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Is reoperation for gastrinoma excision indicated in Zollinger-Ellison syndrome?
N T Jaskowiak1, D L Fraker, H R Alexander
1Surgical Metabolism Section, National Cancer Institute, National Institutes of Health, Bethesda, Md, USA.
Background:
Surgical excision of gastrinomas in patients with Zollinger-Ellison syndrome (ZES) decreases the incidence of hepatic metastases, but long-term biochemical cures are achieved in fewer than 30% of cases. A growing number of patients have persistent or recurrent disease after initial operation. The effect of reoperation in these patients has not been previously reported.
Methods:
From December 1982 to August 1995, 120 patients with ZES underwent operation for gastrinoma resection. Seventy-eight patients had recurrent or persistent ZES after operation; 17 patients underwent 18 reoperations. After initial operation all patients underwent yearly functional and imaging studies. If a tumor was unequivocally imaged, reexploration was done.
Results:
Five patients, all with sporadic disease, were disease free after operation, with a median follow-up of 28 months. Tumor was found in all 18 reoperations and resected in 17. In patients with continuing disease-free intervals, locations of gastrinomas included pancreatic head lymph nodes (three), liver metastasis (one), and pancreatic tail lymph node (one). There were no deaths in the cured group; two patients in the group with persistent disease have died (median follow-up, 34 months).
Conclusions:
Reoperation for gastrinoma excision resulted in elimination of disease in 30% of patients and should be considered for patients with imageable disease.