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The Epitympanum Revisited: Endoscopic Anatomy

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Abstract

In contrast to other means of studying the epitymapnum, the endoscope allows unparallel access without disruption of anatomy. The aim of this study is to delineate the anatomy of the epitympanum through transcanal endoscopy. Systematic dissection of anatomic specimens. We performed systematic endoscopic dissection of 20 ears in 10 fresh frozen anatomical specimens. A detailed flow sheet was filled up documenting the status of the lateral attic folds, the tensor fold, the cog and the tensor folds, the supratubal recess, and the patency of the anterior and posterior isthmus. None of the ears showed indication of previous chronic otitis media. The lateral incudomallear fold was intact in all but one ear. The lateral mallear fold was intact in all specimens. The tensor fold was complete in 16 ears and partial in four. Two of these ears belonged to the same specimen. The epitympanic diaphragm was complete in 15 out of 20 ears in 10 anatomic specimens. The endoscope allows for assessment of the attic anatomy and integrity of the diaphragm without undue disruption of anatomy. The epitympanic diaphragm is present in the majority of healthy ears and can in theory serve as the anatomic basis for the isolated attic retraction.

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Authors and Affiliations

  1. Section of Otolaryngology, American Hospital Dubai, Dubai, United Arab Emirates

    Muaaz Tarabichi & Mustafa Kapadia

  2. Department of Otolaryngology, University Hospital of Modena, Modena, Italy

    Daniele Marchioni

Authors
  1. Muaaz Tarabichi
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  2. Daniele Marchioni
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  3. Mustafa Kapadia
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Correspondence to Mustafa Kapadia.

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All of the authors have read and approved the manuscript. The authors have no funding, financial relationships, or conflicts of interest to disclose.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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Tarabichi, M., Marchioni, D. & Kapadia, M. The Epitympanum Revisited: Endoscopic Anatomy. Indian J Otolaryngol Head Neck Surg 68, 490–495 (2016). https://doi.org/10.1007/s12070-016-1000-6

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  • DOI: https://doi.org/10.1007/s12070-016-1000-6

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