What is the 5-HIAA urine test for?
This test measures the level of 5-HIAA in the urine. It is often done to detect certain tumors in the digestive tract (carcinoid tumors) and to track a person’s condition. The urine test may also be used to diagnose a disorder called systemic mastocytosis and some tumors of the hormone.
What are normal 5-HIAA levels?
Normal results are 2 to 9 milligrams (mg) of 5-HIAA over 24 hours. Women generally have lower levels than men. Higher levels of 5-HIAA may mean you have: Carcinoid tumors.
Is carcinoid malignant or benign?
Carcinoid tumors can be benign (non-cancerous) or malignant (cancerous). Benign carcinoid tumors are typically small and usually can be removed completely and, in most cases, they do not come back. Cells from benign carcinoid tumors do not spread to other parts of the body.
What are the signs and symptoms of carcinoid syndrome?
The most common signs and symptoms include:
- Skin flushing. The skin on your face and upper chest feels hot and changes color — ranging from pink to purple.
- Facial skin lesions. Purplish areas of spiderlike veins may appear on your nose and upper lip.
- Diarrhea.
- Difficulty breathing.
- Rapid heartbeat.
What were your symptoms of carcinoid syndrome?
The symptoms of carcinoid syndrome include episodes of warmth and redness of the face, head and upper chest; diarrhea; marked changes in blood pressure (usually hypotension, a decrease in blood pressure); asthmatic-like wheezing; weight loss or gain; malnutrition; dehydration; weakness; muscle and joint aching; and …
Is carcinoid tumor serious?
Carcinoid tumors are cancerous, but have been called cancer in slow motion, because if you have a carcinoid tumor, you may have it for many years and never know it. In rare cases, usually after a carcinoid tumor has spread, it can cause symptoms called carcinoid syndrome.