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Table 147-4

Differential Diagnostic Tests

Gastrin Response to
ConditionFasting GastrinIV SecretinFood
DUN (≤150 ng/L)NCSlight ↑
Z-E↑↑↑↑↑↑NC
Antral G (gastrin) cell hyperplasia↑↑, NC↑↑↑

Abbreviations: DU, duodenal ulcer; N, normal; NC, no change; Z-E, Zollinger-Ellison syndrome.