MR thin (0.7 mm) CISS type sequences of the normal cerebello-pontine angles (A) axial and (B) coronal sections showing the cochlear nerve in the internal.

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 MR thin (0.7 mm) CISS type sequences of the normal cerebello-pontine angles (A) axial and (B) coronal sections showing the cochlear nerve in the internal auditory canal leading to the fundus and the loop of the anterior inferior cerebellar artery on the right.  MR thin (0.7 mm) CISS type sequences of the normal cerebello-pontine angles (A) axial and (B) coronal sections showing the cochlear nerve in the internal auditory canal leading to the fundus and the loop of the anterior inferior cerebellar artery on the right. I Bone, and D M Hadley J Neurol Neurosurg Psychiatry 2005;76:iii29-iii38 ©2005 by BMJ Publishing Group Ltd