A 3D benign paroxysmal positional vertigo model for study of otolith disease

Objective: To develop a three-dimensional study tool of the membranous labyrinth in order to study the pathophysiology, diagnostic workup and treatment of benign paroxysmal positional vertigo (BPPV). BPPV is the most common cause of peripheral vertigo. Its diagnosis and treatment depend on an unders...

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Autores principales:	Michael Teixido, Owen Woods, Brian Kung, Mohammad Seyyedi
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2016
Materias:	Otorhinolaryngology RF1-547 Surgery RD1-811
Acceso en línea:	https://doaj.org/article/5c949d813b4849a8988cf0c07cd7dc6f
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spelling	oai:doaj.org-article:5c949d813b4849a8988cf0c07cd7dc6f2021-12-02T17:30:06ZA 3D benign paroxysmal positional vertigo model for study of otolith disease2095-881110.1016/j.wjorl.2016.02.002https://doaj.org/article/5c949d813b4849a8988cf0c07cd7dc6f2016-03-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2095881115300251https://doaj.org/toc/2095-8811Objective: To develop a three-dimensional study tool of the membranous labyrinth in order to study the pathophysiology, diagnostic workup and treatment of benign paroxysmal positional vertigo (BPPV). BPPV is the most common cause of peripheral vertigo. Its diagnosis and treatment depend on an understanding of the anatomy of the vestibular labyrinth and its position relative to the head. To date, many illustrations have been made to explain principals of diagnosis and treatment of BPPV, but few have been based on anatomical studies of the membranous labyrinth. Methods: A cadaveric human membranous labyrinth was axially sectioned at 20Â Î¼m resolution, stained and segmented to create a high-resolution digital model. The model was cloned to create an enantiomeric pair of labyrinths. These were associated a 3D model of a human skull, segmented from MRI data, and were oriented according to established anatomic norms. Canal markers representing otoliths were created to mark canalith position during movement of the model within the 3D environment. Results: The model allows visualization of true membranous labyrinth anatomy in both ears simultaneously. The dependent portion of each semicircular duct and of the utricle can easily be visualized in any head position. Moveable markers can mark the expected progress of otolith debris with changes in head position and images can be captured to document simulations. The model can be used to simulate pathology as well as diagnostic maneuvers and treatment procedures used for BPPV. The model has great potential as a teaching tool. Conclusion: A simple model based on human anatomy has been created to allow careful study of BPPV pathophysiology and treatment. Going forward, this tool could offer insights that may lead to more accurate diagnosis and treatment of BPPV. Keywords: Benign paroxysmal positional vertigo, Modeling, Anatomy, Histology, Model, 3DMichael TeixidoOwen WoodsBrian KungMohammad SeyyediKeAi Communications Co., Ltd.articleOtorhinolaryngologyRF1-547SurgeryRD1-811ENWorld Journal of Otorhinolaryngology-Head and Neck Surgery, Vol 2, Iss 1, Pp 1-6 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	Otorhinolaryngology RF1-547 Surgery RD1-811
spellingShingle	Otorhinolaryngology RF1-547 Surgery RD1-811 Michael Teixido Owen Woods Brian Kung Mohammad Seyyedi A 3D benign paroxysmal positional vertigo model for study of otolith disease
description	Objective: To develop a three-dimensional study tool of the membranous labyrinth in order to study the pathophysiology, diagnostic workup and treatment of benign paroxysmal positional vertigo (BPPV). BPPV is the most common cause of peripheral vertigo. Its diagnosis and treatment depend on an understanding of the anatomy of the vestibular labyrinth and its position relative to the head. To date, many illustrations have been made to explain principals of diagnosis and treatment of BPPV, but few have been based on anatomical studies of the membranous labyrinth. Methods: A cadaveric human membranous labyrinth was axially sectioned at 20Â Î¼m resolution, stained and segmented to create a high-resolution digital model. The model was cloned to create an enantiomeric pair of labyrinths. These were associated a 3D model of a human skull, segmented from MRI data, and were oriented according to established anatomic norms. Canal markers representing otoliths were created to mark canalith position during movement of the model within the 3D environment. Results: The model allows visualization of true membranous labyrinth anatomy in both ears simultaneously. The dependent portion of each semicircular duct and of the utricle can easily be visualized in any head position. Moveable markers can mark the expected progress of otolith debris with changes in head position and images can be captured to document simulations. The model can be used to simulate pathology as well as diagnostic maneuvers and treatment procedures used for BPPV. The model has great potential as a teaching tool. Conclusion: A simple model based on human anatomy has been created to allow careful study of BPPV pathophysiology and treatment. Going forward, this tool could offer insights that may lead to more accurate diagnosis and treatment of BPPV. Keywords: Benign paroxysmal positional vertigo, Modeling, Anatomy, Histology, Model, 3D
format	article
author	Michael Teixido Owen Woods Brian Kung Mohammad Seyyedi
author_facet	Michael Teixido Owen Woods Brian Kung Mohammad Seyyedi
author_sort	Michael Teixido
title	A 3D benign paroxysmal positional vertigo model for study of otolith disease
title_short	A 3D benign paroxysmal positional vertigo model for study of otolith disease
title_full	A 3D benign paroxysmal positional vertigo model for study of otolith disease
title_fullStr	A 3D benign paroxysmal positional vertigo model for study of otolith disease
title_full_unstemmed	A 3D benign paroxysmal positional vertigo model for study of otolith disease
title_sort	3d benign paroxysmal positional vertigo model for study of otolith disease
publisher	KeAi Communications Co., Ltd.
publishDate	2016
url	https://doaj.org/article/5c949d813b4849a8988cf0c07cd7dc6f
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A 3D benign paroxysmal positional vertigo model for study of otolith disease

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