MRI
1. Brain. What is your primary diagnosis? What additional sequence (if any) would you like? 2. Spine. What is your diagnosis? 3. What is the association between the brain and spine findings?
1. Superficial siderosis. GRE / SWI. 2. Subdural fluid collection due to a dural defect from previous surgery. 3. In recent years, a longitudinal extra-arachnoid intraspinal fluid-filled collection has been frequently noted in patients with SS (see reference).
Extensive anterior subdural collection in the cervico-thoracic spine.
Previous anterior fusion at C3-5 and L4-S1.