WebThe Chromogranin A [CgA] blood test is ordered when there is a suspicion of a carcinoid syndrome present within a patient. It may also be routinely ordered to monitor the treatment of such a syndrome. In its … WebAn increased Chromogranin A level in a person with symptoms may indicate the presence of a tumor, but it is not specific for the type of tumor or its location. In order to diagnose the condition, the tumor itself must be located, biopsied, and examined by a pathologist. The healthcare practitioner will frequently follow an abnormal test result with an order for an …
Chromogranin A, Serum - Mayo Clinic Laboratories - Test Catalog
WebSep 21, 2016 · Chromogranin A (CgA) is an acidic glycoprotein with a molecular mass of 49 kd that is widely expressed by neuroendocrine cells and constitutes one of the most abundant components of secretory granules. 1 CgA is physiologically released by exocytosis and may be detected in the blood. In particular, when a tumor develops in an endocrine … WebChromogranin Immunostain, Technical Component Only Specimen Performance Fees & Codes Setup & Updates Useful For Aiding in the identification of tumors with neuroendocrine differentiation Reflex Tests Testing Algorithm dibri in the bible
Metanephrines, Fractionated, Free, Plasma - Mayo Clinic ... - Test …
WebMay 20, 2007 · We evaluated the pattern of chromogranin A (CgA) plasma levels in a large number of patients with neuroendocrine tumors (NETs), in a series of patients with chronic atrophic gastritis (CAG) with and without enterochromaffin-like (ECL) cell hyperplasia, and in healthy participants (HPs). Patients and methods: WebThis test finds out how much 5-hydroxyindoleacetic acid (5-HIAA) is in your urine. This acid is a waste product that comes from the breakdown of serotonin by the liver. Serotonin is … WebInterpretation of this test should be performed in the context of the patient's clinical history and other diagnostic tests by a qualified pathologist. Cautions Discusses conditions that … citi sears credit card customer service