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폐농양 치료 후 발생한 치명적 대량 객혈을 동반한 폐동맥가성동맥류
배종욱 ( Jong Wook Bae ),김세원 ( Se Weon Kim ),김영민 ( Young Min Kim ),조병욱 ( Byeongwook Cho ),이현재 ( Hyunjae Lee ),국경욱 ( Kyong Wook Kuk ),홍구현 ( Goohyeon Hong ) 대한내과학회 2016 대한내과학회지 Vol.90 No.4
Pulmonary artery pseudoaneurysm (PAP) is a very rare vascular abnormality and is often caused at least in part by infection. While Mycobacterium tuberculosis is a relatively common cause of PAP, it can also result from a lung abscess. Aneurysm rupture resulting in massive hemoptysis is potentially fatal, with death caused by aspiration of blood and consequent asphyxiation. We admitted a 55-year-old man with massive hemoptysis. He had been treated with intravenous antibiotics for three weeks after diagnosing a lung abscess. Contrast-enhanced chest computed tomography revealed a pseudoaneurysm inside the abscess. Diagnostic catheter pulmonary angiography confirmed the diagnosis of pseudoaneurysm of the pulmonary artery. Embolization successfully controlled the airway bleeding. However, the patient died of acute respiratory failure on the seventh hospital day. When hemoptysis is due to sustained inflammation, such as a lung abscess, bleeding from the pulmonary artery should be considered. (Korean J Med 2016;90:341-345)