Table 2.

Lesions associated with SUNCT-like syndromes.

Posterior Fossa Pathologies	Pituitary Pathology	Cavernous Sinus/Orbits	Other
Pilocytic astrocytoma Cavernous hemangioma Arteriovenous malformation Basilar impression Dorsal–lateral brainstem ischemic lesions Skull malformation HIV-related lesions Congenital skull bone malformations (e.g., osteogenesis imperfecta) Ischemic infarction Cysts Vascular malformations or venous angioma of the cerebellopontine junction Brainstem angiocavernoma	Micro/macroadenomas (prolactinomas the most frequent)	Neurofibromatosis type 2 Intracranial intraorbital metastasis Extracranial intraorbital cystic tumors Invasion of the cavernous sinus by macroprolactinomas	Vascular loops and trigeminal neurovascular conflict Eye trauma Leiomyosarcoma of the venous sinus