Obstructive Supraglottic Schwannoma: A Case Report and Review of the Literature

Abstract

Median thyrotomy has proven to be safe and successful in the treatment of supraglottic schwannoma.

Laryngeal Schwannoma Excision by Lateral Pharyngotomy

“…9 Also, laryngeal cysts and internal laryngocele should be taken into consideration. 5 Our differential diagnosis at the end of clinical examination were neurogenic tumor vs laryngeal cyst, found contrast enhancing solid lesion in CT neck. The surgical separation of the tumor from the nerve is theoretically possible in schwannoma, while in neurofibroma it is impossible.…”

“…7 CT scan of the neck shows a well-defined, hypodense submucosal mass without signs of infiltrative or destructive growth with heterogeneous contrast enhancement. 5 On MRI scanning, the lesion is expected isointense to slightly hyperintense in T1-weighted images with strong, inhomogeneous enhancement of gadolinium, in T2 the lesion is hyperintense. 8 The differential diagnoses of neurogenic tumors of the larynx include chondroma and adenoma.…”

“…One case of asphyxial death due to laryngeal schwannoma is reported. 4 The true vocal cord on the affected side is usually immobile or hypomobile 5 from the bulk of the tumor, although some authors report normal mobility. 6 In many cases the bulky supraglottic tumor obstructs the view of the true vocal cord on one or both sides, as in this case total laryngeal inlet is obscured by the mass.…”

An Unusual Cause of Sleep Apnea: Laryngeal Schwannoma

“…Wide excision of laryngeal schwannoma is necessary to prevent recurrence. Incomplete excision of the tumor may result in rapid regrowth and airway compromise 10 .…”

Kliniğimizde tedavileri yapılan baş ve boyun schwannomlu olgular

“…Schwannom olgularında ağrı ve parestezi görüldüğünde malignite olasılığı mutlaka ekarte edilmelidir. Schwannomların bir diğer tipik klinik özelliği de nörolojik defisitlerdir; eğer tümör fasiyal sinire ulaşırsa fasiyal paraliziye, vagal siniri tutarsa ses kısıklığına ve sensorial sinirlere ulaşır ise ağrıya neden olabilir [14]. Bizim olgularımızın da en sık görülen semptomları boyunda şişlik ve baş ağrısı olmakla birlikte literatürde pek rastlamadığımız ağız içinde şişlik, kulakta çınlama ve yanakta şişlik gibi nadir yakınmaları da mevcuttu.…”