[Renal malacoplakia. Report of a new case]

The malacoplakia is an infrequent granulomatous inflammatory disease which pathogenesis is not well understood and affects predominantly the genitourinary system, through every organ can be affected. We present a case of unilateral renal malacoplakia in a male that made ist debut with septic shock and perinephritic abscess. It was operated under the suspicious diagnostic of renal neoplasm. The histologic study grave us the diagnosis of renal malacoplakia extending until the skin. After nephrectomy and medical treatment the patient had an uneventful course.