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Pseudo Gallbladder sign in biliary atresia-an imaging pitfall.
- Source :
-
Pediatric Radiology . May2011, Vol. 41 Issue 5, p620-626. 7p. 2 Color Photographs, 2 Black and White Photographs, 4 Charts. - Publication Year :
- 2011
-
Abstract
- Background: Ultrasound (US) is used to identify causes of neonatal cholestasis. We describe a potential sonographic pitfall, the 'pseudo gallbladder,' in biliary atresia (BA). Objective: To describe the Pseudo Gallbladder sign (PsGB sign). Materials and methods: Sonograms/clinical records of 20 confirmed BA infants and 20 non-BA cases were reviewed retrospectively. For the BA group, preoperative sonography and surgical and pathological findings were examined. For the non-BA group, sonographic features and pathological findings were examined. The PsGB sign is defined as a fluid-filled structure, located in the expected region of the gallbladder, measuring ≤ 15 mm in length but without a well-defined or normal-appearing gallbladder wall. Results: A recognizable gallbladder and normal gallbladder wall were present in all non-BA infants. However, none of the BA infants had a sonographically normal gallbladder. Seventy-three percent of BA patients had a PsGB, and in 27% no gallbladder or gallbladder-like structure was detected. Conclusion: A gallbladder-like structure in BA is common and can be misinterpreted as a normal gallbladder, delaying diagnosis and therapy. Recognition of this imaging pitfall, described here as the pseudo gallbladder sign, will help avoid this error. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 03010449
- Volume :
- 41
- Issue :
- 5
- Database :
- Academic Search Index
- Journal :
- Pediatric Radiology
- Publication Type :
- Academic Journal
- Accession number :
- 59983775
- Full Text :
- https://doi.org/10.1007/s00247-011-2019-1