Presentation
Muscle weakness.
Patient Data
Age: 5 years
Gender: Female
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_pin":false},"extraPropsURL":"/studies/63217/annotated_viewer_json?lang=us"}
There is cerebellar tonsils descent through foramen magnum compressing the cervicomedullary junction with resultant whole spinal cord syrinx. No associated hydrocephalic changes.
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_pin":false},"extraPropsURL":"/studies/63371/annotated_viewer_json?lang=us"}
The tonsillar herniation is estimated to be 7.2 mm below the foramen magnum (Chiari 1 malformation >6 mm).
Case Discussion
Child with a Chiari 1 malformation and resulting extensive syrinx involving the whole spinal cord (Holocord presentation).