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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
7
pubmed:dateCreated
1998-7-13
pubmed:abstractText
Between 1987 and 1996 a total of 25 patients with proved Zollinger-Ellison syndrome (ZES) have been treated in our department. If preoperative imaging studies did not show diffuse metastatic disease, patients were scheduled for operation with a standardized surgical approach including thorough exploration and intraoperative ultrasonography (IOUS) of the pancreas and a longitudinal duodenotomy, with separate palpation of the anterior and posterior walls. Postoperatively, patients were followed up by physical examination, fasting gastrin levels, and the secretin stimulation test. Altogether 10 patients had duodenal wall gastrinoma, 14 patients pancreatic gastrinoma, and the tumor was not found in 1 patient. Only 15 tumors (60%) (2 duodenal wall and 13 pancreatic gastrinomas) could be visualized preoperatively. Intraoperatively, 24 of 25 primary gastrinomas were localized. The mean size of duodenal wall gastrinomas (9.6 mm) was significantly smaller than that of pancreatic gastrinomas (28.7 mm) (p < 0.05). At the time of surgical exploration, five duodenal and seven pancreatic gastrinomas had metastasized. The incidence of lymph node metastases was similar for both tumor sites, whereas patients with pancreatic gastrinomas more frequently had liver metastases. The presence of liver metastases was the most important determinant for survival. Four patients (40%) with duodenal and seven with pancreatic (50%) gastrinomas (mean follow-up 5.2 years) were biochemically cured by operation. Of the remaining patients, eight are still alive with recurrent disease. Our results suggest that preoperative localization of gastrinomas often fails despite all modern imaging methods. Therefore a standardized surgical exploration of the pancreas including IOUS and a duodenal exploration should be performed to achieve optimal results. Preoperative diagnostic imaging tests should include computed tomography, ultrasonography, and somatostatin receptor scintigraphy to exclude diffuse metastases. In contrast to liver metastases, lymph node metastases do not have a significant influence on survival.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Jul
pubmed:issn
0364-2313
pubmed:author
pubmed:issnType
Print
pubmed:volume
22
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
651-7; discussion 657-8
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed:year
1998
pubmed:articleTitle
Localization, malignant potential, and surgical management of gastrinomas.
pubmed:affiliation
Department of General Surgery, University Hospital Philipps-University Marburg, Baldingerstrasse, D-35033 Marburg, Germany.
pubmed:publicationType
Journal Article