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Tracheobronchopathia osteochondroplastica (TO) is a rare idiopathic and benign disease that is often underdiagnosed. TO is characterized by multiple submucosal cartilaginous and osseous tracheobronchial nodules that spare the posterior wall. It usually affects the elderly, developing when the person is around 60 years old without gender preference and has a reported incidence of 0.11%. TO can be symptomatic and should be considered in patients with chronic cough, dyspnea, and recurrent pulmonary infections. Diagnosis is usually incidental by computed tomography or bronchoscopy, the latter being the gold standard diagnostic test for TO. Many thoracic imagers are not well acquainted with TO; thus, these patients are often underdiagnosed or misdiagnosed. We came across 5 patients in our institution who were incidentally diagnosed with TO, inspiring us to review the available literature on this disease. A total of 33 patients diagnosed with TO between 2009 and 2019 were identified by our retrospective review. Clinical and imaging data were collected on these patients. We also included the clinical, radiological, and endoscopic data of our 5 cases. TO should be considered in patients with chronic cough, dyspnea, and recurrent pulmonary infections. Our experience is that both computed tomography and bronchoscopy can be used to make a reliable diagnosis. It is crucial for physicians, especially radiologists and pulmonologists, to be aware of the existence of TO in order to ensure proper diagnosis.

Tracheobronchopathia Osteochondroplastica—Clinical, Radiological, and Endoscopic Correlation: Case Series and Literature Review