CTICasesTracheal Leiomyosarcoma
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Imaging findings
Chest radiograph shows a subtle opacity overlying the trachea. CT reveals a sessile mass arising from the posterior membrane of the trachea, extending into the tracheal lumen, with suspected posterior extension into adjacent mediastinal tissues.
Key takeaways
Tracheal leiomyosarcoma is a rare but possible cause of tracheal obstruction, presumed to arise from the trachealis muscle. Any adult with new onset stridor or wheezing should have foreign body or tumor in the differential.
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