Many secondary conditions have been reported to be possible causes of<unk> , according to Mehta et al., most of which are arterial abrasions or tumors. These include aneurysms in the circle of Willis, middle cerebral artery infarction, parietal arteriovenous malformation, cavernous sinus and petrous ridge meningiomas, pituitary adenoma, Pancoast tumor, gangliocytoma of the sella turcica, and malignant frontal tumors. This accentuates the urgency for those diagnosed with<unk>  to receive an MRI head scan.
Chronic paroxysmal hemicrania
Trigeminal autonomic cephalgia
Trigeminal trophic syndrome
Trigeminal neuralgia
Atypical trigeminal neuralgia
Post-dural-puncture headache
Alternating hemiplegia of childhood
Sporadic hemiplegic migraine