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PYLORIC STENOSIS IN TWINS

1947; American Medical Association; Volume: 73; Issue: 3 Linguagem: Inglês

10.1001/archpedi.1947.02020380079006

2374-2976

J. HOWARD LAUBSCHER,

Gastrointestinal disorders and treatments

OCCURRENCE OF PYLORIC STENOSIS IN MONOVULAR AND BINOVULAR TWINS MOORE,1in 1924, reported hypertrophic pyloric stenosis affecting each of monovular twins. He found no previous reports of the occurrence of this disease in 1 or both twins. This condition has subsequently been recorded in 53 sets of twins which are listed in table 1. Sheldon2first noted that pyloric stenosis affects uniovular twins, both infants show the condition, and when pyloric stenosis affects binovular twins, the disease is likely to occur only in 1 twin. Three exceptions to this rule have been reported previously. As shown in table 2, the twins reported on by Lasch3are an exception to the first part of this rule, and Sheldon2reported the only other recorded instance in which only 1 of monovular twins had pyloric stenosis while the other twin was not affected and showed no signs of asymptomatic