![]() Carcinoid crisis is the most serious and life-threatening complication of carcinoid syndrome. Carcinoid crisis primarily includes serious fluctuations in blood pressure and heart rate. Serotonin, such as walnuts, pecans, plantains, bananas, and tomatoesĬarcinoid crisis is a term used when patients experience severe, sudden symptoms of carcinoid syndrome, usually in times of extreme stress, such as surgery. Some foods may also trigger the symptoms of carcinoid syndrome, including foods high in:Īmines, such as aged cheeses, yeast extracts, tofu, sauerkraut, and smoked fish and meats Stress, strenuous exercise, and drinking alcohol may make these symptoms worse. High blood pressure and significant fluctuations in blood pressureĬarcinoid heart disease, which is a scarring of the heart valves Blood or urine tests to measure for suspected hormones are also needed to make a diagnosis.įacial flushing, which is redness and a warm feeling over the face It is important to note that these symptoms alone are not enough to diagnose carcinoid syndrome. People with carcinoid syndrome may experience 1 or more of the following symptoms or signs. Not all people with a NET develop carcinoid syndrome. It is measured with a 24-hour urine collection. Serotonin is most easily and reliably measured in the urine, when it gets converted into 5-hydroxyindoleacetic acid (5-HIAA). In carcinoid syndrome, serotonin is produced by the tumor and can cause symptoms. ![]() Others develop this symptom later.įor symptoms related to a specific type of NET, visit its individual section (see the Introduction for a list.) Carcinoid syndromeĬarcinoid syndrome is the classic example of a functional NET and occurs most commonly in people with small intestine NETs. ![]() Some people also experience nutritional deficiencies before a diagnosis, such as niacin and protein deficiency. It causes fatigue, nervousness and shakiness, dizziness or light-headedness, sweating, seizures, and fainting. Hypoglycemia, which is a low level of glucose in the blood. Hyperglycemia causes frequent urination, increased thirst, and increased hunger. Glucose is a sugar that is converted into energy by the body. Hyperglycemia, which is a high level of glucose in the blood. Symptoms related to the release of hormones:įacial flushing, usually without sweating Jaundice, which is the yellowing of the skin and whites of the eyes Thickening or a lump in any part of the bodyĪ cough or hoarseness that does not go away Symptoms related to the tumor size and/or location: Symptoms of a NETĭepending on the type of NET, a person may experience the following tumor-related symptoms or signs: This is to help figure out the cause of the problem, called a diagnosis. Your doctor will ask how long and how often you’ve been experiencing the symptom(s), in addition to other questions. If you are concerned about any changes you experience, please talk with your doctor. If a person with a NET has symptoms, those symptoms may be associated with the size and/or location of the tumor or with the release of hormones, such as carcinoid syndrome. In its early stages, a NET often causes no symptoms and may only be detected during an unrelated x-ray or surgery for another condition. Together, signs and symptoms can help describe a medical problem. A sign is something that other people can identify and measure, such as a fever, rash, or an elevated pulse. ![]() A symptom is something that only the person experiencing it can identify and describe, such as fatigue, nausea, or pain. NETs can be discovered for many different reasons because there is no single set of common symptoms. ON THIS PAGE: You will find out more about body changes and other things that can signal a problem that may need medical care.
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