Figure 3: Operative view, at the operative microscope, of the vascular conflict between trigeminal nerve and anterior inferior cerebellar artery (A) and view of the trigeminal nerve separated from the artery (anymore visible) by a patch of synthetic dura mater (B) A: long black arrow = trigeminal nerve; short black arrow = anterior inferior cerebellar artery (AICA) B: long black arrow = trigeminal nerve; short black arrows = patch of synthetic dura mater which separates trigeminal nerve from AICA