A duodenal stricture refers to a segment of narrowing involving the duodenum. They can occur from a range of benign infective - inflammatory to malignant etiology. They can contribute to gastric outlet obstruction.
Pathology
Etiology
- infective/inflammatory
- duodenitis
- regional inflammation: e.g. pancreatitis
- inflammatory bowel disease involvement of the duodenum
- regional collection
- trauma
- regional hematoma
- malignant
- malignant duodenal ulcers
- duodenal carcinoma
- regional infiltration from nearby tumors: e.g. pancreatic carcinoma
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