case_images: PMC7413825_01
case_images: PMC7413825_02
case_images: Dilated stomach at 5 weeks of age.
case_images: 10-1055-s-0040-1713809-i190507cr-1.jpg
case_images: PMC7413825_02_10-1055-s-0040-1713809-i190507cr-1.jpg
case_images: FI190507cr-1
case_images: A radiography and an upper gastrointestinal (GI) study were performed at 5 weeks of age, and showed a stagnation of contrast in the dilated stomach and minimal passage to the duodenum ( Figs. 1 and 2 ). 
case_images: Dilated stomach and minimal passage of the contrast to the duodenum at 5 weeks of age.
case_images: 10-1055-s-0040-1713809-i190507cr-2.jpg
case_images: PMC7413825_02_10-1055-s-0040-1713809-i190507cr-2.jpg
case_images: FI190507cr-2
case_images: A radiography and an upper gastrointestinal (GI) study were performed at 5 weeks of age, and showed a stagnation of contrast in the dilated stomach and minimal passage to the duodenum ( Figs. 1 and 2 ). 
case_images: PMC7413825_03
case_images: Laparoscopic view of the mucosal diaphragm (arrow). a, proximal part (stomach); b, distal part (duodenum).
case_images: 10-1055-s-0040-1713809-i190507cr-3.jpg
case_images: PMC7413825_03_10-1055-s-0040-1713809-i190507cr-3.jpg
case_images: FI190507cr-3
case_images: With the help of this peroperative "laparoscopic" approach, we identified a mucosal fold within the pylorus ( Fig. 3 ).