Anastomosis between an extracranial C1/2-origin left posterior inferior cerebellar artery and the V4 segment of the vertebral artery diagnosed by magnetic resonance angiography
本文报告了首例通过磁共振动脉成像(MRA)诊断出的先天性动脉环病例,该动脉环由起源于颅外 C1/2 段的左侧后下小脑动脉(PICA)与左侧椎动脉 V4 段之间的吻合而成,并强调了其作为脑血管疾病中关键侧支通路的可能性。