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Chromogranin A

Item# LC140848

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  • Chromogranin A
  • Item Catalog Number: LC140848

Chromogranin A (CGA) is a protein found in and released from neuroendocrine cells. The Chromogranin A test is used as a tumor marker. It may be ordered in combination with or in place of serotonin to help as an aid to diagnose carcinoid syndrome. Typical carcinoid symptoms include:

  • Flushing
  • Diarrhea
  • Abdominal pain
  • Wheezing
  • Valvular heart disease

Measurement of Chromogranin A is also useful as a tumor marker for adrenal tumors as well as small cell lung carcinoma. Elevated levels of Chromogranin A in patients with prostate cancer have been shown to correlate with poor prognosis.1

Fasting is not required. Take all medications as prescribed.

References
1. Berruti A, Dogliotti L, Mosca A, et al, “Circulating Neuroendocrine Markers in Patients With Prostate Carcinoma,” Cancer, 2000, 88(11):2590-7.PubMed 10861438

 

The laboratory services are for informational purposes only. It is not the intention of National Diagnostics, Inc and Life Extension to provide specific medical advice but rather to provide users with information to better understand their health. Specific medical advice including diagnosis and treatment will not be provided. Always seek the advice of a trained health professional for medical advice, diagnosis or treatment.

Both the physician and the testing laboratory are independent contractors with whom National Diagnostics, Inc makes arrangements for your blood tests. Neither National Diagnostics, Inc or Life Extension will be liable for any acts or omissions of the physician, the testing laboratory, or their agents or employees.