High-Resolution Isotropic Three-Dimensional MR Imaging of the Extraforaminal Segments of the Cranial Nerves

Jessica Wen, Naman S. Desai, Dean Jeffery, Nafi Aygun, Ari M Blitz

Research output: Contribution to journalReview article

Abstract

High-resolution isotropic 3-dimensional (D) MR imaging with and without contrast is now routinely used for imaging evaluation of cranial nerve anatomy and pathologic conditions. The anatomic details of the extraforaminal segments are well-visualized on these techniques. A wide range of pathologic entities may cause enhancement or displacement of the nerve, which is now visible to an extent not available on standard 2D imaging. This article highlights the anatomy of extraforaminal segments of the cranial nerves and uses select cases to illustrate the utility and power of these sequences, with a focus on constructive interference in steady-state.

Original languageEnglish (US)
Pages (from-to)101-119
Number of pages19
JournalMagnetic Resonance Imaging Clinics of North America
Volume26
Issue number1
DOIs
StatePublished - Feb 1 2018

Keywords

  • Cranial nerves
  • Extraforaminal cranial nerves
  • High-resolution MR imaging
  • Segmental classification

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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