In most patients, there is an increased urinary excretion of 5-hydroxyindoleacetic acid , a degradation product of serotonin.
The carcinoid syndrome occurs in approximately 5% of carcinoid tumors and becomes manifest when vasoactive substances from the tumors enter the systemic circulation escaping hepatic degradation.
Carcinoid syndrome occurs when a tumor in the neuroendocrine system is malignant and begins to overproduce certain chemicals, or hormones, causing specific symptoms.
Carcinoid syndrome
Carcinoid Syndrome Tests
Treatment of symptoms is with the somatostatin analog, octreotide, but surgical removal is done where possible; chemotherapy may be used for malignant tumors.
An intestinal carcinoid does not usually cause carcinoid syndrome unless hepatic metastases have occurred because metabolic products released by the tumor are rapidly destroyed by blood and liver enzymes in the portal circulation eg, serotonin by hepatic monoamine oxidase.
Carcinoid syndrome is a set of symptoms that might be a sign you have neuroendocrine tumors (NETs). Carcinoid syndrome symptoms include watery diarrhea and unusually flushed skin. Carcinoid syndrome happens when an NET floods your system with the hormone serotonin and other substances.
Carcinoid syndrome refers to a group of symptoms caused by the systemic release of different kinds of humoral factors like polypeptides, biogenic amines, and prostaglandins mostly from well-differentiated neuroendocrine tumors. Previously well-differentiated neuroendocrine tumors were known as carcinoid tumors.
Carcinoid syndrome is a group of symptoms you might have with a type of cancer called carcinoid tumors. These tumors start in cells that make certain chemicals, and they release more of those .
Carcinoid syndrome is a disease consisting of a combination of symptoms, physical manifestations, and abnormal laboratory findings. Carcinoid syndrome is seen in individuals who have an underlying carcinoid tumour with spread to the liver.
Carcinoid syndrome occurs when a tumor in the neuroendocrine system is malignant and begins to overproduce certain chemicals, or hormones, causing specific symptoms. One of the most important of these hormones is serotonin, which can have serious effects on the body. Symptoms of carcinoid syndrome include dry, flushing, diarrhea, skin rash.
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