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.