GI Radiology
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Small Bowel
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Disease Patterns
> Small Bowel Obstruction
Disease Patterns
Diffuse
Causes of Mechanical Obstruction
Extrinsic lesions (90%)
Adhesions (previous surgery, peritonitis)
Hernias (external, internal)
Volvulus
Intraluminal lesions
Intussusception
Foreign body, gallstone, bezoar
Meconium ileus
Wall lesions
Strictures (neoplastic, inflammatory, ischemic, amyloid, XRT induced)
Masses (neoplasm, hematoma)
Congenital atresia or stenosis