期刊
ONCOLOGIST
卷 19, 期 1, 页码 44-50出版社
WILEY
DOI: 10.1634/theoncologist.2013-0369
关键词
Gastrinoma; Peptic ulcer; Multiple endocrine neoplasia type 1; Gastric acid
类别
Zollinger-Ellison syndrome (ZES) is an endocrinopathy characterized by gastrin-secreting tumors, responsible for causing the formation ofmultiple, refractory, and recurrent peptic ulcers in the distal duodenum and proximal jejunum. Two main variants have been described, sporadic and those found in association with parathyroid andpituitary tumors, a genetic disorder known asmultiple endocrine neoplasia-1 (MEN-1). Biochemical serum evaluation for elevated gastrin, followed by radiological or nuclear localization of the primary lesion, is mandated for establishing diagnosis. The mainstays of treatment include management of hypersecretory state withmedical suppression of gastric acid production and surgical resection of primary tumor for the prevention of malignant transformation and metastatic complications. Medical therapy with proton pump inhibitors has virtually eliminated the need for acid-reducing surgical procedures. Surgical approach to sporadic and MEN-1associated ZES varies based on our understanding of the natural history of the condition and the probability of cure; however, resection to a negative microscopic margin is indicated in both cases. Postoperative surveillance involves measurement of gastrin level, followed by imaging if elevation is detected. Reexcision of recurrent or resection of metastatic disease is a subject of controversy; however, at the present time aggressive cytoreductive approachis favored.
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