Abdominal Pain

	Hypertrophic pyloric stenosis. Plain X-ray showed marked dilatation of the stomach
	Hypertrophic pyloric stenosis. Plain X-ray and upper GI study showed complete obstruction at the gastric outlet.
	Hypertrophic pyloric stenosis. Upper GI study revealed a "beak sign" with overhanging shadow indicated the extrinsic intramural mass at pylorus.
	Hypertrophic pyloric stenosis. Upper GI study revealed "umbrella sign" indicated the extrinsic intramural mass
	Hypertrophic pyloric stenosis. Operative finding of pseudotumor mass at pylorus
	Hypertrophic pyloric stenosis. Operative finding of pseudotumor mass at pylorus
	Hypertrophic pyloric stenosis. Operative finding when pseudotumor mass at pylorus was splitted - pyloromyotomy
	Hypertrophic pyloric stenosis. Operative finding when pseudotumor mass at pylorus was splitted - pyloromyotomy
	Hypertrophic pyloric stenosis. Operative finding when pseudotumor mass at pylorus was splitted - pyloromyotomy
	Hypertrophic pyloric stenosis. Operative finding when pseudotumor mass at pylorus was splitted - pyloromyotomy