Liver and intrahepatic bile ducts - tumor
Benign tumors / conditions

Author: Deepali Jain, M.D. (see Authors page)

Revised: 17 November 2017, last major update February 2012

Copyright: (c) 2002-2017,, Inc.

PubMed Search: Paraganglioma liver[TI]

Cite this page: Jain, D. Paraganglioma. website. Accessed March 22nd, 2018.
Definition / general
  • Very rare benign tumor that may arise from adrenal rests
Case reports
  • Excision
Gross description
  • Firm, pale gray nodule with variable fibrosis and thin fibrous capsule, large (~ 10 cm); no cirrhosis
Microscopic (histologic) description
  • Polygonal eosinophilic tumor cells, round nuclei, indistinct nucleoli, arranged in small nests (Zellballen) or trabeculae in vascular stroma
  • No pleomorphism, no mitotic figures
Positive stains
Negative stains
Differential diagnosis