1病例报告患者男,53岁。因确诊右膝滑膜炎在本院接受治疗,给予血塞通注射液400mg+0.9%氯化钠250ml,每天1次,静脉滴注。次日右膝内侧出现3cm×3cm红斑,余无不适,疑为压红未予处理,继续上述治疗。第3天出现双下肢大面积出血点,并逐渐增多遍及全身,出血点初为鲜红色,渐转为暗红,伴双膝及 1 case report Patient male, 53 years old. Due to the diagnosis of right knee synovitis in our hospital for treatment, given Xuesaitong injection 400mg + 0.9% sodium chloride 250ml, 1 day, intravenous infusion. The next day the right knee appeared 3cm × 3cm erythema inside, I have no discomfort, suspected red pressure is not processed, continue the treatment. On the third day, a large area of ​​both lower extremities bleeding, and gradually increased throughout the body, bleeding at the beginning of the bright red, gradually turned dark red, with knees and