Abstract
Methods and materials Seventy-seven patients were divided into two groups based on the syrinx/cord (S/C) ratio: one with distended syrinx (S/C ratio > 0.5) and the other with non-distended syrinx (S/C ratio < 0.5). Anteroposterior diameter of the spinal canal was measured at each cervical level on midsagittal T2-weighted MR images, and a linear trend line was ft by least-square regression to calculate the taper ratio. With the Kruskal-Wallis test, taper ratios were compared between the two groups and further evaluated with respect to age and gender.
Highlights
To investigate whether taper ratio of the cervical spinal canal differs between distended and non-distended syringes in patients with Chiari malformation-associated syringomyelia
Seventy-seven patients were divided into two groups based on the syrinx/cord (S/C) ratio: one with distended syrinx (S/C ratio > 0.5) and the other with non-distended syrinx (S/C ratio < 0.5)
Anteroposterior diameter of the spinal canal was measured at each cervical level on midsagittal T2-weighted MR images, and a linear trend line was ft by least-square regression to calculate the taper ratio
Summary
Zezhang Zhu, Shifu Sha, Xu Sun, Zhen Liu, Huang Yan, Weiguo Zhu, Jun Jiang*, Yong Qiu From The 10th Meeting of the International Research Society of Spinal Deformities (IRSSD 2014 Sapporo) Sapporo, Japan. 29 June - 2 July 2014 Study design A retrospective radiographic review.
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