Choledochal cyst - type Ic (MRCP)

Case contributed by Dr Mostafa El-Feky

Presentation

Biliary dilatation noted on ultrasonography

Patient Data

Age: 13 years
Gender: Female
MRI

MRCP

Smooth fusiform extrahepatic biliary tree dilatation. Common bile duct reaches 9 mm at mid-portion.

Mild intrahepatic biliary radicals dilatation, more on the left lobe.

No common bile duct stones or distal obstacle. No masses.

Anomalous pancreaticobiliary Junction with dilated common channel (type c). 

Case Discussion

Features are likely representing choledochal cyst type I (Todani Ic) with associated pancreaticobiliary maljunction (PBM) type c (dilated common channel type).

Choledochal cyst type I has three types:

  • type Ia: cystic dilatation of entire extrahepatic biliary tree
  • type Ib: focal segmental (often distal) saccular dilatation of extrahepatic bile duct
  • type Ic: fusiform dilatation of extrahepatic biliary tree
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Case information

rID: 75080
Published: 20th Mar 2020
Last edited: 14th May 2020
Inclusion in quiz mode: Included
Institution: Dar El Ashaa Center

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