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1临床资料患者男,13岁,于左臀外侧三角肌附着处皮下注射麻腮风疫苗0.5mL,3d后接种部位周围出现米粒大小的红色皮疹,面部皮肤出现铜钱大小血斑块。接种前患者身体状况良好,接种后观察30min无异常。患者于接种后3d时,出现精神萎靡,发热(T 38.5℃)。皮肤科情况:接种部位、面部、四肢及躯干皮肤散在分布大小不一的紫癜,压之不退色(图1),无腹痛、无牙龈出血。两腿膝关节有轻微肿痛,双膝腱反应正常。实验室检
A clinical data of male, 13 years old, in the left gluteus deltoid muscle attachment subcutaneously mimicry vaccine 0.5mL, 3d after the inoculation site appeared the size of the rice-sized red rash, facial skin copper size of blood plaque. Before inoculation, the patients were in good health. No abnormalities were observed after 30 minutes of vaccination. Patients in the post-vaccination 3d, apathetic, fever (T 38.5 ℃). Dermatology: Vaccination sites, face, limbs and trunk skin scattered in different sizes of purpura, the pressure does not fade (Figure 1), no abdominal pain, no bleeding gums. Slight knee swelling and pain in both legs, knees tendon reaction was normal. Laboratory test