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首页> 外文期刊>Journal of Veterinary Internal Medicine >Morphometric analysis of spinal cord termination in Cavalier King Charles Spaniels
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Morphometric analysis of spinal cord termination in Cavalier King Charles Spaniels

机译：骑士查理王猎犬脊髓末端的形态计量学分析

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Background There is an association between Chiari malformations, syringomyelia (CMSM) and tethered cord syndrome (TCS) in people, suggesting Cavalier King Charles Spaniels (CKCS) with CMSM could also have TCS. Currently there are no data on the position of the caudal spinal cord structures in CKCS. Objective To describe and compare location of spinal cord termination in CKCS with weight‐matched controls and to examine the relationship between SM and spinal cord termination. Animals Thirty‐nine CKCS and 33 controls with thoracolumbar MRIs; 34 of 39 CKCS also had cervical MRIs. Methods Blinded retrospective study. Spinal cord and dural sac termination were determined from T2‐weighted sagittal and transverse images and half‐Fourier acquisition single‐shot turbo spin echo sequences. Intra‐observer reliability was determined using kappa analysis. Presence of SM was compared with location of spinal cord and dural sac termination. Results Intra‐observer reliability was moderate for identifying spinal cord termination (Kappa?= 0.6) and good for dural sac termination (Kappa?= 0.8). The spinal cord terminated at lumbar vertebra 6 (L6) in 1, 7 (L7) in 22, and sacrum in 16 CKCS versus 9 at L6, 23 at L7, 1 at sacrum in controls. Spinal cord ( P ?.001) and dural sac ( P =?.002) termination were significantly more caudal in CKCS compared to controls. The presence of thoracolumbar SM was associated with more caudal dural sac termination in CKCS ( P =?.03). Conclusions and Clinical Importance The relationship between TL SM and possible spinal cord tethering because of a more caudal dural sac termination should be investigated.
机译：背景人们的Chiari畸形，脊髓空洞症（CMSM）和系绳综合征（TCS）之间存在关联，这表明患有CMSM的骑士查尔斯国王西班牙猎狗（CKCS）也可能患有TCS。目前尚无关于CKCS中尾椎脊髓结构位置的数据。目的描述和比较体重匹配对照在CKCS中脊髓末端的位置，并探讨SM与脊髓末端之间的关系。动物39例CKCS和33例采用胸腰部MRI的对照组; 39个CKCS中的34个也进行了MRI。方法采用盲法回顾性研究。根据T2加权矢状和横断面图像以及半傅里叶捕获单发涡轮自旋回波序列确定脊髓和硬脑膜囊的终止。使用kappa分析确定观察者内部的可靠性。将SM的存在与脊髓和硬膜囊终止的位置进行了比较。结果观察者的内部可靠性对于识别脊髓端接是适度的（Kappa = 0.6），对于硬膜囊端接则是良好的（Kappa = 0.8）。对照中，脊髓分别在22、1、7（L7）的腰椎6（L6）和16 CKCS的骨处终止，而L6的9、23的L7处，terminated骨的1处终止。与对照组相比，CKCS的脊髓（P

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