Читать книгу Essential Cases in Head and Neck Oncology - Группа авторов - Страница 35

 Cancers of the lip mucosa continue to be staged as cancers of the oral cavity, while cancers of the external vermillion lip are now staged as cutaneous carcinomas.

 Primary radiotherapy can offer equivalent oncologic outcomes to surgical resection for early stage tumors.

 Extensive, superficial lower lip cancers are good candidates for primary radiotherapy as they avoid the potential high morbidity of surgical resection.

 Total lower lip defects require the recruitment of additional tissue to recreate the lip, thereby minimizing the degree of microstomia.

 The Bernard and Webster flaps recruit tissue from the cheek and buccal mucosa to reconstruct the lower lip and are therefore ideal for total or subtotal lip defects.

 SLNB has been shown to be feasible and effective in patients with lip tumors who may be at high risk of metastases based on tumor size and depth.

 Due to extensive lymphatic drainage from the upper lip and commissure, tumors of these subsites have a higher incidence of lymph node metastases at the time of diagnosis.