Table 1.
Summary of included patients.
Figure 1.
MRI findings of a cyst in the sacral spinal canal, a low-lying tethered cord and a intramedullary tumor at L3 level.
Figure 2.
MRI findings of a cyst in the sacral spinal canal and low-lying tethered cord with syringomyelia.
Figure 3.
MRI study of recurrence of the cyst.A: Preoperative MRI showing a cyst in sacral spinal canal.
B: Postoperative MRI showing the cyst reoccurring 8 months after the operation.
Figure 4.
MRI study of progression of the cyst.
A: MRI showing two cysts in sacral spinal canal. B: MRI showing that the cysts had grown.