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12577 Surgery

A 45 year old gentleman has undergone truncal vagatomy and pyloroplasty for bleeding duodenal ulcer seven years ago. Now he was intractable recurrent symptoms of peptic ulcer. All of the following suggest the diagnosis of Zolliner Ellison syndrome, except

ABasal acid output of 15 meq/hour
BSerum gastrin value of 500 pg/ml
CUlcers in proximal jejunum and lower end of esophagus
DSerum gastrin value of 200 pg/ml with secretion stimulation (Correct Answer)