Breadcrumb Home Submental Flap for Oral Cavity Defect - Clinical Case Example Monday, May 1, 2017 Image Gallery Clinical Images T2 tongue cancer with extensive submucosal extension necessitating hemiglossectomy Design of flap around identified cutaneous perforators Flap after completion of elevation and lymphadenectomy. Note careful skeletonization of pedicle in this case of oral cancer. Flap after inset. Flap was tunneled behind the mylohyoid muscle into oral cavity. Submental flap 3 months post-operatively Gallery