Chronic Myeloid Leukemia Blast Phase Versus Primary Ph+ B- Lymphoblastic Leukemia

A 75-year-old man was diagnosed with Ph+ B- lymphoblastic leukemia (B-ALL) in 2015 (A). Flow cytometry immunophenotyping (B) showed the blasts positive for CD10, CD19, CD20, CD22, CD33, CD34, CD38, cytoCD79a, CD123, and TdT, and negative for CD13, CD14, CD25, CD36, CD56, CD64, CD66c, CD117, HLA-DR, MPO, and T-cell markers...