患者男,22岁,进行性头昏,乏刀,纳差、鼻衄一月,加重半月、门诊血常规:Hb71g/L,白细胞1.92×10~11/L,95%为原始细胞,血小板18×10~9/L,以“白血病”收住入院。体检:BP14.6/9.6kPa(110/72mmHg),消瘦贫血貌,全身皮肤粘膜有散在出血点、紫癜,颔下、颈前、腋下可及黄豆至蚕豆大小的淋巴结,胸骨下1/3明显压痛,心肺(一),腹软,肝肋下3cm,脾肋下4cm,质中无压痛。骨髓象检查:有核细胞增生活跃,以原始细胞增生为主,幼稚细胞占85%,该细胞大小较一致,浆少蓝染,较透明,核圆,少数有凹陷,染色质细致均匀,核仁隐约可见,其余造血系统被抑。诊断:急性淋巴细胞白血病Ⅰ型。患者于入院后第5天突感左上腹剧烈疼痛,随 Male, 22 years old, progressive dizziness, lack of knife, anorexia, epistaxis January, aggravating half a month, outpatient blood routine: Hb71g / L, white blood cells 1.92 × 10 ~ 11 / L, 95% of the original cells, platelets 18 × 10 ~ 9 / L, with “leukemia” admitted to hospital. Physical examination: BP14.6 / 9.6kPa (110 / 72mmHg), emaciated anemia, systemic skin and mucous membrane scattered bleeding point, purpura, chin, neck, armpits and beans to the size of beans, the lower third Obvious tenderness, heart and lung (a), abdominal soft, liver ribs 3cm, spleen ribs 4cm, no tenderness in the quality. Bone marrow examination: active nucleated cells proliferate, mainly to the proliferation of primitive cells, 85% of naive cells, the size of the more consistent, less blue-stained pulp, more transparent, nuclear round, a few have depression, chromatin fine uniform, nuclear Ren looming visible, the rest of the hematopoietic system suppressed. Diagnosis: Acute lymphoblastic leukemia type Ⅰ. On the 5th day after admission, the patient suddenly felt a sharp pain in his left upper quadrant