Cochleo-facial corridor to the vestibule and fundus of the internal auditory canal through oval window: a minimal invasive and cochlea sparing approach
European Archives of Oto-Rhino-Laryngology, ISSN: 1434-4726, Vol: 279, Issue: 2, Page: 627-637
2022
- 2Citations
- 7Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Metrics Details
- Citations2
- Citation Indexes2
- CrossRef1
- Captures7
- Readers7
Article Description
Purpose: This cadaveric work aimed to test the effectiveness of a modified surgical corridor (ExpTSA: expanded transcanal supracochlear approach) developed for anatomic cochlear preservation in selected vestibular schwannoma patients necessitating to perform cochlear implantation for appropriate cases to achieve the best outcome. Methods: The ears of 10 cadavers (at mean age 75.70 ± 13.75 years, range 45–92 years) were dissected from the external auditory canal (EAC) to the internal auditory canal by ExpTSA under the guidance of a microscope and endoscope. All stages of the surgical process were recorded step by step and evaluated morphometrically. Results: The vestibular base was successfully reached in all ears without damaging the cochlear morphology and facial nerve. The vestibular base was 23.33 ± 2.02 mm away from the entrance (external orifice) and 10.26 ± 1.33 mm from the exit (internal orifice) of EAC. The oval window and vestibular base were measured to be 2.94 ± 1.05 mm and 5.87 ± 1.24 mm deep from the facial nerve, respectively. The normal areas of the oval window, the exit and entrance of EAC were found as 2.90 ± 0.81 mm, 42.52 ± 13.66 mm, and 110.73 ± 25.32 mm, respectively. After ExpTSA procedure, the areas of the oval window (11.04 ± 2.83 mm), the exit (122.45 ± 20.41 mm) and entrance (167.49 ± 30.94 mm) of EAC were expanded approximately 280%, 188%, and 50%, respectively. Conclusion: The ExpTSA may be performed for accessing to the vestibule and fundus of IAC for tumor removal of intravestibular schwannoma patients (with or without fundus involvement) with unserviceable hearing, preserving the cochlear morphology.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85100888179&origin=inward; http://dx.doi.org/10.1007/s00405-021-06680-1; http://www.ncbi.nlm.nih.gov/pubmed/33595698; https://link.springer.com/10.1007/s00405-021-06680-1; https://dx.doi.org/10.1007/s00405-021-06680-1; https://link.springer.com/article/10.1007/s00405-021-06680-1
Springer Science and Business Media LLC
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