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高×,女,9岁,1974年2月10日入院。8天前注射流脑吸附菌苗0.5毫升。次晨诉下肢及膝关节疼痛。第3天晨疼痛加重,臀部及下肢布满红疹,予以强地松、苯海拉明、四环素、钙剂等治疗,2天后红疹减少,疼减。入院前一天紫斑又增多,病前无特殊饮食及药史。体检:臀部以下呈对称性、大小不等紫癜,略凸起,暗红色。左大腿外侧有一约3×4厘米片状瘀斑,中心可见水泡,并有少数斑丘疹并存。二前臂有散在瘀点。下肢、伸面皮疹尤多。心肺肝脾未见异常。化验室检查:红细胞355万/立方毫米,血红蛋白10克％,白细胞11300/立方毫米,中性粒细胞59％,淋巴细胞39％,嗜酸粒细胞2％。血小板15万。出血时间1分,凝血时间1分(玻片法)。血沉3毫米/小时。大便常规:蛔虫卵0—1低倍视
High ×, female, 9 years old, February 10, 1974 admission. Eight days ago injection of meningococcal bacteria vaccine 0.5 ml. Next morning v. Lower extremity and knee joint pain. The morning of the third day increased pain, buttocks and lower extremities covered with rash, to strong pine, diphenhydramine, tetracycline, calcium and other treatment, 2 days after the rash to reduce pain reduction. Purple day before admission and increased, no special diet and medicine before the disease history. Physical examination: symmetrical below the buttocks, ranging in size purpura, slightly raised, dark red. Left lateral thigh about a 3 × 4 cm patchy ecchymosis, blisters visible center, and a few rash co-exist. Second forearm scattered petechia. Lower extremities, extension rashes in particular. No abnormal heart and lung liver and spleen. Laboratory tests: RBC 3.55 million / cubic mm, hemoglobin 10 g%, white blood cells 11300 / cubic mm, 59% of neutrophils, lymphocytes 39%, 2% of eosinophils. 150,000 platelets. Bleeding time 1 minute, clotting time 1 minute (slide method). ESR 3 mm / h. Stool routine: roundworm eggs 0-1 low power