Abstract
Tracheobronchomegaly (TBM) (Mounier–Kuhn syndrome) is dilatation of the trachea and major bronchi because of atrophy or absence of elastic fibers and smooth muscle cells. We present a case of TBM with refractory lower respiratory infection and haemoptysis. The patient was a 53-year-old man with recurrent haemoptysis and without fever, wheezes, chest pain, weight loss or any respiratory disease. Chest helical computed tomography (CT) scan showed tracheomegaly with transversal diameters of the trachea of 50 mm. A bronchoscopy was performed and revealed markedly enlarged airways and traces of bleeding arising from the right airways. The haemoptysis was stopped only after bronchial artery embolization.
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