Fig. 1. Microscopic findings and FISH analysis of the small-cell type of plasma cell leukemia. Peripheral blood and bone marrow aspirate smears: small-cell type neoplastic plasma cells and atypical multinu-clear plasma cells (A), peripheral blood, Wright–Giemsa stain, ×400; (B), bone marrow, Wright–Giemsa stain, ×400; (C, D) bone marrow, Wright–Giemsa stain, ×1,000. (E) FISH analysis showing an IGH/ CCND1 rearrangement and p53 (17p) deletion (white arrow).
Abbreviation: FISH, fluorescence in situ hybridization.

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