cytogenetic investigation of the bone marrow cells of an 88-year-old woman with refractory anemia with an excess of blasts in transformation with progression to acute myelocytic leukemia ( aml ) , fab classification m4 , revealed a deleted chromosome # 8 with the breakpoint at band q22 as the sole abnormality .
C0023467
acute myelocytic leukemia
C0023479
fab