A case of idiopathic granulomatous orchitis in a 37-year-old Nigerian male is discussed. He presented with a history of pain and swelling of left testis of three weeks duration. A clinical impression of tumor of the testis was made followed by orchidectomy. A systemic review failed to show evidence of any infective proccess. Histology showed non-caseating tuberculoid granulomas replacing the seminiferous tubules.