Fig. 1. Bone marrow aspirate showed lymphoblasts with scanty agranular cytoplasm (A). Bone marrow biopsy (Haematoxylin and Eosin stain, ×400) with IHC showed positivity for CD10 and PAX5 and negativity for CD33 (B).

Blood Res 2021;56:339~342 https://doi.org/10.5045/br.2021.2021093