16. Queckenstedt’s Phenomenon压颈试验,或梗阻试验
Hans Heinrich George Queckenstedt:德国内科医师,1876~1918
颈静脉一侧或两侧受压时,健康人的脊髓液压力急速升高,不再施压则马上恢复正常,若椎管内有阻塞,则无此现象。
意义:了解蛛网膜下腔有无阻塞
36. 504例腰腿痛患者,男性231,女性273
MRI显示圆锥位置T12-L3,Saifuddin A, Burnett SJ, White J. The variation of position of the conus medullaris in an adult population. A magnetic resonance imaging study.
Spine,1998,23(13):1452-6.