A Message from a Narrowed Internal Auditory Canal in a Patient with a Hyperpneumatized Petrous Bone
Hyperpneumatization of the temporal bone (HPTB) is a rare finding, and its clinical impact is poorly described in literature. We report the case of a 34-year-old woman with no previous otologic condition, complaining of paroxysmal vertigo and right pulsatile tinnitus shortly after a first scuba divi...
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| Veröffentlicht in: | Journal of International Advanced Otology 2020-12, Vol.16 (3), p.485-488 |
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| creator | Reynard, Pierre Ionescu, Eugen Ltaief-Boudrigua, Aïcha Thai-Van, Hung |
| description | Hyperpneumatization of the temporal bone (HPTB) is a rare finding, and its clinical impact is poorly described in literature. We report the case of a 34-year-old woman with no previous otologic condition, complaining of paroxysmal vertigo and right pulsatile tinnitus shortly after a first scuba diving session. Clinical neurotologic assessment found a right vestibular impairment. Cranial tomodensitometry showed a bilateral hyperpneumatization of the petrosal air cell system. Brain magnetic resonance imaging to rule out any retrocochlear pathology was normal, although the cochleo-vestibular nerve (CVN) appeared to be over lengthened in a narrowed internal auditory canal (IAC), especially on the right-hand side. Pain was alleviated by administration of a low-dose anti-epileptic drug. The clinical, neurological, and radiological findings evoked a right vestibulopathy generated by a limited compression of the CVN; HPTB appeared to contribute to the narrowing of the IAC, especially on the right-hand side. |
| doi_str_mv | 10.5152/iao.2020.8554 |
| format | Article |
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We report the case of a 34-year-old woman with no previous otologic condition, complaining of paroxysmal vertigo and right pulsatile tinnitus shortly after a first scuba diving session. Clinical neurotologic assessment found a right vestibular impairment. Cranial tomodensitometry showed a bilateral hyperpneumatization of the petrosal air cell system. Brain magnetic resonance imaging to rule out any retrocochlear pathology was normal, although the cochleo-vestibular nerve (CVN) appeared to be over lengthened in a narrowed internal auditory canal (IAC), especially on the right-hand side. Pain was alleviated by administration of a low-dose anti-epileptic drug. The clinical, neurological, and radiological findings evoked a right vestibulopathy generated by a limited compression of the CVN; HPTB appeared to contribute to the narrowing of the IAC, especially on the right-hand side.</description><identifier>ISSN: 1308-7649</identifier><identifier>EISSN: 2148-3817</identifier><identifier>DOI: 10.5152/iao.2020.8554</identifier><identifier>PMID: 33136035</identifier><language>eng</language><publisher>Turkey: AVES</publisher><subject>Case Report ; Drug dosages ; Hyperventilation ; Magnetic resonance imaging ; Oxcarbazepine ; Scuba diving ; Tinnitus ; Vertigo</subject><ispartof>Journal of International Advanced Otology, 2020-12, Vol.16 (3), p.485-488</ispartof><rights>COPYRIGHT 2020 AVES</rights><rights>Copyright Mediterranean Society for Otology and Audiology Dec 2020</rights><rights>Copyright 2020 The European Academy of Otology and Neurotology 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c643t-65d81fa535154093f50d6d11eba5cc0badd1ad789b4a6b699bbd6fd7f5c29b313</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7901468/pdf/$$EPDF$$P50$$Gpubmedcentral$$H</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7901468/$$EHTML$$P50$$Gpubmedcentral$$H</linktohtml><link.rule.ids>230,314,727,780,784,885,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33136035$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Reynard, Pierre</creatorcontrib><creatorcontrib>Ionescu, Eugen</creatorcontrib><creatorcontrib>Ltaief-Boudrigua, Aïcha</creatorcontrib><creatorcontrib>Thai-Van, Hung</creatorcontrib><creatorcontrib>Department of Audiology and Otoneurological Evaluation – Lyon University Hospital, Lyon, France</creatorcontrib><creatorcontrib>Paris Hearing Institute, Institut Pasteur, Paris, France</creatorcontrib><creatorcontrib>Department of Radiology, Lyon University Hospital, Lyon, France</creatorcontrib><creatorcontrib>Claude Bernard Lyon 1 University, Lyon, France</creatorcontrib><title>A Message from a Narrowed Internal Auditory Canal in a Patient with a Hyperpneumatized Petrous Bone</title><title>Journal of International Advanced Otology</title><addtitle>J Int Adv Otol</addtitle><description>Hyperpneumatization of the temporal bone (HPTB) is a rare finding, and its clinical impact is poorly described in literature. 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We report the case of a 34-year-old woman with no previous otologic condition, complaining of paroxysmal vertigo and right pulsatile tinnitus shortly after a first scuba diving session. Clinical neurotologic assessment found a right vestibular impairment. Cranial tomodensitometry showed a bilateral hyperpneumatization of the petrosal air cell system. Brain magnetic resonance imaging to rule out any retrocochlear pathology was normal, although the cochleo-vestibular nerve (CVN) appeared to be over lengthened in a narrowed internal auditory canal (IAC), especially on the right-hand side. Pain was alleviated by administration of a low-dose anti-epileptic drug. 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| source | EZB-FREE-00999 freely available EZB journals; PubMed Central |
| subjects | Case Report Drug dosages Hyperventilation Magnetic resonance imaging Oxcarbazepine Scuba diving Tinnitus Vertigo |
| title | A Message from a Narrowed Internal Auditory Canal in a Patient with a Hyperpneumatized Petrous Bone |
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