What are the hepatosplenic features of visceral leishmaniasis?

Updated: Feb 18, 2020
  • Author: Craig G Stark, MD, FACP, FFTM, RCPS(Glasg), FISTM; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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Answer

The spleen is enlarged, with a thickening of the capsule, it is soft and fragile, its vascular spaces are dilated and engorged with blood, and the reticular cells of Billroth are markedly increased and packed with amastigote forms of the parasite. However, no evidence of fibrosis is present.

In the liver, the Kupffer cells are increased in size and number and infected with amastigote forms of Leishmania. The bone marrow is hyperplastic, and parasitized macrophages replace the normal hemopoietic tissue.


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