Vermamoeba vermiformis causing primary amoebic meningoencephalitis - A diagnostic challenge.

Amoebic meningo-encephalitis is difficult to diagnose because the clinical signs of the disease mimic bacterial meningitis, compared to which it progresses rapidly towards a fatal outcome. Diagnosis is possible by cerebro-spinal fluid (CSF) wet mount examination. Two confirmed cases of amoebic meningoencephalitis from Kerala state India are presented.