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Cranial Nerve Anatomy Underlying Perineural Tumor
H. Ric Harnsberger, MD
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Terminology

  • Abbreviations

    • Trigeminal nerve: CN5, CNV
      • Ophthalmic division, trigeminal nerve: CNV1
      • Maxillary division, trigeminal nerve: CNV2
      • Mandibular division, trigeminal nerve: CNV3
      • Auriculotemporal nerve: ATN
    • Facial nerve: CN7, CNVII
      • Greater superficial petrosal nerve: GSPN
  • Synonyms

    • CN5: 5th cranial nerve
    • CN7: 7th cranial nerve
  • Definitions

    • CN5: Sensory cranial nerve of head & face; motor nerve for muscles of mastication
    • CN7: Motor nerve to muscles of facial expression

Imaging Anatomy

  • Trigeminal Nerve Overview

    • CN5 Intraaxial Segment

      • CN5 Cisternal (Preganglionic) Segment

        • Intradural Trigeminal Nerve

          • Divisions (Postganglionic) of CN5

            • Facial Nerve Overview

              • CN7 Intraaxial Segment

                • CN7 Cisternal Segment

                  • CN7 Temporal Bone Segment

                    • CN7 Extracranial Segment

                      • CN7 Branches

                        Anatomy Imaging Issues

                        • Imaging Recommendations

                          • Imaging Pitfalls

                            • Clinical Issues: Symptoms & Perineural Tumor

                              • CN5 & CN7 and Perineural Tumor (PNT)

                                Related Anatomy
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                                Related Differential Diagnoses
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                                References
                                Tables

                                Tables

                                Terminology

                                • Abbreviations

                                  • Trigeminal nerve: CN5, CNV
                                    • Ophthalmic division, trigeminal nerve: CNV1
                                    • Maxillary division, trigeminal nerve: CNV2
                                    • Mandibular division, trigeminal nerve: CNV3
                                    • Auriculotemporal nerve: ATN
                                  • Facial nerve: CN7, CNVII
                                    • Greater superficial petrosal nerve: GSPN
                                • Synonyms

                                  • CN5: 5th cranial nerve
                                  • CN7: 7th cranial nerve
                                • Definitions

                                  • CN5: Sensory cranial nerve of head & face; motor nerve for muscles of mastication
                                  • CN7: Motor nerve to muscles of facial expression

                                Imaging Anatomy

                                • Trigeminal Nerve Overview

                                  • CN5 Intraaxial Segment

                                    • CN5 Cisternal (Preganglionic) Segment

                                      • Intradural Trigeminal Nerve

                                        • Divisions (Postganglionic) of CN5

                                          • Facial Nerve Overview

                                            • CN7 Intraaxial Segment

                                              • CN7 Cisternal Segment

                                                • CN7 Temporal Bone Segment

                                                  • CN7 Extracranial Segment

                                                    • CN7 Branches

                                                      Anatomy Imaging Issues

                                                      • Imaging Recommendations

                                                        • Imaging Pitfalls

                                                          • Clinical Issues: Symptoms & Perineural Tumor

                                                            • CN5 & CN7 and Perineural Tumor (PNT)