Fig. 2　 Imaging findings at the time of admission

X-ray（A） and sagittal computed tomography（B） images demonstrate that most of the L5 vertebral body was destroyed. Sagittal T1-weighted（C-1）, T2-weighted（C- 2）, short tau inversion recovery sequence（C-3） magnetic resonance images demonstrate that the tumor had invaded most of the L5 vertebral body. Sagittal T1-weighted images of the bilateral intervertebral foramen（D-1; Right side, D-2; Left side） demonstrate that the tumor had severely compressed the L5 nerve roots, bilaterally.