vipoma

VIPoma /VIP·oma/ (vi-po´mah) an endocrine tumor, usually an islet cell tumor, that produces vasoactive intestinal polypeptide, causing a syndrome of watery diarrhea, hypokalemia, and hypochlorhydria, leading to potentially fatal renal failure. Alternatively, vipoma.

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vipoma /vip·oma/ (vi-po´mah) VIPoma.

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vi·po·ma (v-pm)

n.

An endocrine tumor, usually originating in the pancreas, that produces a vasoactive intestinal polypeptide believed to cause profound cardiovascular and electrolyte changes with vasodilatory hypotension, watery diarrhea, hypokalemia, and dehydration.

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VIPoma Oncology A VIP–vasoactive intestinal peptide-producing tumor of the pancreas, which is associated with a cholera-like syndrome in absence of gastric hypersecretion. See VIPoma syndrome.