What is Chromogranin A?
This blood test quantifies the amount of chromogranin (CgA) in the patient’s blood. The CgA is released from the neuroendocrine cells, which are found in glands. These cells can sometimes lead to a number of tumours which can be benign as well as malignant.
Why is Chromogranin A done?
- Chromogranin A is the first line test for diagnosing Carcinoid tumors
- For diagnosis of neuroendocrine tumors
- To assess disease progression
- To evaluate response to therapy
- To detect recurrence after surgical resection
Preparation for Chromogranin A
- No special preparation required
Sample Type for Chromogranin A
The sample type collected for Chromogranin A is: Blood