Gastrointestinal zygomycotic infection caused by Basidiobolus ranarum: case report and review.

Basidiobolus species are filamentous fungi belonging to the order Entomophthorales. Unlike other zygomycetes, Basidiobolus species have been mainly associated with a tropical form of subcutaneous zygomycosis in otherwise healthy individuals. Visceral disease caused by this pathogen is rare, but cases of gastrointestinal infection with Basidiobolus ranarum have been reported worldwide. In many of these reports, the inflammatory disease of the colon has been confused with Crohn's disease. We report the third case of B. ranarum gastrointestinal infection in the United States, which was initially treated as inflammatory bowel disease.

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