Case 24

Clinical History:
        A seven-year-old boy had had back pain for 1 year and weakness of his lower extremities for 2 weeks. Here are plain films and MRI scans of his spine.
.


Figure 1. Plain films of his lumbosarcal spine, anteroposterior
and lateral views


Figure 2. Sagittal T1-weighted MR image (right), sagittal
FSE T2-weighted MR image (middle), and postcontrast
sagittal T1-weighted MR image (left) of his lumbosacral
spine.


Figure 3. Postcontrast axial T1-weighted MR image
at the L2 level.


What is your diagnosis?
 

ANSWER