硬脑膜剥离囊肿：硬膜外脑膜囊肿的一个更准确术语。
Dural dissection cyst: a more accurate term for extradural meningeal cyst.
作者信息
Chen Zan, Sun Xiao-Li, Zhao Yan, Wang Kun, Jian Feng-Zeng
机构信息
Department of Neurosurgery, XuanWu Hospital, Capital Medical University, Beijing, China.
出版信息
CNS Neurosci Ther. 2014 Jun;20(6):515-20. doi: 10.1111/cns.12246. Epub 2014 Mar 31.
AIMS
Spinal extradural meningeal cyst (EMC) aetiology remains unclear. Based on our in-depth analysis of EMC clinical characters, we propose the alternative term 'dural dissection cyst' (DDC), which is more consistent with its aetiology and pathological manifestations.
METHODS
We examined the clinical, imaging and operative findings of four patients with spinal EMC (type I A) and analysed the aetiology and treatment of the cyst.
RESULTS
Spinal DDC was observed between T10 and L3 in our series. Patients presented with low back pain, lower extremity numbness and weakness, and segmental muscle atrophy. Small clefts were found on the inner wall of all cysts. Microscopic suture of the cleft successfully improved patient's symptoms and neurological deficits.
CONCLUSIONS
Spinal EMC (type I A) is characterized by dural dissection, so the term DDC can best reflect its aetiology. Because it is a dissection cyst, the most reasonable treatment is to suture the fistula.
目的
脊柱硬膜外脑脊膜囊肿（EMC）的病因仍不清楚。基于我们对EMC临床特征的深入分析，我们提出了替代术语“硬脊膜剥离囊肿”（DDC），这与其病因和病理表现更为一致。
方法
我们检查了4例脊柱EMC（I A型）患者的临床、影像学和手术结果，并分析了囊肿的病因和治疗方法。
结果
在我们的系列研究中，脊柱DDC见于T10至L3之间。患者表现为腰痛、下肢麻木和无力，以及节段性肌肉萎缩。在所有囊肿的内壁均发现小裂隙。对裂隙进行显微缝合成功改善了患者的症状和神经功能缺损。
结论
脊柱EMC（I A型）的特征是硬脊膜剥离，因此术语DDC最能反映其病因。由于它是一个剥离囊肿，最合理的治疗方法是缝合瘘管。
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