[Fibromatoses in orthopedics--what is certain?].

Based on a cauistic observation, a survey of the rare fibromatoses and desmoid fibromas, respectively, is given from the orthopaedic aspect. Considerable risk factors may be present by incorrect interpretation of these tumors, concerning the differential diagnosis which can be problematic as opposed to harmless fibrosis and highly malignant fibrosarcoma. Thus, a detailed knowledge of these semi-malignant neoplasms is imperative for orthopaedic surgeons, although they will opposite to the more frequent abdominal localizations found in surgical medicine, expect rarely find affected the extremities and the area of the dorsal scapular arch, respectively by fibromatoses.