Definition:
Carcinoid syndrome is a group of signs and symptoms that are associated with tumors of the enterochromaffin cells. These cells produce specific chemicals like serotonin, substance P, neuropeptide K, and neurokinin A. Enterochromaffin cells can be found in the intestines, appendix, rectum, lungs, stomach, pancreas, and thyroid. The carcinoid syndrome causes facial flushing, diarrhea and heart valve abnormalities.

Pronunciation: KAR-sin-oyd SYN-drum • (noun)

Related Resources:

Facial Flushing with Carcinoid Syndrome
Learn more about how carcinoid syndrome causes facial flushing and how it is treated.
Facial Flushing
Information on the different causes of facial flushing and what can be done about them.

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