期刊
WORLD JOURNAL OF GASTROINTESTINAL ENDOSCOPY
卷 2, 期 10, 页码 325-334出版社
BAISHIDENG PUBLISHING GROUP INC
DOI: 10.4253/wjge.v2.i10.325
关键词
Carcinoid; Gastrinoma; Duodenum; Jejunum; Ileum; Cancer; Multiple endocrine neoplasia
Neuroendocrine tumors of the small bowel are on the rise. In the US they have increased by 300%-500% in the last 35 years. At the same time their prognosis is much improved. Today, most neuroendocrine tumors (NETs) of the duodenum are detected incidentally and therefore recognized at an early stage. Duodenal NETs which are well differentiated, not larger than 10 mm and limited to the mucosa/submucosa can be endoscopically resected. The management of duodenal NETs ranging between 10 and 20 mm needs an interdisciplinary discussion. Endoscopic ultrasound is the method of choice to determine tumor size and depth of infiltration. Surgery is recommended for well-differentiated duodenal NET tumors greater than 20 mm, for localized sporadic gastrinomas (of any size) and for localized poorly differentiated NE cancers. Surgery is recommended for any ileal NET. Advanced ileal NETs with a carcinoid syndrome are treated with long-acting somatostatin analogs. This treatment signifi-cantly improves (progression-free) survival in patients with metastatic NETs of the ileum. For optimal NET management, tumor biology, type, localization and stage of the neoplasm, as well as the patient's individual circumstances have to be taken into account. (C) 2010 Baishideng. All rights reserved.
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