Elevated Fasting Serum Gastrin: Sensitivity and Specificity
Introduction:
None written. Excerpt from the entry in Zollinger-Ellison syndrome:
above upper limit of normal. No specificity mentioned but 2/3 of patients have elevated fasting gastrin < 10x upper limit, which overlaps with H pylori or G cell hyperplasia.
above upper limit of normal. No specificity mentioned but 2/3 of patients have elevated fasting gastrin < 10x upper limit, which overlaps with H pylori or G cell hyperplasia.
Also must ensure that gastric pH is normal for this test to be valid.
Associated Diagnoses:
97% sensitive
90% sensitive