Abstract
Laryngeal schwannoma is a rare benign tumor of the larynx, with a high recurrence rate. The present study reports the case of a 36-year-old male patient with a two-week history of hoarseness. Electronic laryngoscopy revealed that there was a submucosal mass at the level of the right supraglottic area. A computed tomography scan of the larynx showed an 8×11-mm expansile mass in the right supraglottic area. Histopathological examination diagnosed a schwannoma of the larynx. The tumor was removed by CO2 laser through an endoscopic transoral approach. One year later, the patient remained symptom-free and direct examination of the larynx showed no signs of recurrence. The aim of the present study is to highlight this rare disease and its management options to the otolaryngological community.
Highlights
Schwannomas are a type of uncommon benign nerve sheath tumor originating from the Schwann cells of the neural crest and accounting for ~5% of all head and neck tumors [1]
Schwannomas always present as encapsulated, firm, slow‐growing and painless masses, the majority of which are located in the parotid gland or infratemporal fossa
Examples include the use of a laser scalpel in otherwise conventional surgery, and soft tissue laser surgery, in which the laser beam vaporizes soft tissue with high water content [7,8]
Summary
Schwannomas are a type of uncommon benign nerve sheath tumor originating from the Schwann cells of the neural crest and accounting for ~5% of all head and neck tumors [1]. The lasers are more precise than scalpels and the high temperature generated by the lasers aids in cleaning the edges of the body tissue that it is cutting, reducing the risk of infection and recurrence. Using this approach, the surgery time may be reduced and the healing time may be shortened. The use of a CO2 laser via a transoral approach can be applied in patients with early-stage laryngeal carcinoma and atlanto-axial vertebral chronic dislocation [15] In the present case, the tumor was resected by CO2 laser, demonstrating that safe removal of the tumor is possible using this approach, without severe injury to the laryngeal mucosa and with low recurrence
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