ABSTRACTBasidiobolomycosis is a chronic subcutaneous infection of the trunk and limbs due toBasidiobolus ranarum.The disease is well known in tropical areas, although recent cases of gastrointestinal basidiobolomycosis have also been reported in Arizona. We describe a young immunocompetent women who had presented with eosinophilia and lung infiltrates. She subsequently died, and diagnosis of disseminated basidiobolomycosis was made on the basis of histological features at autopsy.