Desmoid (synonym desmoidnyi fibroma) is a tumor originating from intermuscular connective tissue, aponeurosis and fascia. Desmoid - single, dense, painless swelling, located mostly in the lower abdominal wall. When the voltage of the abdominal muscles tumor probed clearer; tumors of abdominal cavity under such conditions are not specified. The clinical course of desmoid is intermediate between benign leaking fibroids and malignant fibrosarcoma, as it can recur. Treatment and surgery.