34-year-old female status post Chiari decompression experiencing headache, subjective balance issues, as well as pressure in head Redemonstrated are changes from previous suboccipital craniectomy for treatment of Chiari malformation. A previously demonstrated extradural fluid collection has resolved, resulting in resolution of mass effect upon the adjacent dura, with commensurate increase in the CSF space at the distal aspect of the tonsils. As before, there is biphasic CSF flow at the level of the cerebellar tonsils. Redemonstrated is straightening cervical spinal may be positional. There are no fractures or subluxations. The marrow signal is benign. The cervical and upper thoracic cord are normal in signal. The cervicomedullary junction is normal. The cerebellar tonsils are in normal position. The visualized paraspinal contents are unremarkable.C2/3: Unremarkable and unchangedC3/4: Unremarkable and unchangedC4/5: Unremarkable and unchangedC5/6: Unremarkable and unchangedC6/7: Mild disc bulge and bilateral uncinate hypertrophy. There is mild bilateral neural foraminal stenosis. These findings are unchanged.C7/T1: Unremarkable and unchanged
1.Redemonstrated are changes from previous suboccipital craniectomy for treatment of Chiari malformation. A previously demonstrated extradural fluid collection has resolved, resulting in resolution of mass effect upon the adjacent dura, with commensurate increase in the CSF space at the distal aspect of the tonsils. As before, there is biphasic CSF flow at the level of the cerebellar tonsils.2. C6/7: Mild bilateral neural foraminal stenosis, unchanged.