Fig. 2From: Diagnosis and management of hypoglossal nerve-derived schwannoma in the floor of mouth: a case seriesPerioperative clinical photograph. A–D. The mass was removed through an intraoral approach. B The mass was well- encapsulated and removed as a whole. C, D The tumor and sublingual gland were clearly demarcated, allowing the duct and sublingual gland to be preserved. The branch of the hypoglossal nerve was cut, while the trunks of the hypoglossal and lingual nerves were preserved. E, F. Postoperative photograph of main massBack to article page