PMC4793276_01
CT of the neck reveals a soft tissue mass measuring 2.8 x 2.0 x 2.9 along the left lateral and anterior tracheal walls from C6 to T2-3 (white arrow).
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F1
A CT scan of his neck revealed an irregular soft tissue mass measuring 2.8 x 2.0 x 2.9 cm extending from the left lateral and anterior tracheal walls, with involvement of the tracheal cartilage, extending from vertebral level C6 to T2-3 (Figure 1).
Intraoperative photo demonstrates the tracheal lesion along the left lateral and anterior tracheal walls.
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F2
Intraoperatively, he was noted to have a diffuse subglottic and tracheal mass leading to significant tracheal stenosis (Figure 2).
Congo red stain of tissue demonstrates classic findings consistent with amyloidosis (white arrow).
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F3
A Congo red stain highlighted the amorphous deposits which demonstrated apple-green birefringence using polarized light microscopy (Figure 3), consistent with amyloidosis.