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 Site | Anatomic Defect | Functional Defect |
|---|---|---|
| Esophagus | Stenosis, atresia, rings, webs, benign/malignant stricture, eosinophilic esophagitis, diverticula, vascular anomalies | Scleroderma, achalasia, Chagas disease |
| Stomach | Pyloric stenosis (congenital, malignancy, postoperative, gastroduodenal ulcer disease) | Gastroparesis (uremia, diabetes, hypothyroidism) |
| Intestine | Postoperative adhesion, Meckel diverticulum, strictures (ischemic, anastomotic, Crohn’s disease), malignancy | Idiopathic intestinal pseudoobstruction, scleroderma |
| Colon | Strictures (ischemic, anastomotic, ulcerative colitis, Crohn’s disease, radiation, trauma, infection, surgery), diverticular disease, malignancy | Cathartic colon, idiopathic constipation, familial megacolon, idiopathic intestinal pseudoobstruction |
| Anus | Stenosis (Crohn’s disease, trauma, radiation, infection, surgery) | Hirschsprung’s disease |
