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Brain
Anatomy
Skull Base and Cranial Nerves
Trochlear Nerve (CNIV)
Trochlear Nerve (CNIV)
Philip R. Chapman, MD; Ryan P. Cabeen, PhD
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TERMINOLOGY

  • Abbreviations

    • Trochlear nerve (CNIV)

  • Synonyms

    • 4th cranial nerve

  • Definitions

    • CNIV: Motor nerve to superior oblique muscle

IMAGING ANATOMY

  • Overview

    • Trochlear Nuclei

      • Intramesencephalic Segment

        • Cisternal Segment

          • Tentorial Segment

            • Cavernous Segment

              • Extracranial Segment

                ANATOMY IMAGING ISSUES

                • Imaging Recommendations

                  • Imaging Sweet Spots

                    • Imaging Pitfalls

                      • Normal Measurements

                        CLINICAL IMPLICATIONS

                        • Clinical Importance

                          • Clinical Findings

                            Related Anatomy
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                            Related Differential Diagnoses
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                            References
                            Tables

                            Tables

                            TERMINOLOGY

                            • Abbreviations

                              • Trochlear nerve (CNIV)

                            • Synonyms

                              • 4th cranial nerve

                            • Definitions

                              • CNIV: Motor nerve to superior oblique muscle

                            IMAGING ANATOMY

                            • Overview

                              • Trochlear Nuclei

                                • Intramesencephalic Segment

                                  • Cisternal Segment

                                    • Tentorial Segment

                                      • Cavernous Segment

                                        • Extracranial Segment

                                          ANATOMY IMAGING ISSUES

                                          • Imaging Recommendations

                                            • Imaging Sweet Spots

                                              • Imaging Pitfalls

                                                • Normal Measurements

                                                  CLINICAL IMPLICATIONS

                                                  • Clinical Importance

                                                    • Clinical Findings