Figure 2.

A 32-year-old male with a lumbar chordoma and neck pain. A and B, Sagittal postcontrast T1-weighted images of the cervical spine demonstrate no evidence of metastases. C and D, Sagittal short tau inversion recovery (STIR) images demonstrate hyperintense nodules in the CSF of the cervical spine and upper thoracic spine (arrows). A leptomeningeal metastasis is also noted at the craniocervical junction. D and E, CT myelography confirms the presence of space-occupying lesions in the CSF (arrows). CSF indicates cerebrospinal fluid; CT, computed tomography.