Gastric outlet obstruction

Last revised by Tariq Walizai on 2 Oct 2024

Gastric outlet obstruction, also known as pyloric obstruction, occurs when a disease or condition blocks the normal emptying of the stomach.

Pathology

Etiology

Gastric outlet obstruction can be due to malignant or benign causes.

Malignant
Benign

See also

Cases and figures

  • Case 1
  • Case 2
  • Case 3: due to an adenocarcinoma
  • Case 4: due to an adenocarcinoma
  • Case 5
  • Case 6: adenocarcinoma
  • Case 7: by bariatric intragastric balloon
  • Case 8: gastric antral adenocarcinoma
  • Case 9
  • Case 10: due to antral adenocarcinoma
  • Case 11: due to gastric balloon
  • Case 12
  • Case 13
  • Case 14
  • Case 15: due to tumoral infiltration
  • Case 16: gastric balloon causing gastric outlet obstruction and perforation
  • Case 17: due to Ca breast metastasis

Imaging differential diagnosis

  • Gastroparesis
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