Zahn infarct

From WikiMD's Food, Medicine & Wellness Encyclopedia

A Zahn infarct is a pseudo-infarction of the liver.

It consists of an area of congestion with parenchymal atrophy but no necrosis, and usually due to obstruction of a branch of the portal vein.

Pathophysiology[edit | edit source]

  • Zahn infarcts are unique in that there is collateral congestion of liver sinusoids that do not include areas of anoxia seen in most infarcts.
  • Portal vein congestion is commonly seen in Zahn infarcts upon necropsy.
  • Fibrotic tissue may develop in the area of the infarct and it could be caused by an occlusive phlebitis in portal vein radicles.
  • Non ischemic infarct of liver with lines of Zahn.

Eponym[edit | edit source]

The Zahn infarct is named for Friedrich Wilhelm Zahn.


Zahn infarct Resources
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Contributors: Prab R. Tumpati, MD