A Rare Case of Tracheal Schwannoma Removed by Tracheal Resection

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  • 気管に発生した神経鞘腫の1切除例

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Background. Among benign tumors originating in the trachea, the incidence of schwannoma is very low. We report a man with primary tracheal schwannoma who underwent tracheal sleeve resection. Case. An asymptomatic 55-year-old man underwent a health checkup in our hospital, and his chest CT showed a mass shadow (about 15mm) with a regular margin protruding into the tracheal lumen at the level of the 3rd thoracic vertebra. MDCT (multidetector-row CT) and MRI showed no extramural spread, suggesting no lesion in the peripheral bronchi. Bronchoscopy confirmed a submucosal tumor with a smooth surface originating from the posterior tracheal wall. To enable resection, tracheal sleeve resection was performed. The lesion was approached from the neck, and the portion from the 3rd to 5th tracheal rings was resected. Pathological examination demonstrated primary tracheal schwannoma and a negative resection margin. He showed a good postoperative course and was discharged on Day 10. Results. Tracheal sleeve resection was performed for primary tracheal schwannoma. Though tumor resection using a high frequency snare has also been performed, complete resection is difficult. For complete resection of the tumor, we selected this method.

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