首都医科大学学报 ›› 2006, Vol. 27 ›› Issue (4): 524-526.

• 临床研究 • 上一篇    下一篇

人创伤性脑内血肿周边皮质微环境超微结构的研究

汤劼1,2, 李健1, 李京生1, 刘伟明1, 孙异临2, 赵继宗1   

  1. 1. 首都医科大学附属北京天坛医院神经外科;2. 北京市神经外科研究所
  • 收稿日期:2005-04-22 修回日期:1900-01-01 出版日期:2006-08-24 发布日期:2006-08-24

The Ultrastructure of Cortex Adjacent to Traumatic Intracerebral Hematoma in Human

Tang Jie1,2, Li Jian1, Li Jingsheng1, Liu Weiming1, Sun Yilin2, Zhao Jizong1   

  1. 1. Department of Neurosurgery, Beijing Tiantan Hospital, Capital University of Medical Sciences;2. Beijing Neurosurgical Institute
  • Received:2005-04-22 Revised:1900-01-01 Online:2006-08-24 Published:2006-08-24

摘要: 目的 观察创伤后脑内血肿周边皮质微环境超微结构的变化,探讨其与距血肿的距离增加的关系.方法 用前瞻性研究方法,采集2003年10月至2004年2月间创伤性脑内血肿患者清除术中标本.每例取2份标本,分别为血肿边缘组织(邻血肿区)及其外周0.5 cm处的脑组织(周边区),对标本进行透射电镜检查.结果 共23例患者(46份标本),其中男性16例,女性7例.透射电镜检查发现血肿周边皮质内神经细胞、胶质细胞、轴索、血-脑脊液屏障等超微结构发生明显的破坏.但周边区内的破坏程度比邻血肿区轻.结论 人脑创伤后随着离血肿周边距离的增加,其损伤程度也减轻.皮质内星形细胞等胶质细胞对神经细胞和血-脑脊液屏障的稳定性起重要作用.血肿周边皮质组织中存在尚未坏死的成分,术中应该尽可能的保留并加强术后治疗以挽救神经功能.

关键词: 创伤性脑内血肿, 超微结构, 神经元, 星形细胞

Abstract: Objective To study the ultrastructure of cortex tissue adjacent to traumatic intracranial hematoma(TIH) and the variation of severity according to the distance to the core of the hematoma.Methods The specimens were obtained from patients suffering from TIH October 2003 to February 2004.The specimen were from two sites adjacent to the core of TIH.One is from the just adjacent to TIH(adjacent area,AA),and the other is 0.5 cm farther AA (periphery area,PA).Transmission electron microscope(TEM) examination was undertaken in all specimens.Results Totally 23 patients(46 specimen) were available for the study.The TEM demonstrated severe ultrastructure damage in the tissue adjacent to TIH,including neuron,glial cell,axon,blood brain barrier(BBB),etc.The severity of AA is less than PA.Conclusion Significant ultrastructure damage develop in tissue adjacent TIH.The glial cell,as astrocyte,act as important role to support neuron and BBB.The severity of damage decreases with the increasing distance.Some component of tissue adjacent to TIH is still viable if the postoperative treatment is sufficient,therefore this part is worth preserving.

Key words: traumatic intracerebral hematoma, ultrastructure, neuron, astrocyte

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