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.