Skip to Main Content
ALL DEFINITIONS

Acute Lymphocytic Leukemia, Acute Lymphoblastic Leukemia (ALL)

Definition

Acute lymphocytic leukemia (ALL), also known as acute lymphoblastic leukemia, is a type of cancer that originates in the bone marrow and affects the white blood cells called lymphocytes. It progresses rapidly and can spread to other parts of the body, including the lymph nodes, liver, spleen, and central nervous system.