A 46-year-old member asked:
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can a cbc (blood test) show leukemia always?

1 doctor answer
Dr. Sewa Legha
50 years experience Medical Oncology
Yes, most times: A leukemia typically begins in the bone marrow and will often show effects on the CBC as the cancer cells spill over into the circulating blood. On rare occasions leukemia may be still limited in the bone marrow, so we make a diagnosis by taking a bone marrow sample.
Answered on Sep 1, 2017
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