Diagnostic Findings [Last Modified: ]
Microsporidiosis
[Brachiola spp.] [Encephalitozoon cuniculi] [Encephalitozoon hellem]
[Encephalitozoon intestinalis (
syn. Septata intestinalis)]
[Enterocytozoon bieneusi] [Nosema
spp.] [Pleistophora sp.]
[Trachipleistophora
spp.] [Vittaforma corneae (syn. Nosema corneum)]

Causal Agent Life Cycle Geographic Distribution Clinical Features Laboratory Diagnosis Treatment

Transmission electron microscopy

Enterocytozoon bieneusi spore
A

A: Electron micrograph of an Enterocytozoon bieneusi spore.  Arrows indicate the double rows of polar tubule coils in cross-section which characterize a mature E. bieneusi spore.

Eukaryotic cell with E. intestinalis spores
B

B: Electron micrograph of an eukaryotic cell with Encephalitozoon intestinalis spores and developing forms inside a septated parasitophorous vacuole.  This is a characteristic feature of this microsporidian species.

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