Pericallosal artery aneurysm classification
Proximal pericallosal artery aneurysm or A2 anterior cerebral artery aneurysm
Clasical pericallosal artery aneurysm or A3 anterior cerebral artery aneurysm
Unruptured pericallosal artery aneurysm
Traumatic pericallosal artery aneurysm
Anterior communicating artery aneurysm and pericallosal artery aneurysm