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Cystic Cochleovestibular Malformation
Caroline D. Robson, MBChB
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Abbreviations

              • Cystic cochleovestibular malformation (CCVM)
            • Synonyms

              • Cystic cochleovestibular anomaly
              • Cochlear incomplete partition type I (IP-I)
            • Definitions

              • Arrest of inner ear development: Cochlea lacks interscalar septum and modiolus (IP-I) with dilated vestibule and horizontal semicircular canal (SCC)

            IMAGING

            • General Features

              • CT Findings

                • MR Findings

                  • Imaging Recommendations

                    DIFFERENTIAL DIAGNOSIS

                      PATHOLOGY

                      • General Features

                        • Gross Pathologic & Surgical Features

                          • Microscopic Features

                            CLINICAL ISSUES

                            • Presentation

                              • Demographics

                                • Treatment

                                  DIAGNOSTIC CHECKLIST

                                  • Consider

                                    • Image Interpretation Pearls

                                      • Reporting Tips

                                        Selected References

                                        1. Sennaroglu L et al: Surgical results of cochlear implantation in malformed cochlea. Otol Neurotol. 27(5):615-23, 2006
                                        2. Sennaroglu L et al: Unpartitioned versus incompletely partitioned cochleae: radiologic differentiation. Otol Neurotol. 25(4):520-9; discussion 529, 2004
                                        3. Sennaroglu L et al: A new classification for cochleovestibular malformations. Laryngoscope. 112(12):2230-41, 2002
                                        4. Jackler RK et al: Congenital malformations of the inner ear: a classification based on embryogenesis. Laryngoscope. 97(3 Pt 2 Suppl 40):2-14, 1987
                                        Related Anatomy
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                                        Related Differential Diagnoses
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                                        References
                                        Tables

                                        Tables

                                        KEY FACTS

                                        • Terminology

                                          • Imaging

                                            • Top Differential Diagnoses

                                              • Clinical Issues

                                                • Diagnostic Checklist

                                                  TERMINOLOGY

                                                  • Abbreviations

                                                    • Cystic cochleovestibular malformation (CCVM)
                                                  • Synonyms

                                                    • Cystic cochleovestibular anomaly
                                                    • Cochlear incomplete partition type I (IP-I)
                                                  • Definitions

                                                    • Arrest of inner ear development: Cochlea lacks interscalar septum and modiolus (IP-I) with dilated vestibule and horizontal semicircular canal (SCC)

                                                  IMAGING

                                                  • General Features

                                                    • CT Findings

                                                      • MR Findings

                                                        • Imaging Recommendations

                                                          DIFFERENTIAL DIAGNOSIS

                                                            PATHOLOGY

                                                            • General Features

                                                              • Gross Pathologic & Surgical Features

                                                                • Microscopic Features

                                                                  CLINICAL ISSUES

                                                                  • Presentation

                                                                    • Demographics

                                                                      • Treatment

                                                                        DIAGNOSTIC CHECKLIST

                                                                        • Consider

                                                                          • Image Interpretation Pearls

                                                                            • Reporting Tips

                                                                              Selected References

                                                                              1. Sennaroglu L et al: Surgical results of cochlear implantation in malformed cochlea. Otol Neurotol. 27(5):615-23, 2006
                                                                              2. Sennaroglu L et al: Unpartitioned versus incompletely partitioned cochleae: radiologic differentiation. Otol Neurotol. 25(4):520-9; discussion 529, 2004
                                                                              3. Sennaroglu L et al: A new classification for cochleovestibular malformations. Laryngoscope. 112(12):2230-41, 2002
                                                                              4. Jackler RK et al: Congenital malformations of the inner ear: a classification based on embryogenesis. Laryngoscope. 97(3 Pt 2 Suppl 40):2-14, 1987