Fig. 3

Peripheral blood smear in case #12 showing neoplastic lymphocytes with light basophilic cytoplasm and delicate villous/“hairy” projections (a hematoxylin and eosin, ×400; inset, ×1000). Bone marrow aspirate smear in patient #15 showing leukemic cells with oval nuclei, dispersed chromatin and small nucleoli (b hematoxylin and eosin, ×400; inset, ×1000). Leukemic cells with binucleation, convoluted nuclei (c, d, case #11) and blastic chromatin (e case #11 and f case#4) (c–f Wright–Giemsa, ×1000)