Friday, 26 August 2011

Myelography

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
Complications:
  • 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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