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Tracheopathia osteochondroplastica is an uncommon abnormality of the cartilaginous tracheal wall, characterized by the presence of osteocartilaginous calcified nodules within the submucosa, with variable degree of diffuse tracheal narrowing. Imaging findings in CT are characterized by the presence of calcified nodular densities protruding into the tracheal lumen, with an abnormally irregular tracheal morphology and often decreased lateral diameter. This can extend to the proximal main stem bronchi. CT is the imaging modality of choice in this entity. The clinical manifestations, as well as the imaging findings, in 4 cases are reviewed.

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