Hypodiploid B Acute Lymphoblastic Leukemia

**Semantic type:** Neoplastic Process

**Definition:** A B-cell acute leukemia characterized by the presence of lymphoblasts which contain less than 46 chromosomes. It occurs in both children and adults. It has an unfavorable clinical outcome.

**Synonyms:** - B Acute Lymphoblastic Leukemia with Hypodiploidy - B-Acute Lymphoblastic Leukemia with Hypodiploidy - Hypodiploid ALL - Hypodiploid Acute Lymphoblastic Leukemia - Hypodiploid B-Acute Lymphoblastic Leukemia - Hypodiploid B-Cell Acute Lymphoblastic Leukemia