Intussusception following gastric surgery.

church bell; and (c) the outline of the upper abdomen is protuberant, while the outline of the lower abdomen is normal. (2) A soft tissue radiograph may have located the low lying placenta. Other methods of radiological diagnosis such as: (a) measuring the distance between the head and sacral promontory with the patient partially reclining and measuring the distance between the symphysis pubis and head in the erect position; and (b) cystography, would not have been any help as the head was not presenting. Amniography is not a procedure practised now. (3) Ultrasonic scanning would have helped to locate the position of the foetal head and placenta. Cases of omphalocele ruptured and unexplained have been reported on various occasions (Lothian, 1959; Williams et al., 1960; Leroux, 1961) but most of these have been diagnosed after delivery.