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High gastrin levels

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Some conditions are associated with raised gastrin levels. Examples of causes of marked elevation in gastrin levels include:

  • gastrinoma
  • small bowel resection
  • hypochlorhydria - leads to hyperplasia of the antral gastrin secreting cells and 75% of patients with pernicious anaemia have a marked elevation in gastrin levels

Gastric ulcers may be associated with a mild elevation in gastrin levels. The gastrin level in patients with duodenal ulcers is normal but rises more than normal after a protein meal.

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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