1资料患者,男性,32岁,因无明显诱因下出现双下肢膝关节疼痛于1996年7月到来我院住院治疗。体检:重度贫血貌,皮肤未见出血点,浅表淋巴结未触及,胸骨压痛明显,心率90次/min,律齐,无病理性杂音,双肺未闻及干湿性音,肝脾肋下未及。实验室检查:白细胞1.5×109/L,红细胞2.40×109/L,血红蛋白61g/L,血小板50×109/L;骨髓穿刺示骨髓增生极度活跃,原幼淋巴细胞占90%;细胞化学染色:原幼稚细胞POX染色阴性;PAS染色87%阳性。诊断为急性淋巴细胞白血病 1 data patients, men, 32 years old, there was no obvious incentive for lower extremity knee pain in July 1996 came to our hospital. Physical examination: severe anemia appearance, skin no bleeding point, superficial lymph nodes not touched, sternal tenderness, heart rate 90 beats / min, law Qi, no pathological murmur, lungs unhealthy and wet and dry  sound, liver and spleen ribs Not yet under. Laboratory tests showed that the white blood cells were 1.5 × 109 / L, erythrocytes 2.40 × 109 / L, hemoglobin 61g / L, platelets 50 × 109 / L; bone marrow aspirate showed bone marrow hyperplasia was extremely active, the original baby lymphocytes accounted for 90%; Cytochemical staining: Primary naive cells POX staining; PAS staining 87% positive. Diagnosis of acute lymphoblastic leukemia