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Review
. 2022 Feb;29(1):173-186.
doi: 10.1007/s10140-021-01999-y. Epub 2021 Nov 17.

Beyond acute cholecystitis-gallstone-related complications and what the emergency radiologist should know

Andrew Tran  1 , Carrie Hoff  2 , Karunesh Polireddy  3 , Arie Neymotin  4 , Kiran Maddu  2
Affiliations
Review

Beyond acute cholecystitis-gallstone-related complications and what the emergency radiologist should know

Andrew Tran et al. Emerg Radiol. 2022 Feb.

Abstract

The purpose of this study is to emphasize the imaging features of complications of gallstones beyond the cystic duct on ultrasound (US), enhanced and nonenhanced computed tomography (CECT and NECT), magnetic resonance imaging (MRI), magnetic resonance cholangiopancreatography (MRCP), and endoscopic retrograde cholangiopancreatography (ERCP). This article includes a brief overview of gallstone imaging and emerging trends in the detection of gallstones. This review article will highlight complications of gallstones, including choledocholithiasis, gallstone pancreatitis, acute cholangitis, Mirizzi syndrome, cholecystobiliary and cholecystoenteric fistulas, and gallstone ileus. Imaging findings and limitations of US, CT, MRI, and ERCP will be discussed. The review article will also briefly discuss the management of each disease. The presence of gallstones beyond the level of the cystic duct can lead to a spectrum of diseases, and emergency radiologists play a critical role in disease management by providing a timely diagnosis. Documenting the location of a gallstone within the common bile duct (CBD) in symptomatic cholelithiasis and the presence of acute interstitial edematous pancreatitis and/or ascending cholangitis plays a pivotal role in disease management. Establishing the presence of ectopic gallstones and biliary-enteric fistulae has a significant role in directing patient management.

Keywords: Complications; Emergency; Gallstone; Radiology.

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