(A) Bone marrow aspirate (May-Grünwald-Giemsa, MGG) showing lymphoid hyperplasia represented by small cells with scant cytoplasm (magnification 400×); (B) Bone marrow biopsy (hematoxylin-eosin) showing lymphoid hyperplasia and simultaneous megakaryocytic hyperplasia, isolated and in groups (magnification 200×); (C) Bone marrow biopsy showing a population of small lymphoid cells that were CD5+ (magnification 200×); and (D) Bone marrow aspirate (MGG) showing large megakaryocyte with hyperlobated nucleus (magnification 1,000×).