1 Definition of preleukemia

Meaning of preleukemia: A group of diseases in which the bone marrow does not make enough healthy blood cells.

A group of diseases in which the bone marrow does not make enough healthy blood cells. Also called myelodysplastic syndromes and smoldering leukemia.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.