link
Bookmarks
Split Atlas
Kevin R. Moore, MD
To access 4,300 diagnoses written by the world's leading experts in radiology, please log in or subscribe.Log inSubscribe
0
4
0
0

KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Synonyms

                • Split C1; Congenital clefts of C1
              • Definitions

                • Anterior, posterior C1 arch defects → 2 C1 hemirings

              IMAGING

              • General Features

                • CT Findings

                  • MR Findings

                    DIFFERENTIAL DIAGNOSIS

                      PATHOLOGY

                      • General Features

                        • Gross Pathologic & Surgical Features

                          CLINICAL ISSUES

                          • Presentation

                            • Demographics

                              • Natural History & Prognosis

                                • Treatment

                                  DIAGNOSTIC CHECKLIST

                                  • Consider

                                    Selected References

                                    1. Khanna R et al: Complete absence of the posterior arch of C1: Case report. J Craniovertebr Junction Spine. 5(4):176-8, 2014
                                    2. Guenkel S et al: Incidence and variants of posterior arch defects of the atlas vertebra. Radiol Res Pract. 2013:957280, 2013
                                    3. Choi JW et al: Congenital cleft of anterior arch and partial aplasia of the posterior arch of the c1. J Korean Neurosurg Soc. 49(3):178-81, 2011
                                    4. Pang D et al: Embryology and bony malformations of the craniovertebral junction. Childs Nerv Syst. 27(4):523-64, 2011
                                    5. Tachibana A et al: Torticollis of a specific C1 dislocation with split atlas. Spine (Phila Pa 1976). 35(14):E672-5, 2010
                                    6. Menezes AH: Craniocervical developmental anatomy and its implications. Childs Nerv Syst. 24(10):1109-22, 2008
                                    7. Chambers AA et al: Midline anterior atlas clefts: CT findings. J Comput Assist Tomogr. 16(6):868-70, 1992
                                    Related Anatomy
                                    Loading...
                                    Related Differential Diagnoses
                                    Loading...
                                    References
                                    Tables

                                    Tables

                                    KEY FACTS

                                    • Terminology

                                      • Imaging

                                        • Top Differential Diagnoses

                                          • Pathology

                                            • Clinical Issues

                                              • Diagnostic Checklist

                                                TERMINOLOGY

                                                • Synonyms

                                                  • Split C1; Congenital clefts of C1
                                                • Definitions

                                                  • Anterior, posterior C1 arch defects → 2 C1 hemirings

                                                IMAGING

                                                • General Features

                                                  • CT Findings

                                                    • MR Findings

                                                      DIFFERENTIAL DIAGNOSIS

                                                        PATHOLOGY

                                                        • General Features

                                                          • Gross Pathologic & Surgical Features

                                                            CLINICAL ISSUES

                                                            • Presentation

                                                              • Demographics

                                                                • Natural History & Prognosis

                                                                  • Treatment

                                                                    DIAGNOSTIC CHECKLIST

                                                                    • Consider

                                                                      Selected References

                                                                      1. Khanna R et al: Complete absence of the posterior arch of C1: Case report. J Craniovertebr Junction Spine. 5(4):176-8, 2014
                                                                      2. Guenkel S et al: Incidence and variants of posterior arch defects of the atlas vertebra. Radiol Res Pract. 2013:957280, 2013
                                                                      3. Choi JW et al: Congenital cleft of anterior arch and partial aplasia of the posterior arch of the c1. J Korean Neurosurg Soc. 49(3):178-81, 2011
                                                                      4. Pang D et al: Embryology and bony malformations of the craniovertebral junction. Childs Nerv Syst. 27(4):523-64, 2011
                                                                      5. Tachibana A et al: Torticollis of a specific C1 dislocation with split atlas. Spine (Phila Pa 1976). 35(14):E672-5, 2010
                                                                      6. Menezes AH: Craniocervical developmental anatomy and its implications. Childs Nerv Syst. 24(10):1109-22, 2008
                                                                      7. Chambers AA et al: Midline anterior atlas clefts: CT findings. J Comput Assist Tomogr. 16(6):868-70, 1992