Table 2:

Migraine diagnostic and treatment modalities prior to acquisition of MR neurography

BotoxNerve BlockRadiofrequency AblationPrevious OperationaPrevious Head/Neck Imagingb
13 (72%)5 (28%)15 (83%)3 (17%)5 (28%)13 (72%)6 (33%)12 (67%)6 (33%)12 (67%)
  • a Previous migraine operations included occipital nerve neurectomies or neurolysis.

  • b All previous imaging was either standard 1.5T of the brain or cervical spine MRI or CT and evaluated as negative for pathology related to migraine symptoms.