Which imaging studies are performed in the workup of choledochal cysts?

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

The following imaging studies may be used to assess patients with suspected choledochal cysts:

  • Abdominal ultrasonography: Test of choice for the diagnosis of a choledochal cyst; can be useful for antenatal diagnosis [1, 2]

  • Abdominal computed tomography (CT) scanning and magnetic resonance imaging (MRI): Help to delineate the anatomy of the lesion and the surrounding structures; can also assist in defining the presence and extent of intrahepatic ductal involvement

  • Magnetic resonance cholangiopancreatography (MRCP): Useful for defining anomalous pancreatobiliary junctions [3] and pancreatobiliary anomalies [4]

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