 There are post-surgical related to Chiari decompression. There is a residual extradural CSF intensity fluid collection remains that measures up to 5 mm in thickness, previously 11 mm. The inferior cerebellum has an unchanged configuration. There is biphasic CSF flow anterior across the anterior neo-foramen magnum, but somewhat blunted CSF flow posteriorly. The vertebral body heights and alignment are unchanged. There is no evidence of syringohydromyelia. The bone marrow signal is unremarkable. A posterior disc-osteophyte complex at C5-6 and ligamentum flavum thickening result in spinal canal stenosis, which appears to have slightly progressed.
1.Post-surgical findings related to related to Chiari decompression with a small amount of residual extradural fluid in the surgical bed, which may represent a pseudomeningocele.2.No evidence of cervical syringohydromyelia.3.Slight increase in spinal canal stenosis at the C5-6 level related to a disc-osteophyte complex and ligamentum flavum thickening. I personally reviewed the Images and/or procedure with the Resident/Fellow and agree with this report.