Leukemias are a group of cancers affecting the blood and blood-forming tissues of the body.
Understanding Leukemias
Leukemia isn't a single disease; it's an umbrella term encompassing various cancers that originate with problems in the creation of blood cells. This means that instead of healthy blood cells, abnormal ones are produced, impacting the body's ability to function correctly.
According to the provided reference, leukemia:
- Is a cancer of the blood and blood-forming tissues.
- Involves problems in the creation of blood cells.
- Includes many types, such as lymphoid, myeloid, chronic, and acute leukemias.
Types of Leukemia
Given that leukemia is an umbrella term, understanding its different classifications is crucial. Here are some major types:
- Acute Leukemia: These leukemias progress rapidly.
- Chronic Leukemia: These leukemias develop more slowly.
- Lymphoid Leukemia: Affects lymphocytes (a type of white blood cell).
- Myeloid Leukemia: Affects myeloid cells (precursors to red blood cells, platelets, and some white blood cells).
