secretin injection test

secretin injection test

GI disease A provocative test in which porcine–or other–secretin is injected IV and the gastrin levels are monitored; gastrin ↓ in antral G-cell hyperplasia and duodenal ulcers, ↑ in gastrinomas, Zollinger-Ellison syndrome
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.