Headache caused by and associated with other symptoms and signs of neurosarcoidosis.
- Any headache fulfilling criterion C
- Neurosarcoidosis has been diagnosed
- Evidence of causation demonstrated by at least two of the following:
- headache has developed in temporal relation to the onset of the neurosarcoidosis
- either or both of the following:
- a) headache has significantly worsened in parallel with worsening of the neurosarcoidosis
- b) headache has significantly improved in parallel with improvement in the neurosarcoidosis
- headache is accompanied by one or more cranial nerve palsies
- Not better accounted for by another ICHD-3 diagnosis.
Other manifestations of neurosarcoidosis include aseptic meningitis, cranial nerve lesions, intracranial space-occupying lesion(s) on brain MRI, periventricular inflammatory focal lesions and/or homogeneously enhancing mass lesions on brain or spinal MRI that are confirmed on biopsy as non-caseating granulomas.