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Perilymph Fistula
Bernadette L. Koch, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Pathology

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Abbreviations

              • Perilymph fistula (PLF)
            • Definitions

              • Abnormal communication between inner ear and middle ear (or mastoid) cavity
                • Results in vestibular ± cochlear symptoms

            IMAGING

            • General Features

              • CT Findings

                • Imaging Recommendations

                  DIFFERENTIAL DIAGNOSIS

                    PATHOLOGY

                    • General Features

                      CLINICAL ISSUES

                      • Presentation

                        • Natural History & Prognosis

                          • Treatment

                            DIAGNOSTIC CHECKLIST

                            • Image Interpretation Pearls

                              Selected References

                              1. Al Felasi M et al: Perilymphatic fistula of the round window. Eur Ann Otorhinolaryngol Head Neck Dis. 128(3):139-41, 2011
                              2. Prisman E et al: Traumatic perilymphatic fistula with pneumolabyrinth: diagnosis and management. Laryngoscope. 121(4):856-9, 2011
                              3. Ehmer DR Jr et al: Radiographic diagnosis of trans-stapedial cerebrospinal fluid fistula. Otolaryngol Head Neck Surg. 142(5):694-8, 2010
                              4. Nishiike S et al: Stapediovestibular dislocation with pneumolabyrinth. J Laryngol Otol. 122(4):419-21, 2008
                              5. Ayache D et al: Imaging of postoperative sensorineural complications of stapes surgery: a pictorial essay. Adv Otorhinolaryngol. 65:308-13, 2007
                              6. Tom LW et al: Recurrent meningitis and a congenital perilymph fistula. Ear Nose Throat J. 71(7):287-90, 1992
                              7. Mafee MF et al: Pneumolabyrinth: a new radiologic sign for fracture of the stapes footplate. Am J Otol. 5(5):374-5, 1984
                              Related Anatomy
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                              Related Differential Diagnoses
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                              References
                              Tables

                              Tables

                              KEY FACTS

                              • Terminology

                                • Imaging

                                  • Pathology

                                    • Clinical Issues

                                      • Diagnostic Checklist

                                        TERMINOLOGY

                                        • Abbreviations

                                          • Perilymph fistula (PLF)
                                        • Definitions

                                          • Abnormal communication between inner ear and middle ear (or mastoid) cavity
                                            • Results in vestibular ± cochlear symptoms

                                        IMAGING

                                        • General Features

                                          • CT Findings

                                            • Imaging Recommendations

                                              DIFFERENTIAL DIAGNOSIS

                                                PATHOLOGY

                                                • General Features

                                                  CLINICAL ISSUES

                                                  • Presentation

                                                    • Natural History & Prognosis

                                                      • Treatment

                                                        DIAGNOSTIC CHECKLIST

                                                        • Image Interpretation Pearls

                                                          Selected References

                                                          1. Al Felasi M et al: Perilymphatic fistula of the round window. Eur Ann Otorhinolaryngol Head Neck Dis. 128(3):139-41, 2011
                                                          2. Prisman E et al: Traumatic perilymphatic fistula with pneumolabyrinth: diagnosis and management. Laryngoscope. 121(4):856-9, 2011
                                                          3. Ehmer DR Jr et al: Radiographic diagnosis of trans-stapedial cerebrospinal fluid fistula. Otolaryngol Head Neck Surg. 142(5):694-8, 2010
                                                          4. Nishiike S et al: Stapediovestibular dislocation with pneumolabyrinth. J Laryngol Otol. 122(4):419-21, 2008
                                                          5. Ayache D et al: Imaging of postoperative sensorineural complications of stapes surgery: a pictorial essay. Adv Otorhinolaryngol. 65:308-13, 2007
                                                          6. Tom LW et al: Recurrent meningitis and a congenital perilymph fistula. Ear Nose Throat J. 71(7):287-90, 1992
                                                          7. Mafee MF et al: Pneumolabyrinth: a new radiologic sign for fracture of the stapes footplate. Am J Otol. 5(5):374-5, 1984