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유경희(Gyung Hi Yu),홍수종(Soo Jong Hong),김영휘(Yung Hwi Kim),박인숙(In Sook Park),문형남(Hyung Nam Moon),홍창의(Chang Yee Hong),유시준(Shi Joon Yoo) 대한소아알레르기호흡기학회 1994 소아알레르기 및 호흡기학회지 Vol.4 No.1
The Unilateral Absence of a Pulmonary Artery(UAPA) is an uncommon congenital anomaly. The diagnosis may be suspected from chest roentgenogram and confirmed by pulmonary arteriography. UAPA is frequently associated with other anomalies of the cardiovascular system such as patent ductus arteriosus and tetralogy of Fallot. When it occurs as an isolated anomaly, patients are more frequently asymtomatic, while and only a minority of cases develop pulmonary hypertension. We report an asymptomatic case of UAPA in an 1-year-old girl. Her chest X-ray revealed reduction of volume of right lung with shifting of the heart and mediastinum to the right side and elevation of the right hemidiaphragm. There was the differrence in the vascularity between the two lung fields, and the right hilar shadow was absent. Her lung perfusion scan revealed total perfusion defect of right lung. The diagnosis of UAPA was confirmed by pulmonary arteriography,