Transoral diode laser-assisted resection of a tongue base schwannoma.

Schwannomas are benign peripheral nerve sheath tumours with a low risk of malignant transformation. About 25%-40% are in the head and neck region with the posterior third of the tongue being a rather rare site of its growth, and a lesion at this site is understandably difficult to approach and treat. Being benign and encapsulated, surgical excision is in the mainstay of treatment. Symptoms can range from a globus pharyngeus and dysphagia to airway compromise depending on the size and site. Traditionally, a paramedian lip split approach with paramedian mandibulotomy and mandible swing may be used. However, some recent reports of the use of carbon dioxide laser and robotic surgery for tongue base lesions are seen in the literature. Our case report is a unique addition to the management strategies for such tongue base lesions as we employed diode 980 nm laser using a minimally invasive transoral approach with a successful outcome.

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Competing interests: None declared.