The in vitro evaluation of a local pedicled osteomyocutaneous mandibular flap for the reconstruction of composite mandibular defects

Purpose: The purpose of this study was to develop and assess the potential feasibility of reconstructing composite defects of the mandible with a loca l pedicled osteomyocutaneous mandibular flap. Materials and Methods: The flap design was established based on anatomic pr inciples. A prospective evaluation of the flap was then performed in a fres h cadaver model, and, subsequently, its vascular integrity was documented w ith angiography. Results: The pedicled osteomyocutaneous mandibular flap was technically sim ple to raise and had an exceptionally long are of rotation, which should en able it to fill most compound segmental defects of the mandible. Angiograph ic studies of the harvested flaps done under fluoroscopic guidance confirme d that excellent vascularity of all components of the flap was present. Conclusions: The pedicled osteomyocutaneous mandibular flap appears to have a sound anatomic basis. Clinical evaluation is needed to fully elucidate i ts potential role in head and neck reconstruction.