How is microsporidiosis in HIV infection diagnosed?

Updated: Jul 21, 2021
  • Author: Luca Rosignoli, MD; Chief Editor: Andrew A Dahl, MD, FACS  more...
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Spores, sporoblasts, meronts, and sporonts can be identified in conjunctival or corneal scrapings from affected patients. The spores are Gram positive and acid-fast by staining. Microsporidia are very difficult to culture, but they are seen readily within corneal or conjunctival epithelial cells with the use of Masson trichrome or Giemsa staining. The diagnosis may be aided by the use of electron microscopy and confocal microscopy in vivo.

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