carcinoid syndrome

Definition / meaning of carcinoid syndrome

A combination of symptoms caused by the release of serotonin and other substances from carcinoid tumors of the gastrointestinal tract. Symptoms may include flushing of the face, flat angiomas (small collections of dilated blood vessels) of the skin, diarrhea, bronchial spasms, rapid pulse, and sudden drops in blood pressure.

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Find More About 'carcinoid syndrome'

Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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