Table 3: Immunophenotyping Analysis at Diagnosis

B Lineage Acute Lymphoid Leukemia Subtypes N %

CD19+ and/or
CD79a+ and/or
CD22+
B-I (Pro-B) 1 1,3

B-II (Common) 14 18,7

B III (Pre-B) 52 69,3

(75 cases) B-IV (Mature B) 8 10,7