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Fossa Navicularis Magna
H. Ric Harnsberger, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Abbreviations

                • Fossa navicularis magna (FNM)
              • Synonyms

                • Pharyngeal bursa or pharyngeal fossa
              • Definitions

                • FNM: Congenital defect resulting from minor pharyngeal formation miscue creating boat-shaped defect in ventral surface of midclivus

              IMAGING

              • General Features

                • Radiographic Findings

                  • CT Findings

                    • MR Findings

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          CLINICAL ISSUES

                          • Presentation

                            • Demographics

                              • Natural History & Prognosis

                                • Treatment

                                  DIAGNOSTIC CHECKLIST

                                  • Consider

                                    Selected References

                                    1. Ginat DT et al: Multi-detector-row computed tomography imaging of variant skull base foramina. J Comput Assist Tomogr. 37(4):481-5, 2013
                                    2. Segal N et al: Intracranial infection caused by spreading through the fossa naviclaris magna - a case report and review of the literature. Int J Pediatr Otorhinolaryngol. 77(12):1919-21, 2013
                                    3. Prabhu SP et al: Clival osteomyelitis resulting from spread of infection through the fossa navicularis magna in a child. Pediatr Radiol. 39(9):995-8, 2009
                                    4. Ben Salem D et al: Fossa navicularis: anatomic variation at the skull base. Clin Anat. 19(4):365, 2006
                                    5. Cankal F et al: Fossa navicularis: anatomic variation at the skull base. Clin Anat. 17(2):118-22, 2004
                                    6. Jacquemin C et al: Canalis basilaris medianus: MRI. Neuroradiology. 42(2):121-3, 2000
                                    7. Beltramello A et al: Fossa navicularis magna. AJNR Am J Neuroradiol. 19(9):1796-8, 1998
                                    Related Anatomy
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                                    Related Differential Diagnoses
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                                    References
                                    Tables

                                    Tables

                                    KEY FACTS

                                    • Terminology

                                      • Imaging

                                        • Top Differential Diagnoses

                                          • Pathology

                                            • Clinical Issues

                                              • Diagnostic Checklist

                                                TERMINOLOGY

                                                • Abbreviations

                                                  • Fossa navicularis magna (FNM)
                                                • Synonyms

                                                  • Pharyngeal bursa or pharyngeal fossa
                                                • Definitions

                                                  • FNM: Congenital defect resulting from minor pharyngeal formation miscue creating boat-shaped defect in ventral surface of midclivus

                                                IMAGING

                                                • General Features

                                                  • Radiographic Findings

                                                    • CT Findings

                                                      • MR Findings

                                                        DIFFERENTIAL DIAGNOSIS

                                                          PATHOLOGY

                                                          • General Features

                                                            CLINICAL ISSUES

                                                            • Presentation

                                                              • Demographics

                                                                • Natural History & Prognosis

                                                                  • Treatment

                                                                    DIAGNOSTIC CHECKLIST

                                                                    • Consider

                                                                      Selected References

                                                                      1. Ginat DT et al: Multi-detector-row computed tomography imaging of variant skull base foramina. J Comput Assist Tomogr. 37(4):481-5, 2013
                                                                      2. Segal N et al: Intracranial infection caused by spreading through the fossa naviclaris magna - a case report and review of the literature. Int J Pediatr Otorhinolaryngol. 77(12):1919-21, 2013
                                                                      3. Prabhu SP et al: Clival osteomyelitis resulting from spread of infection through the fossa navicularis magna in a child. Pediatr Radiol. 39(9):995-8, 2009
                                                                      4. Ben Salem D et al: Fossa navicularis: anatomic variation at the skull base. Clin Anat. 19(4):365, 2006
                                                                      5. Cankal F et al: Fossa navicularis: anatomic variation at the skull base. Clin Anat. 17(2):118-22, 2004
                                                                      6. Jacquemin C et al: Canalis basilaris medianus: MRI. Neuroradiology. 42(2):121-3, 2000
                                                                      7. Beltramello A et al: Fossa navicularis magna. AJNR Am J Neuroradiol. 19(9):1796-8, 1998