The chromogranin A (CgA) test is used as a tumor marker. It may be ordered in combination with a 5-HIAA test to help diagnose carcinoid tumors. It may also be used to detect the presence of other tumors arising from neuroendocrine cells.Neuroendocrine cells are cells that have both nerve and hormone (endocrine) aspects and are found in organs throughout the body. These cells and the endocrine system glands that they are found in can give rise to a variety of tumors, both benign and malignant. Examples include carcinoid tumors, insulinomas, small cell lung cancers, and neuroblastomas.Many of these tumors release large quantities of hormones, such as serotonin, catecholamines, or insulin, continuously or intermittently, causing symptoms characteristic for that tumor. However, some neuroendocrine tumors do not release the expected hormones. In either case, neuroendocrine tumors are frequently associated with increased concentrations of CgA.A CgA test may also be used to help monitor the effectiveness of treatment and detect recurrence of these tumors.
Sample Type - Blood
Reporting Time - 48 Hrs
Prerequisites - No special preparation required
Price - ₹7020/-
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