carcinoid tumourmedical dictionary

<tumour>

A tumour which secretes excessive amounts of the hormone serotonin. The clinical result is carcinoid syndrome. These tumours may grow anywhere in the gastrointestinal tract (and in the lungs) with approximately 90% in the appendix. The remainder occur in the ileum, stomach, colon or rectum.

American spelling: carcinoid tumor

(27 Sep 1997)