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Miscellaneous Islet Cell Tumors

VIPoma

Immediate fluid resuscitation is often necessary to correct the electrolyte and fluid problems that occur as a result of the watery diarrhea, hypokalemia, and achlorhydria that patients experience. Somatostatin analogs are also used to ameliorate the large fluid and electrolyte losses. Once patients are stabilized, excision of the primary tumor and regional nodes is the first line of therapy for clinically localized disease. In the case of locally advanced or metastatic disease, where curative resection is not possible, debulking and removal of gross disease, including metastases, should be considered to alleviate the characteristic manifestations of VIP overproduction.[1] (Refer to the Treatment Option Overview section of this summary for information about the remaining principles of therapy.)

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Somatostatinoma

Complete excision is the therapy of choice, if technically possible. However, metastases often preclude curative resection, and palliative debulking can be considered to relieve symptoms.[1] (Refer to the Treatment Option Overview section of this summary for information about the remaining principles of therapy.)

Other Pancreatic Neuroendocrine Tumors

For these very rare tumors, complete surgical excision is the only curative option when technically possible, and debulking or somatostatin analogs are used for palliation of symptoms if the tumor is functional. (Refer to the Treatment Option Overview section of this summary for information about the remaining principles of therapy.)

Current Clinical Trials

Check for U.S. clinical trials from NCI's list of cancer clinical trials that are now accepting patients with islet cell tumor. The list of clinical trials can be further narrowed by location, drug, intervention, and other criteria.

General information about clinical trials is also available from the NCI Web site.

References:

  1. Davies K, Conlon KC: Neuroendocrine tumors of the pancreas. Curr Gastroenterol Rep 11 (2): 119-27, 2009.

WebMD Public Information from the National Cancer Institute

Last Updated: February 25, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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