The condition can be difficult for doctors to diagnose, because it is a rare disease. A brain biopsy will reveal the presence of infection by pathogenic amoebas. In<unk> , these present as general inflammation and sparse granules. On microscopic examination, infiltrates of amoebic cysts and/or trophozoites will be visible.
Granulomatous amoebic encephalitis
Sappinia amoebic encephalitis
Japanese encephalitis
Eastern equine encephalitis
Rasmussen's encephalitis
Tick-borne encephalitis
Herpesviral encephalitis
La Crosse encephalitis