment from 1990 to 2021: a Global Burden of Disease Study 2021
Korean J Intern Med. 2026;41(2):350-366.

1. The higher burden of AEMT among older adults in high SDI quintiles may reflect healthcare overuse. 2. MIRs were higher in lower SDI quintiles, indicating a greater risk of fatal...
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    • Current Issue
    Volume 41(2); Mar 2026
    Clostridioides difficile infection in nucleic acid amplification test–positive/toxin-negative patients: to treat or not to treat
    Tae-Geun Gweon
    Korean J Intern Med. 2026;41(2):181-182.

    Editorial

    March 1, 2026
    A bridge, not a destination: clarifying the role of polatuzumab vedotin plus bendamustine and rituximab in relapsed/refractory diffuse large B-cell lymphoma
    Ho-Young Yhim
    Korean J Intern Med. 2026;41(2):183-185.

    Editorial

    March 1, 2026
    The epidemiology of inflammatory bowel disease: exploring the impacts of environmental factors
    Jihye Park, Jae Hee Cheon
    Korean J Intern Med. 2026;41(2):186-196.

    Review

    December 4, 2025
    Pulsed field ablation: focused on atrial fibrillation ablation
    Hong-Ju Kim, Chan-Hee Lee
    Korean J Intern Med. 2026;41(2):197-209.

    Review

    December 4, 2025
    From bench to bedside: adipose tissue fibrosis in obesity, anti-diabetic therapies, and bariatric surgery
    Mihye Seo, Kyoil Suh, Hyeong Kyu Park, et al.
    Korean J Intern Med. 2026;41(2):210-229.

    Review

    December 23, 2025
    Assessment tools for peripheral neuropathy in multiple myeloma
    Sung-Soo Park, Kunye Kwak, Seol-Hee Baek, et al.
    Korean J Intern Med. 2026;41(2):230-241.

    Review

    March 1, 2026
    Updates on epidemiology and diagnostic tests of syphilis in South Korea
    Dong Youn Kim, Ki-Ho Park
    Korean J Intern Med. 2026;41(2):242-254.

    Review

    March 1, 2026
    Clinical features of NAAT-positive, toxin-negative Clostridioides difficile infections in South Korea
    In Hyoung Choi, Chang Kyo Oh, Young Wook Cho, et al.
    Korean J Intern Med. 2026;41(2):255-264.

    Original Article

    March 1, 2026
    The effect of HFE gene mutation and iron overload on sustained virological response in Egyptian chronic hepatitis C patients treated with daclatasvir and sofosbuvir
    Emad M. Kodsi, Hisham Ismail, Randa Issa, et al.
    Korean J Intern Med. 2026;41(2):265-276.

    Original Article

    March 1, 2026
    Development of Simple Assessment tool for predict imminent risk of Fracture in Elderly women
    So Young Park, Sujin Kwon, Kyoung Jin Kim, et al.
    Korean J Intern Med. 2026;41(2):277-285.

    Original Article

    March 1, 2026
    Risk of atrial fibrillation in patients with differentiated thyroid cancer: a nationwide population-based analysis
    Jung Heo, Seo Young Sohn, Yun Jin Kim, et al.
    Korean J Intern Med. 2026;41(2):286-295.

    Original Article

    March 1, 2026
    Real-world use of polatuzumab vedotin combined with bendamustine and rituximab for patients with relapsed or refractory large B-cell lymphoma
    Changgon Kim, Sang Eun Yoon, Hyun-Young Kim, et al.
    Korean J Intern Med. 2026;41(2):296-306.

    Original Article

    March 1, 2026
    High diffuse bone marrow uptake in 18F-FDG PET/CT may reflect the diverse mutational characteristics of multiple myeloma
    Hee Jeong Cho, Donghyeon Lee, Tan Minh Le, et al.
    Korean J Intern Med. 2026;41(2):307-316.

    Original Article

    March 1, 2026
    Hemodialysis vascular access infections: epidemiology and risk factors for treatment failure
    Shi Nae Yu, Eunjung Lee, Se Yoon Park, et al.
    Korean J Intern Med. 2026;41(2):317-327.

    Original Article

    March 1, 2026
    Drug hypersensitivity leading to emergency department visit: a comprehensive analysis of clinical features and management
    Soo Jie Chung, Na Young Kim, So Jeong Kim, et al.
    Korean J Intern Med. 2026;41(2):328-340.

    Original Article

    March 1, 2026
    Cross-cultural adaptation and preliminary validation of the Korean version of the Psoriatic Arthritis Impact of Disease-12 questionnaire
    Bon San Koo, Jung Gon Kim, Bo Young Yoon, et al.
    Korean J Intern Med. 2026;41(2):341-349.

    Original Article

    March 1, 2026
    Global burden of adverse effects of medical treatment from 1990 to 2021: a Global Burden of Disease Study 2021
    Korean J Intern Med. 2026;41(2):350-366.

    Original Article

    March 1, 2026
    Too much synchrony? Left bundle branch area pacing-induced systolic anterior motion and left ventricular outflow tract obstruction managed by intentional atrioventricular dyssynchrony
    Hyung Ki Jeong, Sung Soo Kim, Hyun Kuk Kim, et al.
    Korean J Intern Med. 2026;41(2):367-368.

    Image of interest

    March 1, 2026
    Relapsing polychondritis presenting with intractable chronic cough, acute visual disturbance, and hearing loss
    Hyunje Kim, Eunjung Kong
    Korean J Intern Med. 2026;41(2):369-371.

    Image of interest

    March 1, 2026

    Korean Journal of
    Internal Medicine

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

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