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1、神经系统感染性疾病神经系统感染性疾病 I. Acute pyogenic meningitis 急性化脓性脑膜炎病因青少年: meningococcus 脑膜炎双球菌发病机制病人带菌 者飞沫呼吸道上呼吸 道脑膜血 Epidemic meningitis 流行性脑膜炎（流 脑） 局部炎 症医学课件园 病 变Pyogenic inflammation of leptomeninges 软脑膜蛛网膜的化脓性炎 肉眼：脑脊膜血管高度扩张充血，蛛网膜下腔充满脓性渗出物光镜：嗜中性白细胞为主的炎细胞 浸润Acute pyogenic meningitis医学课件园 医学课件园 Here is anothe
2、r example of an acute meningitis from bacterial infection. The cerebrospinal fluid (CSF) in such cases typically has a low glucose, high protein, and many PMNs. A gram stain should be done to identify organisms.医学课件园 a gram stain reveals gram negative diplococci within a neutrophil, typical for Neis
3、seria meningitidis. Gram stain and culture can be performed on cerebrospinal fluid obtained via lumbar puncture. A variety of bacteria can cause meningitis, but several are more common, and have an incidence more frequent at certain ages:191医学课件园 医学课件园 医学课件园 医学课件园 临床病理联系颅内压增高脑膜刺激症状脑脊液变化结局和后遗症脑膜粘连颅神经受损Acute pyogenic meningitis 医学课件园 角弓反张医学课件园
