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  • Title: Clinical, anatomical, and evolutive features of patients with the Zollinger-Ellison syndrome combined with type I multiple endocrine neoplasia.
    Author: Ruszniewski P, Podevin P, Cadiot G, Marmuse JP, Mignon M, Vissuzaine C, Bonfils S, Lehy T.
    Journal: Pancreas; 1993 May; 8(3):295-304. PubMed ID: 8097874.
    Abstract:
    The clinical evolution of type I multiple endocrine neoplasia (MEN I) was studied in 45 patients among a consecutive series of 172 with Zollinger-Ellison syndrome (ZES). These 172 patients were seen in our hospital between 1959 and 1989. Diarrhea was half as frequent in ZES-MEN I as in sporadic ZES cases. At diagnosis, mean basal acid output and serum gastrin levels in MEN I patients (28.8 +/- 6.6 mmol/h and 587 +/- 487 pg/ml, respectively) were not different from those observed in the others with sporadic ZES. Laparotomy was performed in all 36 patients with no diffuse liver involvement to attempt the removal of gastrinomas. Twenty-nine patients had adenomas, located in the pancreas in 21, in the duodenal wall in 3, and in both in 5. Adenomas were multiple in 23 cases (78%). No tumor was found in seven patients. Twenty-nine of the 36 operated patients were tumor-free after surgery; 7 died in the postoperative period between 1959 and 1970. Median follow-up of the 38 other patients was 95 months (range 17-278 months). Among the 24 patients without residual tumor at discharge (group I), biological and/or morphological evidence of a persistent or recurrent source of gastrin was obtained in 22. Among the 14 patients with residual tumor (group II), an increase in tumor size was seen in 5 after a median of 27 months (range 9-36 months), while no change occurred in 9 after 54 months (3-100 months). Actuarial survival curves were not different, either in group I versus group II patients (67 and 72% at 5-year follow-up, respectively) or in MEN I versus sporadic ZES patients. Apparently, complete resection of primary tumor did not reduce the incidence of subsequent liver metastases. In all, 21 of the 45 patients had malignant gastrinomas (47%), consisting of liver metastases in 14 (31%), metastatic lymph nodes in 11 (24%), and lung metastases in 2 (4%). Monitoring of fundic argyrophil cells disclosed hyperplasia in 13 of the 14 MEN I patients (92%), and 5 had invasive carcinoid tumors. Taken together, these results prompt us to recommend that in ZES-MEN I patients, surgery should be avoided and oxyntic mucosa regularly monitored.
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