Brugières P, Iffenecker C, Hurth M, Parker F, Fuerxer F, Idy-Peretti I, Bittoun J
Service de Neuroradiologie, Hôpital Henri-Mondor, Créteil.
Neurochirurgie. 1999 Jun;45 Suppl 1:115-29.
We report the results of a MR velocity study of the cerebrospinal fluid including 36 patients with syringomyelic cysts (25 with a foraminal syringomyelia, 7 with a post-traumatic cyst, 2 with a tumoral spinal cord cyst, 2 with a spinal arachnoiditis). Velocity measurements were performed in the cysts and in the pericystic subarachnoid spaces and compared with clinical data, evolutive pattern of the disease, cyst volume, degree of stenosis of the cranio-cervical junction (in patients with Chiari I) or of the spinal canal (in post-traumatic cases), and with the extension of the cyst (post-traumatic cases). Cyst velocities correlated in the pre operative course with the clinical status of the patients and with the volume of the cyst. Correlation with the degree of foraminal stenosis was uncertain and no correlation was found with the duration of the disease course. In the post-operative course cyst velocity decreased and velocity of the subarachnoid spaces increased. Onset of the systolic peak occurred sooner in the cyst than in the subarachnoid spaces. We believe that this point may be important in the pathogenesis of the disease. We consider that systolic and diastolic cyst velocities respectively greater than 2.3 cm/s and 1.5 cm/s in the post-operative course may characterize aggressive cysts. In the future comparison of velocity measurements in patients with Chiari I without syrinx and patients with Chiari I related syringomyelia may be helpful for a better understanding of the natural history of the syringomyelia.
我们报告了一项关于脑脊液的磁共振速度研究结果，该研究纳入了36例患有脊髓空洞症囊肿的患者（25例为枕骨大孔区脊髓空洞症，7例为创伤后囊肿，2例为肿瘤性脊髓囊肿，2例为脊髓蛛网膜炎）。在囊肿及囊肿周围蛛网膜下腔进行了速度测量，并与临床数据、疾病演变模式、囊肿体积、颅颈交界处狭窄程度（对于Chiari I型患者）或椎管狭窄程度（创伤后病例）以及囊肿范围（创伤后病例）进行了比较。术前囊肿速度与患者临床状况及囊肿体积相关。与枕骨大孔狭窄程度的相关性不确定，且未发现与病程持续时间相关。术后囊肿速度降低，蛛网膜下腔速度增加。囊肿收缩期峰值的出现早于蛛网膜下腔。我们认为这一点在疾病发病机制中可能很重要。我们认为术后囊肿收缩期和舒张期速度分别大于2.3 cm/s和1.5 cm/s可能是侵袭性囊肿的特征。未来，对无脊髓空洞的Chiari I型患者和与Chiari I相关的脊髓空洞症患者的速度测量结果进行比较，可能有助于更好地理解脊髓空洞症的自然病史。
