Basilar artery aneurysm classification
Basilar artery aneurysms can be graded according to their diameter into small, (<12 mm), large (12–25 mm), and giant (>25 mm) 1) 2).
Distal basilar artery aneurysms
Distal basilar artery aneurysms (DBAs) consist of Basilar apex aneurysm and basilar artery-superior cerebellar artery bifurcation (BA-SCA) aneurysms
Basilar bifurcation aneurysm
Basilar trunk aneurysm
Giant Basilar artery aneurysm
Basilar aneurysms can be graded according to their diameter into small, (<12 mm), large (12–25 mm), and giant (>25 mm)
Fusiform basilar artery aneurysm
Traumatic basilar artery aneurysm
1)
Yasui T, Komiyama M, Iwai Y, et al. : Evolution of incidentally-discovered fusiform aneurysms of the vertebrobasilar arterial system: neuroimaging features suggesting progressive aneurysm growth. Neurol Med Chir (Tokyo). 2001;41(11):523–7 10.2176/nmc.41.523
2)
Wakhloo AK, Mandell J, Gounis MJ, et al. : Stent-assisted reconstructive endovascular repair of cranial fusiform atherosclerotic and dissecting aneurysms: long-term clinical and angiographic follow-up. Stroke. 2008;39(12):3288–3296 10.1161/STROKEAHA.107.512996