Illustration of Case 2. (A) A peripheral blood smear (neutrophil and basophil images), showing normal-appearing neutrophils and mild basophilia. (B) Bone marrow aspirate smear shows increased eosinophils (13%) and small hypolobated megakaryocytes. (C, D) Bone marrow biopsy is markedly hypercellular, with a slightly increased myeloid to erythroid ratio and many small hypolobated megakaryocytes.