case_images: PMC5234203_01
case_images: Computed tomography scan thorax showing growth in trachea lumen
case_images: LI-34-73-g001.jpg
case_images: PMC5234203_01_LI-34-73-g001.jpg
case_images: F1
case_images: 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.
case_images: 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)
case_images: LI-34-73-g002.jpg
case_images: PMC5234203_01_LI-34-73-g002.jpg
case_images: F2
case_images: Histopathology confirmed it as ACC [Figures 2a and b].
case_images: Postradiotherapy (4 months) regression of growth in computed tomography scan thorax
case_images: LI-34-73-g003.jpg
case_images: PMC5234203_01_LI-34-73-g003.jpg
case_images: F3
case_images: 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].