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Usually, harvesting free flap in the limbs creates an inevitable sequence of aesthetic damage not only in the donor site but also in the area of the graft used to repair the free flap donor site. Aim of the study was to standardize a simple method, defined Autonomous Reparative Unit, that allows closing of the donor site defects with a skin graft from the adjacent cutaneous area, avoiding further aesthetic damage in a third area. We define the "Autonomous Reparative Unit" as the rectangular shaped skin area of the flap and the dermoepidermic skin graft designed as an isoscele triangle with the base adjacent to the smaller side of the flap defect. From 2003 to 2008, at the Fondazione IRCCS Istituto Nationale Tumori of Milan, 143 free radial forearm flaps and 42 free osteofasciocutaneous fibula flaps have been performed for head and neck cancer. The autonomous reparative unit has been applicable in 177 cases (92.1%). The autonomous reparative unit method allows a "standard"primary reconstructive unit to be created which can be used in a single or in multiple ways thus avoiding an additional surgical scar and a subsequent additional aesthetic impairment.

We present our 14-year experience of free tissue transfer following surgery for head and neck neoplasm. We evaluated 346 patients mean age 57 years, 65% had squamous cell carcinoma; the most frequent sites were oral cavity and mandible (168) craniomaxillo facial region (94) pharynx +/- cervical oesophagus and oropharyngostomes (84). In 327 (95%) cases the reconstruction was a success. Flap revision was necessary in 29 (8.4% of total) and recovery was successful in 10/29. Nine patients (2.6%) died perioperatively. Poor preoperative condition, previous treatment, and requirement for vein graft were significantly associated with increased risk of major complications after surgery. Cosmetic and functional outcomes were assessed on 1-10 scales: 69 and 77% of patients, respectively, had cosmetic and functional results in the 7-10 range, indicating successful outcome. Overall survival probabilities, estimated on 338 patients with malignant disease, were 53% at 2 years and 32% at 5 years. Most patients, but not all, had advanced disease stage, and 188 (54%) had recurrent disease. Hence, overall survival rates are acceptable and justify the use of complex reconstruction procedures in such patients.