Inheritance of congenital pyloric stenosis.

In a previous paper (Carter, 1961) reference was made to the pathology and clinical features of con- genital pyloric stenosis. This is the commonest condition requiring abdominal surgery in infancy. In this series the mean age of treatment was 7 weeks, and no case was treated after 18 weeks. The con- Received February 7, 1969. ferred to as the supplementary series). The inci- dence in children of the index patients in the main series may be compared with the incidence in sibs of the supplementary series without bias from changes in accuracy of diagnosis.