Carcinoid Tumor Underlying Cause
The cause for carcinoid tumors is unknown, but genetics may play a role.
Genes control the functions inside a cell. Special genes control how cells divide and grow. Cancer occurs when the damaged genes stimulate the cell to multiply out of control. The exact cause for this damage is unknown.
Carcinoid tumors produce serotonin, which is a hormone that dilates blood vessels throughout the body.
Continue to Carcinoid Tumor Anatomy
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