1999•Veterinary PathologyOpen access

Cerebral Larva Migrans in a Raccoon (Procyon lotor)

Amir N. Hamir, Daniel E. Snyder, J. Ralph Lichtenfels

Abstract

During 1997, gross and histopathologic examinations were performed on an adult female raccoon (Procyon lotor) that was live-trapped in Corvallis, Oregon. Multifocal eosinophilic granulomas indicative of neural and visceral larva migrans were observed. However, within these granulomas, the presence of parasitic larva was seen only in the cerebrum. Morphologic characteristics indicated that the nematode was an ascarid larva. However, it was smaller than the larva of Baylisascaris sp. This appears to be the first documented case of cerebral larva migrans in a raccoon.

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Key concepts: Visceral larva migrans, Larva, Larva migrans, Biology, Cerebrum, Cutaneous larva migrans, Nematode, Eosinophilic