Results Bronchial Dieulafoy's disease is extremely rare, characterized by the erosion of an anomalous artery in the submucosa of bronchus. The etiology of Dieulafoy's disease of bronchus is still unknown, but congenital vascular malformation and airway chronic inflammation or bronchial injury have been postulated. 结果支气管Dieulafoy病是一种罕见病,以支气管黏膜下畸形的动脉破裂出血为病理特征,其病因及发病机制尚不清楚,可能与支气管肺动脉先天发育异常、气道慢性炎症或损伤有关。