[Obstructive anuria due to fungus balls. Report of 3 cases]

Fungus balls as a cause of upper urinary tract obstruction are rare, with less than 60 cases reported in the literature. We herein describe three cases or secondary anuria caused by Candida infection of the upper urinary tract. The first case was observed in a patient with a transplanted kidney, the second in a diabetic patient and the third in a. patient suffering from chronic Kidney failure. The treatment consisted of urinary drainage, identification of the infectious organism and appropriate antifungal treatment.