Fig. 1From: Histiocytic sarcoma combined with acute monocytic leukemia: a case reportComparison of cytology of bone marrow cells before and after treatment of HS (×1,000, Wright–Giemsa stain). a A bone marrow smear on first admission showed there were granulocytic predominance and no significant increase in monocytes. There was abnormal hematopoiesis in granulocyte, erythroid and megakaryocytic series in different extent with 3 % blasts. b A bone marrow smear after 4 courses of CHOP chemotherapy showed abnormal hematopoiesis was disappeared, although 2 % blasts remainedBack to article page