Acanthamoeba Infection Differential Diagnoses

Updated: Jul 06, 2021
  • Author: Theresa M Fiorito, MD, MS, FAAP, CTH®; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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DDx

Diagnostic Considerations

Acanthamoeba infection should be considered in the differential diagnosis of patients with contact lenses and ocular complaints, or as a cause of encephalopathy among chronically immunocompromised patients.

GAE/disseminated disease:

Primary amoebic meningoencephalitis (PAM) caused by Naegleria or Balamuthia species

Toxoplasmosis

Primary CNS lymphoma

Tuberculosis

Neurocysticercosis

Nocardiosis

Aspergillosis

Bacterial brain abscesses

AK:

Bacterial conjunctivitis (Pink Eye)

Herpes Simplex Virus (HSV) keratitis

Fungal keratitis

Differential Diagnoses