• 대한영상의학회지
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• 제84권3호
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• pp.536-549
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• 2023

염증성 장질환의 두 가지 주요 질환으로 크론병과 궤양성 대장염이 있다. 염증성 장질환이 의심될 때, 최근에는 장벽과 장벽 밖을 모두 평가할 수 있고 다른 질환과의 감별에도 도움을 받을 수 있어 CT 소장조영술이 초기 영상검사로 널리 사용되고 있다. 염증성 장질환이 의심되는 경우, 크론병과 궤양성 대장염과의 구분이 필요하며 대부분의 경우 어렵지 않게 구분이 되나 그렇지 않은 경우가 있어 이를 염증성 장질환-미분류(inflammatory bowel diseaseunclassified)로 구분한다. 궤양성 대장염의 경우 CT 소견은 비특이적인 경우가 많아 영상검사만으로 다른 질환과 감별하기 어려운 경우가 많다. 크론병의 경우 특징적인 CT 소견이 진단에 도움이 되는 경우가 많으나 이를 모방하는 질환들이 있으며 특히 결핵성 장염은 여전히 크론병과 감별이 어려울 수 있다. 최근에는 크론병과 유사한 다발성 궤양과 협착이 있는 환자의 일부에서 SLCO2A1이라는 프로스타글란딘 수송체를 암호화하는 유전자의 돌연변이가 질환의 원인인 것으로 밝혀져 크론병과 감별하기 위해 유전자 검사가 시행되고 있다.

• Pediatric Gastroenterology, Hepatology & Nutrition
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• 제27권4호
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• pp.206-214
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• 2024

Purpose: Few studies have reported the prevalence of inflammatory bowel disease unclassified (IBDU) among Korean pediatric IBD (PIBD) population. To address this gap, we used two tertiary centers and nationwide population-based healthcare administrative data to estimate the prevalence of Korean pediatric IBDU at the time of diagnosis. Methods: We identified 136 patients aged 2-17 years with newly diagnosed IBD (94 Crohn's disease [CD] and 42 ulcerative colitis [UC]) from two tertiary centers in Korea between 2005 and 2017. We reclassified these 136 patients using the revised Porto criteria. To estimate the population-based prevalence, we analyzed Korean administrative healthcare data between 2005 and 2016, which revealed 3,650 IBD patients, including 2,538 CD and 1,112 UC. By extrapolating the reclassified results to a population-based dataset, we estimated the prevalence of PIBD subtypes. Results: Among the 94 CD, the original diagnosis remained unchanged in 93 (98.9%), while the diagnosis of one (1.1%) patient was changed to IBDU. Among the 42 UC, the original diagnosis remained unchanged in 13 (31.0%), while the diagnoses in 11 (26.2%), 17 (40.5%), and one (2.4%) patient changed to atypical UC, IBDU, and CD, respectively. The estimated prevalences of CD, UC, atypical UC, and IBDU in the Korean population were 69.5%, 9.4%, 8.0%, and 13.1%, respectively. Conclusion: This study is the first in Korea to estimate the prevalence of pediatric IBDU. This prevalence (13.1%) aligns with findings from Western studies. Large-scale prospective multicenter studies on PIBDU are required to examine the clinical features and outcomes of this condition.

• Pediatric Gastroenterology, Hepatology & Nutrition
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• 제25권3호
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• pp.218-227
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• 2022

Purpose: To analyze the characteristics of pediatric inflammatory bowel disease (IBD) over the past three decades in Argentina and determine if there are differences between the first two decades and the past decade. Methods: We conducted a retrospective multicenter analytical study in children with IBD between 0 and 18 years of age diagnosed between 1987 and 2017 in three tertiary health centers in Argentina. The evaluation included clinical characterization, endoscopy, histology, and imaging data together with therapeutic strategies. The patients were divided into two groups: Group 1, diagnosed between 1987 and 2007, and Group 2, diagnosed between 2008 and 2017. Results: Of the 756 patients included, 409 (54%) had ulcerative colitis (UC), 250 (33%) had Crohn's disease (CD), and 97 (13%) had IBD-unclassified (IBD-U). The positive family history was 3.8%, which was more frequent among children under two years of age (6.7%). There were no significant differences in clinical presentation and extraintestinal manifestations between periods, with hepatic manifestations being the most frequent. In the last decade, we found an upward trend in CD, a downward trend in UC/IBD-U, even after adjustment for socioeconomic status, and a decrease of 50% in surgical treatments coinciding with the advent of biological therapy. Conclusion: This is the first multicenter cohort study in a Latin American country to describe clinical, endoscopic, and therapeutic data across the past 30-year period. Although CD was responsible for the overall increase in incidence, UC was still prevalent in this region.