Figure 3. Gross finding A) The excised trachea with en-bloc left thyroid lobe, *T- superior pole of left thyroid lobe, *S- superior margin of the trachea, *I-inferior margin of trachea, *E- extraluminal component of the schwannoma abutting the left thyroid lobe B) Intraluminal component of schwannoma demonstrating growth after laser ablation( shown by the arrow).
Microscopically, hypercellular Antoni A and hypocellular Antoni B areas were noted with foci of nuclear palisading forming verocay bodies(Figure 5). Tumor was S-100 protein and Vimentin positive. Follow up CT scan and bronchoscopy in 6 months showed healed anastomotic site and in 1 year no growth/ recurrence was noted.