Figure 1.

Bone marrow smears of cases of APL.A - classical morphology: the leukemic cells present a folded nucleus and a broad and hypergranular cytoplasm. Several cells present Auer rods (upper left and lower middle). B – variant morphology: the neoplastic cells present an oval or bilobated nucleus and few small granula in the less abundant cytoplasm. May-Grünwald-Giemsa. x1000..

De Mello et al. Diagnostic Pathology 2012 7:75   doi:10.1186/1746-1596-7-75
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