Cavernous transformation of the portal vein

Case contributed by Mohammad Taghi Niknejad
Diagnosis certain

Presentation

Abdominal pain and jaundice.

Patient Data

Age: 70 years
Gender: Female
This study is a stack
Axial C+
arterial phase
This study is a stack
Axial C+ portal
venous phase
This study is a stack
Axial C+
delayed
This study is a stack
Coronal C+ portal
venous phase
This study is a stack
Sagittal C+ portal
venous phase
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Info

The gallbladder is not seen at anatomical location due to prior resection.
Intra and extra hepatic bile ducts are dilated and CBD measured 15 mm in maximum caliber. An 18 mm hyperdense lesion is noted at distal of CBD inferring stone.

There are several vascular structures in the region of the portal vein consistent with cavernous transformation of the portal vein and causing mass effect on mid portion of CBD.  

The spleen is enlarged and its cephalocaudal height measured 158 mm.

Case Discussion

Cavernous transformation of the portal vein is a sequela of portal vein thrombosis and is the replacement of the normal single channel portal vein with numerous tortuous venous channels.

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