患者因骨关节痛及发热,先后诊为风湿性关节炎和急性乳腺炎、急性扁桃体炎、牙周炎。后查周围血有幼稚细胞、骨髓有核细胞增生极度活跃,淋巴系异常增生,原淋占89.25％,粒红两系受抑制,全片见2个巨核细胞,血小板散在少见。始诊为急性淋巴细胞白血病,经化疗CR。指出3次血检淋 Patients with bone and joint pain and fever, has been diagnosed with rheumatoid arthritis and acute mastitis, acute tonsillitis, periodontitis. Check the surrounding blood after the immature cells, bone marrow hyperplasia of nucleolar cells extremely active, abnormal lymphoid hyperplasia, the original leaching accounted for 89.25%, two lines of red granules were inhibited, see the whole piece of 2 megakaryocytes, platelet scattered rare. Initial diagnosis of acute lymphoblastic leukemia, chemotherapy CR. Pointed out three blood test leaching