Mixed Phenotype Acute Leukemia with BCR-ABL1 Fusion

**Semantic type:** Neoplastic Process

**Definition:** A rare mixed phenotype acute leukemia in which the blasts carry the chromosomal translocation t(9;22)(q34.1;q11.2) that results in BCR-ABL1 gene fusion. The prognosis is usually unfavorable.

**Synonyms:** - MPAL with t(9;22)(q34.1;q11.2); BCR-ABL1 - MPAL with t(9;22)(q34.1;q11.2); BCR::ABL1 - Mixed Phenotype Acute Leukemia with BCR::ABL1 Fusion - Mixed Phenotype Acute Leukemia with t(9;22)(q34.1;q11.2); BCR-ABL1 - Mixed Phenotype Acute Leukemia with t(9;22)(q34.1;q11.2); BCR-ABL1 - Mixed Phenotype Acute Leukemia with t(9;22)(q34.1;q11.2); BCR-ABL1 - Mixed Phenotype Acute Leukemia with t(9;22)(q34.1;q11.2); BCR-ABL1 - Mixed Phenotype Acute Leukemia with t(9;22)(q34.1;q11.2); BCR::ABL1 - Mixed Phenotype Acute Leukemia with t(9;22)(q34;q11.2); BCR-ABL1 - Mixed phenotype acute leukemia with t(9;22)(q34;q11.2); BCR-ABL1 - Mixed-Phenotype Acute Leukemia with BCR-ABL1 Fusion - Mixed-Phenotype Acute Leukemia with BCR::ABL1 Fusion