open access

Vol 79, No 4 (2020)
Original article
Submitted: 2019-10-14
Accepted: 2019-12-03
Published online: 2019-12-20
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Association between superior semicircular canal dehiscence and other dehiscences in temporal bone

J. Whyte1, A. I. Cisneros1, A. Garcia-Barrios1, J. Fraile2, A. Whyte3, R. Crovetto4, M. Lahoz1
·
Pubmed: 31886879
·
Folia Morphol 2020;79(4):823-828.
Affiliations
  1. ANATOMY AND HISTOLOGY DEPARTMENT. SCHOOL OF MEDICINE. ZARAGOZA UNIVERSITY
  2. PATHOLOGY DEPARTMENT. MIGUEL SERVET HOSPITAL
  3. PATHOLOGY DEPARTMENT. SCHOOL OF VETERINARY. ZARAGOZA UNIVERSITY
  4. BILBAO CLINIC

open access

Vol 79, No 4 (2020)
ORIGINAL ARTICLES
Submitted: 2019-10-14
Accepted: 2019-12-03
Published online: 2019-12-20

Abstract

Background: The study of the association between superior semicircular canal and other dehiscences in the temporal bone.

Materials and methods: We have studied computed tomography of radiologically diagnosed people with superior or posterior semicircular canal dehiscences, in four health centres. In addition, we have studied one isolated human temporal bone, one skull and one cadaver head belonging to the collection of the Department of Human Anatomy and Histology of the University of Zaragoza that had dehiscence in the superior semicircular canal.

Results: The most frequent association that we observed was between superior semicircular canal dehiscence and tegmen tympani dehiscence (37.33%). Three cases (two clinical cases and one isolated temporal bone) showed multiple associated dehiscences (tegmen tympani, mastoid antrum, posterior semicircular canal, internal auditory canal, glenoid cavity, tympanum bone and geniculate ganglion) associated with superior semicircular canal dehiscence.

Conclusions: When the superior semicircular canal dehiscence is associated to other in the petrous bone (tegmen tympani, mastoid antrum, posterior semicircular canal, internal auditory canal) could be grouped into the same syndrome called “otic capsule syndrome”, since they have the same origin and common aetiology
(otic capsule).

Abstract

Background: The study of the association between superior semicircular canal and other dehiscences in the temporal bone.

Materials and methods: We have studied computed tomography of radiologically diagnosed people with superior or posterior semicircular canal dehiscences, in four health centres. In addition, we have studied one isolated human temporal bone, one skull and one cadaver head belonging to the collection of the Department of Human Anatomy and Histology of the University of Zaragoza that had dehiscence in the superior semicircular canal.

Results: The most frequent association that we observed was between superior semicircular canal dehiscence and tegmen tympani dehiscence (37.33%). Three cases (two clinical cases and one isolated temporal bone) showed multiple associated dehiscences (tegmen tympani, mastoid antrum, posterior semicircular canal, internal auditory canal, glenoid cavity, tympanum bone and geniculate ganglion) associated with superior semicircular canal dehiscence.

Conclusions: When the superior semicircular canal dehiscence is associated to other in the petrous bone (tegmen tympani, mastoid antrum, posterior semicircular canal, internal auditory canal) could be grouped into the same syndrome called “otic capsule syndrome”, since they have the same origin and common aetiology
(otic capsule).

Get Citation

Keywords

bony labyrinth, otic capsule, bony defects group, third window

About this article
Title

Association between superior semicircular canal dehiscence and other dehiscences in temporal bone

Journal

Folia Morphologica

Issue

Vol 79, No 4 (2020)

Article type

Original article

Pages

823-828

Published online

2019-12-20

Page views

1183

Article views/downloads

1494

DOI

10.5603/FM.a2019.0138

Pubmed

31886879

Bibliographic record

Folia Morphol 2020;79(4):823-828.

Keywords

bony labyrinth
otic capsule
bony defects group
third window

Authors

J. Whyte
A. I. Cisneros
A. Garcia-Barrios
J. Fraile
A. Whyte
R. Crovetto
M. Lahoz

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