CTICasesForegut Duplication Cyst and Tracheal Leiomyoma
Imaging findings
CT chest shows a well-defined, fluid-attenuation right paratracheal mass (foregut duplication cyst) and an incidental, small, homogeneous soft-tissue nodule arising from the posterior membranous wall of the trachea (leiomyoma).
Key takeaways
Incidental tracheal nodules are rare. Leiomyomas can arise from the smooth muscle of the posterior trachealis muscle. Finding concurrent congenital anomalies (like a foregut duplication cyst) is common, and tissue biopsy is required to exclude malignant lesions.
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