DONALD W. INGHAM, M.D.
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Congenital malformations of the semilunar valves are relatively infrequent and usually consist of a variation in the number of cusps. Acquired malformations are seldom found, but must be carefully distinguished from the congenital form.
Simonds, in 1923, collected 209 records of cases of alteration in the number of cusps. In his paper on this subject, he reported his series together with those of three other investigators, a total of 43 cases discovered in the course of 15,666 postmortem examinations. Abbott, in 1932, in her tabulation of 1000 cases, reported 43 instances in which the defects were unaccompanied by other lesions
INGHAM DW. CONGENITAL MALFORMATIONS OF THE PULMONIC AND AORTIC VALVES*. Ann Intern Med. 1938;12:609–613. doi: https://doi.org/10.7326/0003-4819-12-5-609
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Published: Ann Intern Med. 1938;12(5):609-613.
Cardiology, Valvular Heart Disease.
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