<unk> e may form following closed or penetrating head trauma, surgical damage, rupture of an intracavernous aneurysm, or in association with connective tissue disorders, vascular diseases and dural<unk> s.
Carotid-cavernous fistula
Carotid artery dissection
Cirsoid aneurysm
Cavernous sinus thrombosis
Vertebral artery dissection
Vitreous hemorrhage
Carotid artery stenosis
Charcot–Bouchard aneurysm