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담도폐쇄증의 영상 진단

Other Titles
 Diagnostic Imaging of Biliary Atresia 
Authors
 윤혜성  ;  임현지  ;  김지수  ;  이미정 
Citation
 Journal of the Korean Society of Radiology (대한영상의학회지), Vol.83(5) : 991-1002, 2022-09 
Journal Title
Journal of the Korean Society of Radiology(대한영상의학회지)
ISSN
 1738-2637 
Issue Date
2022-09
Keywords
Biliary Atresia ; Ultrasonography ; Magnetic Resonance Imaging ; Cholangiography
Abstract
Biliary atresia is a rare but significant cause of neonatal cholestasis. An early and accurate diagnosis is important for proper management and prognosis. To diagnose biliary atresia, various imaging studies using ultrasonography, MRI, hepatobiliary scans, and cholangiography can be performed, although ultrasonography is more important for initial imaging studies. In this article, we review the findings of biliary atresia from various imaging modalities, including ultrasonography, MRI, hepatobiliary scans, and cholangiography. The known key imaging features include abnormal gallbladder size and shape, periportal thickening visible as a 'triangular cord' sign, invisible common bile duct, increased hepatic arterial flow, and combined anomalies. Aside from the imaging findings of biliary atresia, we also reviewed the diagnostic difficulty in the early neonatal period and the role of imaging in predicting hepatic fibrosis. We hope that this review will aid in the diagnosis of biliary atresia.
Files in This Item:
T202205056.pdf Download
DOI
10.3348/jksr.2022.0077
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Yoon, Haesung(윤혜성) ORCID logo https://orcid.org/0000-0003-0581-8656
Lee, Mi-Jung(이미정) ORCID logo https://orcid.org/0000-0003-3244-9171
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/191964
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