Abdominal Surgery in Patients with Midgut Carcinoid Tumors

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Abstract
In patients with midgut carcinoid tumors a curative, radical tumor removal should be attempted when possible. As these tumors are generally malignant, irrespective of size, the radical surgery implies that intestinal resection for excision of a primary tumor should be combined with an extended mesenteric resection. When the patients present with the carcinoid syndrome the disease is, with few exceptions, too advanced for curative surgery. However, surgery often has to be performed also in patients with the advanced carcinoids. Patients with more extensive disease may thus benefit from surgical debulking of large mesenteric or hepatic metastases. Moreover, when the patients present with abdominal symptoms it is important to exclude a threatening major abdominal complication, such as intestinal obstruction or ischemia. As these complications may cause malnutrition and deterioration, it is important to treat them properly, sometimes by repeated surgery.