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目的:分析大脑镰旁硬膜下积液的CT表现和形成原因。方法:回顾性分析23例具有完整资料的大脑镰旁硬膜下积液的CT表现。结果:大脑镰旁硬膜下积液可出现在大脑镰旁的不同部位,以骈上部多见,为局限性或贯通全长的细条状或宽带状脑脊液样密度影,内缘紧贴大脑镰侧平直而光整,外缘呈弧形或波浪状。结论:大脑镰旁硬膜下积液是硬膜下积液的一种特殊类型,通过分析其CT征象,可以作出正确的诊断。
Objective: To analyze the CT manifestations and the causes of formation of paracentesis in the paralysis of the brain. Methods: A retrospective analysis of 23 cases with complete information on the falx next to the falx paracentesis CT findings. Results: The paraplegia paraquat effusion may appear in different parts of the falx next to the brain to more common in the upper part of the upper part of the limited or through the entire length of the strip or wide cerebrospinal fluid density, the inner edge close to the sickle Side straight and smooth, the outer edge of the arc or wavy. Conclusion: Subdural effusion is a special type of subdural effusion. By analyzing CT signs, correct diagnosis can be made.