Figure 1. Computed tomography revealed splenomegaly (A) and inguinal lymphadenopathy (B). Severe hypercellular marrow was occupied by blasts (C), presenting agranular small cytoplasm and fine chromatin (D). Bone marrow showed severe fibrosis (MF-3) (E) (magnification of all images ×400).
Figure 2. Blasts were positive for CD4, CD56, CD123, CD303, TCL-1, cMyc, and Bcl-2 and negative for TdT, myeloperoxidase, CD3, and CD8. Positive rate of Ki67 was approximately 30% (magnification of all images ×400).