Abstract
BackgroundNeurogenic tumors of the tracheobronchial tree are extremely rare and include neurofibroma and schwannoma. We report a case of primary recurrent tracheal schwannoma causing obstructive airway symptoms.Case presentationA 60-year-old man presented with obstructive airway symptoms due to recurrent tracheal schwannoma. Due the recurrence, size of the tumor and low surgical risk, the patient was treated with tracheal resection.ConclusionPrimary endotracheal neurogenic tumors are extremely rare, but one should consider them in the differential diagnosis of persistent upper airway symptoms. While endoscopic therapies recur nearly a quarter of the time, surgical resections do not have any recorded recurrences.
Highlights
BackgroundA bronchoscopy was performed which revealed a sessile smooth border tumor originating from the posterior wall of the trachea which obscured over 2/3 of the lumen
Neurogenic tumors of the tracheobronchial tree are extremely rare and include neurofibroma and schwannoma
We report a case of primary recurrent tracheal schwannoma causing obstructive airway symptoms
Summary
A bronchoscopy was performed which revealed a sessile smooth border tumor originating from the posterior wall of the trachea which obscured over 2/3 of the lumen. It extended three centimeters inferiorly from three centimeters distal to the vocal cords. The mucosal surface of the tumor was covered with small superficial blood vessels (Fig 3) Given his history, no biopsies were taken to avoid bleeding and potential for upper airway obstruction. The microscopic examination illustrated a spindle cell neoplasm with well-differentiated Schwann cells It had features consistent with cellular schwannoma: composed of predominantly Antoni A areas, positive for S100 protein expression diffusely, and the epithelial membrane antigen showed peripheral staining.
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