Leukemia

Literally means white blood and refers to a neopastic hematopoietic neoplasm of lymphoid or myeloid origin that involves the peripheral blood. They can be immature (Acute) or mature/maturing (Chronic). Acute leukemias include acute myeloid Leukemia (AML) and Acute Lymphoid Leukemia (ALL). Examples of maturing/mature leukemias include chronic myelogenous leukemia (CML) and chronic lymphocytic leukemia (CLL).