Rupture of persistent primitive trigeminal artery-basilar artery aneurysm managed with stent-assisted coiling

• DOI: 10.4103/ajns.ajns_53_16
• Publication Date: 2022-01-04T09:34:29Z
• Authors: Marco Zenteno; Angel Lee; Luis Moscote-Salazar
• Keywords: Trigeminal artery; Endovascular coiling

Persistent primitive trigeminal artery (PPTA), a fetal carotid-basilar anastomosis, is the most common embryological vascular remnant persisting into adult age. However, reported cases associated with cerebral aneurysms are rare. A 33-year-old female presented an extremely rare PPTA-basilar (PPTA-BA) aneurysm manifesting as subarachnoid hemorrhage. Computed tomography revealed bleeding in prepontine cistern, and angiography disclosed PPTA-BA aneurysm. The was managed stent-assisted coiling technique to achieve complete obliteration. patient discharged without neurological deficits 2 weeks later. At 6 months follow-up, doing well has returned her previous daily activities. usually present cranial nerve palsy sometimes carotid-cavernous fistulae if they rupture. Their deep seating favors interventional management first option this case illustrates efficacy safety of endovascular treatment. This adds evidence that techniques safe effective tool managing artery. Even where anastomosis itself not preserved, can be satisfactorily, provided patency basilar carotid kept, like our patient.