Early T Precursor Acute Lymphoblastic Leukemia

**Semantic type:** Neoplastic Process

**Definition:** A T acute lymphoblastic leukemia in which the blasts have unique immunophenotypic and genetic characteristics suggesting only limited early T-cell differentiation.

**Synonyms:** - ETP ALL - ETP-ALL - Early T Acute Lymphoblastic Leukemia - Early T Acute Lymphoblastic Leukemia - Early T-Acute Lymphoblastic Leukemia - Early T-Cell Precursor Acute Lymphoblastic Leukemia - Early T-Cell Precursor Lymphoblastic Leukemia - Early T-Precursor Acute Lymphoblastic Leukemia