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1 Mayo Clinic and Mayo Foundation: Section of Roentgenology
2 Mayo Clinic and Mayo Foundation: Section of Experimental and Anatomic Pathology
3 Mayo Clinic and Mayo Foundation: Section of Pediatrics
4 Mayo Graduate School of Medicine (University of Minnesota), Rochester: Resident in Radiology
The roentgenographic and angiocardiographic features of congenital valvular, supravalvular, and subvalvular aortic stenosis have been reviewed and described.
The single most common roentgenographic finding in this group of conditions was left ventricular enlargement. Poststenotic dilatation of the ascending aorta was frequently discernible on the roentgenograms of the chest of patients having congenital valvular stenosis, but it was not detected in patients having isolated supravalvular or subvalvular stenosis. Left atrial enlargement was common in subvalvular stenosis, was infrequently encountered in valvular stenosis, and was not detectable in any cases of supravalvular stenosis.
The pathologic anatomy of the various types of congenital aortic stenosis was well demonstrated in all instances by means of large-film biplane selective angiocardiography.
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