Carcinoid Syndrome 


Carcinoid tumors are noncancerous (benign) or cancerous (malignant) growths that produce excessive amounts of hormonelike substances. Carcinoid tumors usually originate in hormone-producing cells that line the small intestine or other cells of the digestive tract. They can also occur in the pancreas, testes, ovaries, or lungs. Carcinoid tumors can produce an excess of hormonelike substances, such as serotonin, bradykinin, histamine, and prostaglandins. Excess levels of these substances can s...

A condition marked by extreme tiredness and inability to function due lack of energy. Fatigue may be acute or chronic.

Carcinoid Tumors as related to Fatigue