Case 73: Portal Vein Aneurysm

 

Ultrasound Features:

- Saccular dilatation of the portal vein is seen at the porta-hepatis.

- Color Doppler shows 'Yan Yang' pattern or 'Pepsi Sign'.

Ultrasound Images:

Aneurysm & Yan Yang pattern

Yan Yang pattern or Pepsi sign of aneurysm