What are Acanthamoeba and Balamuthia granulomatous amebic encephalitis?

Updated: Jul 16, 2019
  • Author: Rodrigo Hasbun, MD, MPH; Chief Editor: Michael Stuart Bronze, MD  more...
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Acanthamoeba and Balamuthia cause granulomatous amebic encephalitis, which is a subacute opportunistic infection that spreads hematogenously from the primary site of infection (skin or lungs) to the CNS and causes an encephalitis syndrome. These cases can be difficult to distinguish from culture-negative meningitis.

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