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Fig 3. A, Sagittal T1-weighted MR image at 3 years shows a new large homogeneous mass of low signal intensity (arrow), apparently arising from the lipomyelocele and distal spinal cord within the spinal canal. B, Postcontrast T1-weighted sagittal MR image shows multiple foci (arrowheads) of high signal intensity in the distal thoracic and lumbar spinal cord consistent with metastatic seeding. C, Sagittal postcontrast T1-weighted MR image demonstrates multiple foci (arrowheads) of high signal intensity in the brain stem and cervical and upper thoracic spinal cord, consistent with metastatic seeding.