Figure 5

(a, b) (Case 14): (a) Low-grade B-cell lymphoma/leukemia involving bone marrow (hematoxylin and eosin, × 500). The neoplastic cells infiltrate in an interstitial pattern. (b) Peripheral blood smear shows that the neoplastic cells are of small size with visible to inconspicuous nucleoli, and scant amount of cytoplasm (Wright–Giemsa, × 1000).