Which anatomic and functional defects of the GI tract contribute to foreign body obstruction

Which anatomic and functional defects of the GI tract contribute to foreign body obstruction?

Anatomic and Functional Defects of the Gastrointestinal Tract That Contribute to Foreign Body Obstruction

Intestinal SiteAnatomic DefectFunctional Defect
EsophagusStenosis, atresia, rings, webs, benign/malignant stricture, eosinophilic esophagitis, diverticula, vascular anomaliesScleroderma, achalasia, Chagas disease
StomachPyloric stenosis (congenital, malignancy, postoperative, gastroduodenal ulcer disease)Gastroparesis (uremia, diabetes, hypothyroidism)
IntestinePostoperative adhesion, Meckel diverticulum, strictures (ischemic, anastomotic, Crohn’s disease), malignancyIdiopathic intestinal pseudoobstruction, scleroderma
ColonStrictures (ischemic, anastomotic, ulcerative colitis, Crohn’s disease, radiation, trauma, infection, surgery), diverticular disease, malignancyCathartic colon, idiopathic constipation, familial megacolon, idiopathic intestinal pseudoobstruction
AnusStenosis (Crohn’s disease, trauma, radiation, infection, surgery)Hirschsprung’s disease
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