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Liver and intrahepatic bile ducts-nontumor

Infectious (non-viral) disorders

Coxiella burnetii


Reviewers: Komal Arora, M.D. (see Reviewers page)
Revised: 12 May 2012, last major update May 2012
Copyright: (c) 2004-2012, PathologyOutlines.com, Inc.

General
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● Rickettsia that causes Q fever, affecting respiratory tract and liver

Micro description
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● 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 (central vacuole)
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● CMV, staphylococcus, allopurinol toxicity, Hodgkin’s lymphoma, toxoplasmosis

Additional references
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Gastroenterology 1982;83:474

End of Liver and intrahepatic bile ducts-nontumor > Infectious (non-viral) disorders > Coxiella burnetii


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