[A case report of non-specific granulomatous prostatitis: successful treatment with chlormadinone acetate].

A case of non-specific granulomatous prostatitis is presented. A 61-year-old male consulted a doctor with the chief complaint of dysuria. For suspicion of prostate cancer, he was referred to our hospital. A digital examination showed stony hard prostate gland which was asymmetrically enlarged to hen's egg size with an irregular surface. Since biopsy specimen from the prostate showed eosinophilic granulation without fibrinoid necrosis, the case was diagnosed as simple nonspecific granulomatous prostatitis. After oral administration of chlormadinone acetate (CMA), he showed a remarkable increase in urinary stream. The findings of urethrogram and prostatic sonogram demonstrated dramatic improvement. He has remained asymptomatic for 29 months without any further treatment. Therefore, CMA could be effective against granulomatous prostatitis.