Ultrasonography is the the modality of choice for the diagnosis of infantile<unk>  stenosis.The thickened prepyloric antrum bridging the duodenal bulb and distended stomach and crowded intervening mucosa that protrudes into the distended portion of the antrum (nipple sign) may be seen in Ultrasonography of patients with infantyle<unk>  stenosis.
Pyloric stenosis diagnostic study of choice
Pyloric stenosis differential diagnosis
Pyloric stenosis other imaging findings
Achalasia other diagnostic studies
Dysphagia diagnostic study of choice
Lactose intolerance diagnostic study of choice
Barrett's esophagus differential diagnosis
Duodenal atresia diagnostic study of choice