Showing 17354 questions
Sort:
8901 Surgery

A 45-year-old gentleman has undergone truncal vagotomy and pyloroplasty for bleeding duodenal ulcer seven years ago. Now he has intractable recurrent symptoms of peptic ulcer. All of the following suggest the diagnosis of Zollinger 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 secretin stimulation (Correct Answer)