PMC4919678_01
Contrast-enhanced axial computed tomography (CT) scan of neck shows a broad-based soft tissue mass arising from posterior and right side wall wall of trachea causing near total luminal narrowing and having both intraluminal and extraluminal components
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The sagittal and coronal reconstruction CT scan of trachea showed a soft tissue image in subglottic trachea (Figure 1, Figure 2).
Sagittal reformatted CT images of neck show longitudinal extent of tumor located at upper end of trachea
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The sagittal and coronal reconstruction CT scan of trachea showed a soft tissue image in subglottic trachea (Figure 1, Figure 2).
Intraoperative appearance of the tracheal resection with intraluminal tumor
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At last a tracheal tumor removal surgery and reconstruction was performed under general anesthesia, and showed the tumor with size of 2 cm x 1 cm was located between arch of first and fourth tracheal ring (Figure 3).
Photomicrograph showing histological features of adenoid cystic carcinoma with uniform hyper chromatic basaloid cells arranged in typical cribriform pattern and surrounding acellular spaces containing mucoid and hyaline material (Hematoxylin-eosin staining x250)
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Perineural invasion is observed (Figure 4).