Types of Acute Lymphocytic Leukemia (ALL)

ALL is leukemia in the type of white blood cells called lymphocytes. It is not a single disease, but a group of related diseases. These are the 3 subtypes of ALL.

  • L1. This type is most common in children.

  • L2. This type is most common in adults.

  • L3. This is the most aggressive type and is also called Burkitt-type leukemia.

ALL can also be divided into more specific classifications.

  • Early Pre-B ALL

  • Common ALL

  • Pre-B-cell ALL

  • Mature B-cell ALL (Burkitt-type leukemia)

  • Pre-T-cell ALL

  • Mature T-cell ALL


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