Indication:
- Largely superseeded by CT and MRI
- It is used in patients in whom MRI are contraindicated
- To screen whole spinal cord and cauda equina for compressive and expanding lesions
- To visualise roots
- To diagose spinal vasculature abnormalities
- Headache after 24hrs
- Low back ache
- Herniation of the posterior cranial fossa contents in cases of raised intracranial tension
- Hemorrhage in cases of traumatic Lumbar puncture while injecting dye
- Spinal arachnoiditis
- acute deterioration if there is compressive lesion Direct neurotoxicity like seizures,encephalopathy but resolves in 48hrs
- allergy to contrast
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