Acute leukemia with two cell populations of lymphoblasts and monoblasts.

Abstract

A 46-year-old man had acute leukemia with two cell populations of lymphoblasts and monoblasts (L1 and M5-b in FAB classification, respectively), which were characterized by morphological, cytochemical and cell marker studies. At the time of diagnosis about 80% blasts were terminal deoxynucleotidyl transferase (TdT) positive lymphoid cells, while the rest… (More)

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