Een van die betroubaarste toetse vir carcinoid tumors is 'n
Chromogranin A (CgA) TestingThe Chromogranin A (CgA) blood test is a good marker to help detect and monitor the activity of carcinoid tumors in general. This includes carcinoid tumors that secrete certain hormones that are associated with carcinoid syndrome as well as carcinoid tumors that do not cause carcinoid syndrome. Elevated levels of CgA are found in 80-100% of patients with carcinoid tumors.
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http://www.carcinoid.com/patient/understanding/carcinoid-syndrome-diagnosis.jsp#ChromograninWhy Early Diagnosis of Carcinoid Syndrome Is ImportantCarcinoid tumors are often difficult to diagnose because there are few if any symptoms. In fact, many carcinoid tumors are found through unrelated surgery or at autopsy. But, if metastasis occurs, patients may experience the uncomfortable and sometimes debilitating symptoms of carcinoid syndrome.
Unfortunately, the symptoms of carcinoid syndrome are often too vague for doctors to rule out other possible conditions, and they may misdiagnose the disease as something else, such as irritable bowel syndrome. Misdiagnosis then puts patients at a higher risk for
carcinoid crisis, a dangerous condition that can occur at the time of surgery, which can be a life threatening complication of carcinoid syndrome.
Because of the difficulty involved, there may be a delay of approximately 5-7 years in correctly diagnosing carcinoid syndrome. This emphasizes the need for early recognition of the symptoms of carcinoid syndrome, and continued testing for the disease.
For anaesthetic purposes, patients with carcinoid tumours should be regarded as suffering from a multi-system disease and so require thorough pre-planning followed by post-operative management in a high dependency environment by clinicians who are well versed in the complications associated with carcinoid.