A fifty-five-year-old woman had worried about dyspnea for three years. A chest x-ray appeared normal except for hypovascularity of the upper lung field. On angiograms, a wedge-shaped obstruction was observed at the left proximal pulmonary artery, and well-developed collateral circulation from the right thoracic artery to the internal costal arteries was observed. On the exercise test, exertional dyspnea developed with tachycardia and a decreased saturation of arterial oxygen.
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References
1.
Arvidsson H. , Carlsson E., Hartmann A., et al: Supravalvular stenosis of the pulmonary arteries. Acta Radiologica56:466-480, 1961.
2.
Franch RH, Gay BB: Congenital stenosis of the pulmonary artery branches. Am J Cardiol35:512-529, 1963.
