Gastric outlet obstruction due to an irreducible incisional hernia
Vomiting for days with upper abdominal pain and an irreducible abdominal wall hernia
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Marked fluid-filled distension of the stomach passing into a relatively narrow-necked abdominal wall hernia. Note pylorus (arrow) is extrinsically compressed at the hernial neck by the contents including the distended stomach
Gastric outlet obstruction is usually due to gastric/pancreatic neoplasm or chronic duodenal ulceration. It is rarely due to hernial obstruction.