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[Secondary abnormal development of the bronchial artery: report of a case].

A 65-year-old man was admitted to our hospital because of massive hemoptysis. The patient had suffered from pneumonia since 1999, but he had refused to undertake further examinations. In 2002, the patient was transferred to our emergency room because of massive hemoptysis. Following endotracheal intubation, the patient underwent bronchial artery embolization. The X-ray and computed tomography (CT) films on admission revealed localized bronchiectasis in the left upper lung. Bronchoscopic findings revealed massive bleeding from the left upper bronchus. Bronchial arteriography of the left bronchial artery showed peripherally hypervascular finding in the left upper lobe. A segmentectomy of the left upper division was performed as a radical therapy for localized lesions with massive hemoptysis. The pathological diagnosis was secondary abnormal development of the bronchial artery. We speculated that massive hemoptysis had occurred probably due to infection in the focus.