Liver and intrahepatic bile ducts - tumor
Benign tumors / conditions

Topic Completed: 1 February 2012

Revised: 25 January 2019, last major update February 2012

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

PubMed Search: Paraganglioma liver[TI]

Deepali Jain, M.D.
Page views in 2019: 286
Page views in 2020 to date: 44
Cite this page: Jain D. Paraganglioma. website. Accessed February 27th, 2020.
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
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