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Cortical Deafness: A Case Report and Review of the Literature.
MedLine Citation:
PMID:  23921932     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: To review the literature regarding cortical hearing loss and document a case of cortical hearing loss including its presentation, diagnosis, and evolution over 32 months of follow-up.
PATIENT: A 56-year-old woman with profound bilateral sensorineural hearing loss secondary to sequential hemorrhagic, temporal lobe infarctions separated in time by 8 months.
INTERVENTION: Diagnostic.
RESULTS: Sequential infarctions affecting the patient's auditory radiations and primary auditory cortices bilaterally combined to cause cortical hearing loss. At presentation, audiogram revealed a bilateral profound sensorineural hearing loss with no reliable responses to pure-tone or speech audiometry. She has subsequently recovered the ability to distinguish environmental sounds. At her 32-month follow-up, she had a pure-tone average (PTA) of 62 dB on the right and 70 dB on the left but continued to display a poor word recognition score (0%). A literature review was performed from the year 1891 until the present.
CONCLUSION: Cortical deafness is an exceedingly rare entity. Presentation and recovery of hearing are dependent on the extent of the initial lesions. The majority of patients can expect improvements in pure-tone auditory thresholds over time; however patients should be counseled that recovery of the ability to understand speech is unlikely.
Authors:
Robert M Brody; Brian D Nicholas; Michael J Wolf; Paula B Marcinkevich; Gregory J Artz
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-8-5
Journal Detail:
Title:  Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology     Volume:  -     ISSN:  1537-4505     ISO Abbreviation:  Otol. Neurotol.     Publication Date:  2013 Aug 
Date Detail:
Created Date:  2013-8-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100961504     Medline TA:  Otol Neurotol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Departments of *Otolaryngology and †Radiology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, U.S.A.
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