1病历摘要男,56岁。主因面色苍白、乏力、齿龈出血2个月及皮肤紫癜3d于1994年12月17日就诊。就诊前2个月,无明显诱因出现面色苍白、明显乏力、间断齿龈出血,未给予重视。3d前出现左前臂紫癜一处,3d后左上臂、双下肢、躯干出现多处散在瘀斑。既往体健,否认有毒物质接触史,家居未 1 medical record summary male, 56 years old. Mainly pale, weakness, bleeding gums 2 months and skin purpura 3d in December 17, 1994 treatment. Two months before the visit, no obvious incentive appeared pale, obviously weak, intermittent bleeding gums, did not pay attention. Pre-3d appeared left forearm purpura, 3d after the left upper arm, both lower extremities, torso appeared scattered scattered ecchymosis. Past physical health, denied the contact history of toxic substances, home not yet