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Pyloric stenosis is more common in Caucasians than Hispanics, Blacks, or Asians. The incidence is 2.4 per 1000 live births in Caucasians, 1.8 in Hispanics, 0.7 in Blacks, and 0.6 in Asians. It is also less common amongst children of mixed race parents. [ 23 ]
The pyloromyotomy is primarily indicated by the presence of hypertrophic pyloric stenosis. [5] [1] Hypertrophic Pyloric stenosis is a gastrointestinal tract defect, most commonly seen in young children, typically in the first few months of life, caused by enlargement of the tissue in the pyloric muscle.
In children, congenital pyloric stenosis / congenital hypertrophic pyloric stenosis may be a cause. A pancreatic pseudocyst can cause gastric compression. Pyloric mucosal diaphragm could be a rare cause. Malignant Tumours of the stomach, including adenocarcinoma (and its linitis plastica variant), lymphoma, and gastrointestinal stromal tumours
Gastrectomy, gastric bypass surgery, diabetes, esophageal surgery, absent or inefficient pyloric sphincter, pyloric stenosis Dumping syndrome occurs when food, especially sugar, moves too quickly from the stomach to the duodenum —the first part of the small intestine—in the upper gastrointestinal (GI) tract .
The pyloric tit sign is a radiological finding observed during barium studies in cases of hypertrophic pyloric stenosis. [1] It appears as an outpouching on the lesser curvature of the stomach, just proximal to the impression created by the hypertrophied pyloric muscle.
Splits hypertrophic muscle and leaves mucosa intact in Infantile hypertrophic pyloric stenosis [1] Roux-en-Y anastomosis: César Roux: Upper gastrointestinal surgery: End-to-side anastomosis between cut end of small bowel and distal small bowel: Roux' operation at Whonamedit? Sistrunk procedure Walter Sistrunk: Otorhinolaryngology
Infantile hypertrophic pyloric stenosis was first fully described by Harald Hirschsprung in 1888. [4] Initially surgeons were reluctant to advise surgical intervention in these cases, even though mortality from the condition was high, as the mortality rate from surgery was also very high. [2]
The cause in children is typically unknown; in adults a lead point is sometimes present. [1] Risk factors in children include certain infections, diseases like cystic fibrosis, and intestinal polyps. [1] Risk factors in adults include endometriosis, bowel adhesions, and intestinal tumors. [1] Diagnosis is often supported by medical imaging. [1]