AIDS related cholecystitis

Author: Hanni Gulwani, M.D. (see Authors page)

Revised: 2 February 2018, last major update September 2012

Copyright: (c) 2003-2018,, Inc.

PubMed Search: AIDS related cholecystitis gallbladder

Cite this page: Gulwani, H. AIDS related cholecystitis. website. Accessed May 23rd, 2018.
Definition / general
  • 40% have opportunistic infections (cryptosporidia, CMV, microsporidia), which are usually also present at other sites
  • Usually no opportunistic infections if HIV+ but not classified as AIDS
  • Often acalculous
Specific infections
  • Usually erosions and deep ulcers
  • Marked microscopic changes

  • Small, round, basophilic organisms at luminal epithelial border

  • Enterocytozoon bieneusi, less often Septata intestinalis
  • S. intestinalis within epithelium and lamina propria
  • Can identify with H&E stain but often missed
Case reports
Microscopic (histologic) images

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Cryptosoridium parvum