PMC5760868_01
Computer tomography chest showing mass arising from posterior wall of trachea
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F1
She underwent a computer tomography (CT) of the chest which showed a mass (1.7 cm x 1.4 cm) arising from the posterior wall of trachea [Figure 1].
Bronchoscopic view of mass arising from posterior wall of trachea
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F2
She underwent a flexible bronchoscopy, which showed a hypervascular endobronchial mass with a wide base arising from the posterior wall of the trachea [Figure 2].
Tracheal glomus tumor histopathology. (a) The tumor consists of groups of uniform, round cells with oval nuclei and pale eosinophilic cytoplasm surrounding dilated vessels. Mitotic activity is absent (H and E, x340). (b) The tumor cells are positive for smooth muscle actin. (HHF-35 immunohistochemical staining, x340)
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F3
The final pathological diagnosis was glomus tumor of tracheal origin [Figure 3].