GASTRIN STIMULATION BY SECRETIN
Secretin stimulated serum gastrin level is the best laboratory test for diagnosis of Gastrinoma. Minute changes of less than 30% in serum gastrin levels occur in normal subjects or those with duodenal ulcer. Gastrinoma patients show an increase of at least 200 pg/mL or 50% by 5 or 10 minutes.
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Pre-test Information:
Overnight fasting is mandatory
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Report Delivery:
Sample by Mon / Thu 4 pm; Report Same day