A case of renal zygomycosis due to Absidia corymbifera in an heroin ad
dict suffering from AIDS (phase IV C2) is described. Diagnosis was by
histopathology after nephrectomy, but A. corymbifera was isolated seve
ral times from urine and from the exudate from a fistula in the surgic
al wound. After amphotericin B treatment (1.5 g overall dose) clinical
cure and negative cultures were obtained. No relapses were observed u
ntil death 1 year later from Pneumocystis carinii pneumonia.