17 years, Female, with bilateral lower extremity pain and systemic symptoms concerning for rheumatologic process. No restricted diffusion to suggest acute ischemia. No intracranial hemorrhage. No intracranial mass or mass-effect. The ventricles are within normal limits in size and configuration. Borderline low-lying cerebellar tonsils are noted without clear evidence of Chiari I malformation. No abnormal parenchymal or meningeal enhancement. Major flow-voids are preserved.Sella and orbits are grossly within normal limits. Paranasal sinuses and mastoid cells are clear. Bone marrow signal and extracranial soft tissues are within normal limits.
MRI brain is within normal limits. Specifically, no evidence of inflammatory/rheumatologic process.