Udhayvir Grewal: Chromogranin A is not a screening test for neuroendocrine tumors
Udhayvir Grewal, Resident Physician at Ochsner LSU Health Shreveport Academy Medical Centre, shared this post on X:
“Chromogranin A is NOT a screening test for neuroendocrine tumors.
Chromogranin A is NOT a reliable tumor marker for monitoring disease (let alone making treatment decisions) among patients with neuroendocrine tumors.
Chromogranin A CAN be falsely elevated due to causes such as PPI, renal insufficiency, etc.”
Udhayvir S. Grewal is a Resident Physician at Ochsner LSU Health Shreveport Academy medical centre. Previously, he has been a community volunteer at the American Cancer Society. He completed his Clinical Research Fellowship from Cleveland Clinic. He received his medical degree from Government Medical College Patiala and has been in practice between 6-10 years. His research focuses on Medical Oncology and Haematology.
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