Newborn with vomiting Pediatric Imaging Gastrointestinal February 15, 2019July 16, 2019 AP image from an upper GI exam shows dilation of the duodenum and extreme dilation of the proximal jejunum. There was no distal passage of contrast on delayed images. The diagnosis was jejunal atresia. Related Published February 15, 2019July 16, 2019