Correct!
2. Bronchoscopy
There is little to suggest pulmonary emboli and a pulmonary CT angiogram will be low yield. It seems unlikely that antibiotics and prednisone her dyspnea especially given the CT findings. The best choice is bronchoscopy. The thoracic CT scan shows narrowing of the left mainstem bronchus and left lung volume loss suggesting a mass.
Bronchoscopy was performed and shows a mass in the left mainstem bronchus (Figure 3).
Figure 3. Bronchoscopy beginning just below carina (A) and proceeding towards the mass.
Biopsy of the lesion is shown in Figure 4.
Figure 4. Histopathology of left airway mass. A & B: H & E staining under low power. C: H & E under high power. D: High power showing positive immunohistology staining for CD-117 and SOX10.
The histopathology was consistent with adenoid cystic carcinoma (1,2).
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