What is the role of CT scanning and MRI in the workup of choledochal cysts?

Updated: Jul 01, 2020
  • Author: Emily Tommolino, MD; Chief Editor: BS Anand, MD  more...
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Answer

Abdominal CT scanning and MRI help to delineate the anatomy of the lesion and the surrounding structures. These tests also can assist in defining the presence and extent of intrahepatic ductal involvement. Yu and associates published a series of 64 patients in whom magnetic resonance cholangiopancreatography (MRCP) was particularly valuable in defining anomalous pancreaticobiliary junctions. [3] (See the images below.)

Computed tomography (CT) scan of a choledochal cys Computed tomography (CT) scan of a choledochal cyst demonstrating intrahepatic extension involving the main left hepatic duct.
Computed tomography (CT) scan of a choledochal cys Computed tomography (CT) scan of a choledochal cyst involving the common hepatic duct.
Computed tomography (CT) scan demonstrating a larg Computed tomography (CT) scan demonstrating a large choledochal cyst and the adjacent gall bladder.
Computed tomography (CT) scan of a large, saccular Computed tomography (CT) scan of a large, saccular type I choledochal cyst.

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