Figure 2
Artist’s drawing describing the surgical clipping of the right precommunicating segment dissecting aneurysm. Abbreviations: A, dissecting aneurysm; A1L, precommunicating segment of the left anterior cerebral artery; AcoA, anterior communicating artery; ICAL, left internal carotid artery; ICAR, right internal carotid artery; *, hypoplasia of the distal part of the precommunicating segment of the right anterior cerebral artery; arrow, surgical clip at the origin of the right precommunicating segment tract.