CTICasesTracheobronchopathia Osteochondroplastica
Imaging findings
Virtual bronchoscopy and CT reveal multiple broad-based, submucosal cartilaginous/bony nodules projecting into the tracheal lumen along the anterior and lateral walls, conspicuously sparing the posterior membranous wall.
Key takeaways
Tracheobronchopathia osteochondroplastica (TPO) is a benign, often asymptomatic disease characterized by submucosal osteocartilaginous nodules in the trachea. Sparing of the posterior membranous wall is the classic key imaging feature that distinguishes it from other tracheobronchial diseases like amyloidosis or relapsing polychondritis.
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