hypertrophic pyloric stenosis

hypertrophic pyloric stenosis
pyloric stenosis caused by muscular hypertrophy and mucosal edema, occurring chiefly in infants; symptoms include nausea, vomiting, epigastric pain, anorexia, weight loss, dehydration, and hypochloremic alkalosis; affected infants have a palpable pyloric mass and visible peristalsis.

Medical dictionary. 2011.

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  • Pyloric stenosis — Narrowing (stenosis) of the outlet of the stomach so that food cannot pass easily from it into the duodenum, resulting in feeding problems and projectile vomiting. The obstruction can be corrected by a relatively simple surgical procedure. * * *… …   Medical dictionary

  • pyloric stenosis — narrowing of the muscular outlet of the stomach (pylorus). This causes delay in passage of the stomach contents to the duodenum, which leads to repeated vomiting (sometimes of food eaten more than 24 hours earlier), and sometimes visible… …   The new mediacal dictionary

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  • Stenosis — A narrowing, as in aortic stenosis (narrowing of the aortic valve in the heart), pulmonary stenosis (narrowing of the pulmonary valve in the heart), pyloric stenosis (narrowing of the outlet of the stomach), spinal stenosis (narrowing of the… …   Medical dictionary

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  • pyloromyotomy — Longitudinal incision through the anterior wall of the pyloric canal to the level of the submucosa, to treat hypertrophic pyloric stenosis. SYN: Fredet …   Medical dictionary

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