Question:
How is dx of gastrinoma?
Author: H KAnswer:
Fasting Serum Gastrin (stop PPI before test) >1000 pg/ml Secretin Sti. Test : secretin 2u/kg iv >200 pg/ml Ddx : pernicious anemia treatment with proton pump inhibitors renal failure G-cell hyperplasia atrophic gastritis retained or excluded antrum gastric outlet obstruction
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Author
H K