carcinoid syndrome

1 Definition of carcinoid syndrome

Meaning of carcinoid syndrome: A combination of symptoms caused by the release of serotonin and other substances from carcinoid tumors of the gastrointestinal tract.

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.