A crescent-shaped sparing proximal to a liver tumor may indicate underlying portal tumor thrombus

Hepatogastroenterology. 2003 Sep-Oct;50(53):1631-3.

Abstract

A primary or metastatic liver tumor sometimes blocks portal venous flow and causes a focal sparing in the fatty liver. We herein report a case of segmental sparing due to the portal tumor thrombus extending from the metastatic liver tumor. The present case demonstrates characteristic computer-associated tomographic findings, a distal oval hypodense tumor with proximal "crescent-shaped sparing", which may indicate underlying portal tumor thrombus at the apex of the sparing.

Publication types

  • Case Reports

MeSH terms

  • Adenocarcinoma / diagnostic imaging*
  • Adenocarcinoma / pathology*
  • Adenocarcinoma / secondary
  • Humans
  • Liver Neoplasms / diagnostic imaging*
  • Liver Neoplasms / pathology*
  • Liver Neoplasms / secondary
  • Male
  • Middle Aged
  • Neoplastic Cells, Circulating*
  • Portal Vein*
  • Rectal Neoplasms / pathology
  • Tomography, X-Ray Computed*