PMC5234203_01
Computed tomography scan thorax showing growth in trachea lumen
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F1
Her computed tomography (CT) scan thorax [Figure 1] showed an exophytic mass from mid-trachea to 3.4 cm proximal to carina causing marked luminal obstruction.
Tracheal biopsy shows the adenoid cystic carcinoma (a) the tumor has a cribriform (arrows) and tubular pattern (x10). (b) The pseudoglandular spaces contain basophilic basement membrane - like material (x20)
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F2
Histopathology confirmed it as ACC [Figures 2a and b].
Postradiotherapy (4 months) regression of growth in computed tomography scan thorax
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F3
At 8 months postradiotherapy, the patient is asymptomatic, and her CT scan shows lobulated moderately enhancing wall thickening in the left lateral wall of mid-trachea 2.1 cm x 1.5 cm causing mild luminal narrowing [Figure 3].