Multiple sclerosis. There is no significant interval change in the multiple supratentorial and infratentorial high T2 signal lesions. Some of the lesions have low T1 signal. The ventricles and basal cisterns are unchanged in size and configuration. There is no midline shift or herniation. The major cerebral flow voids are intact. The orbits, skull, and scalp soft tissues are grossly unremarkable. There is a retention cyst in the right maxillary sinus. There is a disc osteophyte complex at C2-3 that abuts the spinal cord.
No significant interval change in the demyelinating lesions related to multiple sclerosis.