B Acute Lymphoblastic Leukemia

**Semantic type:** Neoplastic Process

**Definition:** The most frequent type of acute lymphoblastic leukemia. Approximately 75% of cases occur in children under six years of age. This is a good prognosis leukemia. In the pediatric age group the complete remission rate is approximately 95% and the disease free survival rate is 70%. Approximately 80% of children appear to be cured. In the adult age group the complete remission rate is 60-85%. (WHO, 2001)

**Synonyms:** - Acute B Cell Lymphocytic Leukemia - Acute B-Cell Lymphocytic Leukemia - B Cell Acute Lymphocytic Leukemia - B Cell Precursor Type Acute Leukemia - B-ALL - B-ALL - B-ALL - B-ALL - B-Acute Lymphoblastic Leukemia - B-Cell ALL - B-Cell ALL - B-Cell Acute Lymphoblastic Leukemia - B-Cell Acute Lymphocytic Leukemia - B-Cell Lymphoblastic Leukemia - B-Cell Precursor Type Acute Leukemia - B-Cell Type Acute Leukemia - B-cell acute lymphoblastic leukemia - B-cell acute lymphocytic leukemia - B-precursor ALL - Precursor B-Cell Lymphoblastic Leukemia - Precursor B-Lymphoblastic Leukemia - Precursor B-cell lymphoblastic leukemia - Precursor B-lymphoblastic leukemia (B-precursor ALL) - precursor B-lymphoblastic leukemia