A member asked:

What exactly is hypocellular bone marrow?

A doctor has provided 1 answer
Dr. James Blachly answered

Specializes in Medical Oncology

Not enough cells: The bone marrow is the factory of the blood -- all blood cells begin life there. The "normal" amount of cells decreases with age, so we estimate normal as 100 - (age) +/- 20%. So, if a 50 year old has 50% of the space in the bone marrow filled with cells, we say this is normal. If it were 25%, it would be hypocellular. However, if a 90 year old had 25% cellularity, it is probably normal. Helps?

Answered 7/6/2020

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