Evidence map›Paper›PMID 42806150›Full record

ArticleSurgical and radiologic anatomy : SRA2026

Topography of the middle cochlear turn relative to the oval window and facial canal: implications for middle-turn cochleostomy.

Anjali Singal, Tulika Gupta, Anjali Aggarwal, Ashok Kumar Gupta, Daisy Sahni, Priti Chaudhary

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Article in Surgical and radiologic anatomy : SRA, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Anjali SingalDepartment of Anatomy, All India Institute of Medical Sciences, Bathinda, Punjab, 151001, India. anjali_singal@rediffmail.com.ORCID http://orcid.org/0000-0002-1798-4611
Tulika GuptaDepartment of Anatomy, PGIMER, Chandigarh, India.
Anjali AggarwalDepartment of Anatomy, PGIMER, Chandigarh, India.
Ashok Kumar GuptaFortis Hospital, Mohali, India.
Daisy SahniDepartment of Anatomy, Himalaya Institute of Medical Sciences, Patna, India.
Priti ChaudharyDepartment of Anatomy, All India Institute of Medical Sciences, Bathinda, Punjab, 151001, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeLabyrinthitis ossificans poses a significant challenge to cochlear implant electrode insertion. Middle-turn cochleostomy with anterograde/retrograde manner or double-array electrode insertion is a viable option, in such cases. The purpose of this investigation was to evaluate the topography of the middle cochlear turn relative to the fenestra vestibuli (ovalis) or oval window (OW) and facial canal (FC) as pertaining to middle turn cochleostomy.

methodsForty-two formalin fixed cadaveric temporal bones were dissected. The distance between OW and cochlea at 360

resultsThe mean values for distance between OW and cochlea at 360

conclusionThe wide variation in the angle between the middle turn of the cochlea and the tympanic segment of FC underscores the need for individualized angle determination preoperatively. As per best literature search, there is paucity of data regarding these landmarks.

Indexed as

Anatomic VariationCochleaCochlear ImplantationLabyrinthitisOval Window, EarTemporal BoneCadaverHumansCochlear implantationCochleostomyFacial canalFenestra vestibuli (ovalis)Middle turnOssificationOval window

Identifiers

PMID42806150

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