[Deep infection from colorectum to femur with a massive gas development in a chronic multimorbid male].

A serious complication to colorectal carcinoma is perforation and abscess. In this case report of a 75-year-old male an unusual case of deep infection in the femur secondary to colorectal perforation is described. Sepsis, leg pain and swelling may be the only symptom of intraabdominal disease without abdominalia.