Liver and intrahepatic bile ducts - nontumor
Infectious (nonviral) disorders
Orientia tsutsugamushi



Topic Completed: 1 May 2012

Revised: 23 January 2019, last major update May 2012

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PubMed Search: Orientia tsutsugamushi[TIAB] liver


Komal Arora, M.D.
Page views in 2018: 61
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Cite this page: Arora K. Orientia tsutsugamushi. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/liverorientia.html. Accessed August 24th, 2019.
Definition / general
  • Formerly called Rickettsia tsutsugamushi
  • Rickettsiael agent of scrub typhus, a chigger borne zoonosis highly prevalent and life threatening in tropical Asia and islands of western Pacific Ocean
  • Present within liver and spleen macrophages and cardiac muscle cells
  • Also endothelial cells of heart, lung, brain, kidney, pancreas, skin
  • Transmitted to humans via larval mite (chigger) during feeding
Additional references
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