Differential Diagnosis
- Parasites
- Angiostrongylus cantonensis (neurologic angiostrongyliasis)
- Baylisascaris procyonis (baylisascariasis; neural larva migrans)
- Gnathostoma spinigerum (neurognathostomiasis)
- Acanthamoeba species, Balamuthia mandrillaris, and Naegleria fowleri
- Rare
- Other infections
- Coccidioidomycosis
- Visceral myiasis (CNS invasion by larvae of cattle botflies)
- Rarely, viral, rickettsial, and bacterial infections
- Tuberculosis
- Lymphocytic choriomeningitis (LCM)
- Non-infectious causes
- Hypereosinophilic syndrome
- Hodgkin lymphoma
- Other lymphoproliferative and malignant diseases
- Medications
- Ibuprofen
- Ciprofloxacin
- Septra
- Intraventricular vancomycin or gentamicin
- Post-contrast myelography
- Sarcoidosis
- Cerebral eosinophilic granuloma
