Table 1 Description of neural abnormalities detected on preoperative MRI evaluation
Type of neural abnormality | Number of cases (%) |
|---|---|
Isolated Arnold-Chiari malformation | 43 (45.7 %) |
Arnold-Chiari malformation combined with syringomyelia | 18 (19.1 %) |
Isolated syringomyelia | 13 (13.8 %) |
Tethered cord combined with diastematomyelia | 6 (6.4 %) |
Diastematomyelia | 6 (6.4 %) |
Tethered cord | 4 (4.3 %) |
Intrinsic spinal cord tumor | 3 (3.2 %) |
Syringomyelia combined with tethered cord and tumor | 1 (1.1 %) |
Total number | 94 |