peliosis hepatis

• benign, intrahepatic vascular disorder
  • a/w benign + malignant liver tumors
  • possible vasodilatory response to sex hormones
  • (?) clinical significance

• multiple endothelium-lined, blood-filled spaces
• communicate with sinusoids

• angio (parenchymal phase):
  • multiple round collections of contrast in liver (3 - 15 mm)

• DDx:
  • focal nodular hyperplasia
  • hypervascular mets
  • cavernous hemangiomata

© 2002, C.E. Kahn, Jr.
2002-04-18