Liver and intrahepatic bile ducts - nontumor
Infectious (nonviral) disorders
Coxiella burnetii

Author: Komal Arora, M.D. (see Authors page)

Revised: 1 November 2017, last major update May 2012

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

PubMed Search: Coxiella burnetii[TI] liver

Cite this page: Arora, K. Coxiella burnetii. website. Accessed July 21st, 2018.
Definition / general
  • Rickettsia that causes Q fever, affecting respiratory tract and liver
Microscopic (histologic) description
  • Granulomas have central vacuole surrounded by hyaline ring ("doughnut" granulomas, may not be present in every section)
  • Portal and lobular lymphohistiocytic infiltrate, hepatocellular necrosis, steatosis
Differential diagnosis
Additional references