A rare case of renal eventration in a domestic cat.

This case report discusses a unique case of renal eventration in a cat resulting from a lumbar hernia possibly of traumatic origin. A two-year-old indoor/outdoor male neutered domestic shorthair was evaluated for a rapidly growing mass noted in the right lumbar region. Initial physical examination revealed a firm, circular and slightly mobile mass in the lumbar region, along with pain and tenderness on palpation.