Acute Lymphocytic Leukemia

(French-American-British Classification)

Stem Cell	L1 Lymphoblastic leukemia, child type (98353--acute) lymphoblastic, small
Lymphoid-Commited Cell	L2 Lymphoblastic leukemia, adult type (lymphoblastic, small-large)
Lymphoblastic	L3 Lymphoma-like leukemia (Burkitt)

Lymphocytic leukemias can be subdivided by type of cell surface antigens: 95% are B-cell and 5% ar T-cell type.