
Keywords: شریان پرکالوزال; ACA-ACA bypass; Complex intracranial aneurysm; In situ bypass; Intracranial-intracranial bypass; MCA-MCA bypass; PICA-PICA bypass; Side-to-side anastomosis; A2; Postcommunicating or infracallosal segment of the anterior cerebral artery; A3; Precallosal se