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International Journal of Clinical & Medical Images

ISSN: 2376-0249

Clinical-Medical Image - International Journal of Clinical & Medical Images (2020) Volume 7, Issue 10

The Starry Sky Sign: An Indicator of Von Meyenburg Complexes

The Starry Sky Sign: An Indicator of Von Meyenburg Complexes

Author(s): Amal Lahfidi*, Kaoutar Imrani, Hounayda Jerguigue, Rachida Latib and Youssef Omor

The von Meyenburg complexes or biliary micro-hamartomas were first described in 1918 by Von Meyenburg. They are rare <1% of congenital origin, related to the dilated lumen ducts containing biliary thrombosis, surrounded by hyalinized fibrous tissue with no connection to the excretory biliary system. They correspond to several biliary micro-hamartomas of 1 mm to 4 mm often with sub capsular localization. These lesions are asymptomatic, often discovered accidentally in a carcinological context, during an ultrasound (snowstorm sign) or abdominal scan that may be taken for hepatic metastases. Hepatic MRI (BILI-MRI) is the reference test to differentiate these lesions from hepatic metastases (hyper signal diffusion). They appear as multiple millimetric cystic formations scattered throughout the hepatic parenchyma, well delineated, in hyper signal T2, hypo signal diffusion, achieving the starry sky sign on the Bili-IRM sequences without communication between the cystic lesions and the bile ducts (Figures 1 and 2).

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