Leukopenia vs. Leukemia

(medicine) An abnormally low count of leukocytes, or white blood cells, in the blood.

an abnormal lowering of the white blood cell count

Leukopenia (from Greek λευκός (leukos) 'white', and πενία (penia) 'deficiency') is a decrease in the number of leukocytes. Found in the blood, they are the white blood cells, and are the body's primary defense against an infection.

A type of malignancy affecting the blood cells or blood-forming tissues.

(countable) Any specific form or type of cancer of the blood-forming tissues.

Example: ‘The subjects suffered from lymphoblastic and myeloid leukemias.’;

malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer

Leukemia (also spelled leukaemia and pronounced loo-KEE-mee-ə), is a group of blood cancers that usually begin in the bone marrow and result in high numbers of abnormal blood cells. These blood cells are not fully developed and are called blasts or leukemia cells.