Visualization of inner ear dysplasias in patients with sensorineural hearing loss . High-resolution MR imaging and volume-rendered reconstructions

Klingebiel, Randolf; Bockmühl, Ulrike; Werbs, M.; Freigang, B.; Vorwerk, W.; Thieme, Nadine; Lehmann, Rüdiger

doi:10.1034/j.1600-0455.2001.420608.x

Cited by 7 publications

(8 citation statements)

References 17 publications

(36 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It is clear that both magnetic resonance imaging (MRI) and computed tomography (CT) are able to sufficiently define the architecture of the otic capsule. While CT is superior for assessing intratemporal facial nerve location, inner ear ossification, and temporal bone pathology, recent studies have demonstrated that MRI provides superior definition of the soft tissues of the auditory system proximal to the inner ear including the cochlear nerve and brain (15,19,21,22,24). Moreover, MRI can better assess post-meningitic fibrosis of the labyrinth that has not yet undergone ossification (21).…”

Section: Introductionmentioning

confidence: 99%

Imaging Characteristics of Children With Auditory Neuropathy Spectrum Disorder

Roche¹,

Huang²,

Castillo³

et al. 2010

Otology &Amp; Neurotology

View full text Add to dashboard Cite

Objective To identify and define the imaging characteristics of children with auditory neuropathy spectrum disorder (ANSD). Design Retrospective medical records review and analysis of both temporal bone computed tomography (CT) and magnetic resonance images (MRI) in from children with the diagnosis of ANSD. Setting Tertiary referral center. Patients 118 children with the electrophysiological characteristics of ANSD with available imaging studies for review. Interventions Two neuroradiologists and a neurotologist reviewed each study and consensus descriptions were established. Main outcome measures The type and number of imaging findings were tabulated. Results Sixty-eight (64%) MRIs revealed at least one imaging abnormality while selective use of CT identified 23 (55%) with anomalies. The most prevalent MRI findings included cochlear nerve deficiency (n=51; 28% of 183 nerves), brain abnormalities (n=42; 40% of 106 brains) and prominent temporal horns (n=33, 16% of 212 temporal lobes). The most prevalent CT finding from selective use of CT was cochlear dysplasia (n=13; 31%). Conclusions MRI will identify many abnormalities in children with ANSD that are not readily discernable on CT. Specifically, both developmental and acquired abnormalities of the brain, posterior cranial fossa, and cochlear nerves are not uncommonly seen in this patient population. Inner ear anomalies are well delineated using either imaging modality. Since many of the central nervous system findings identified in this study using MRI can alter the treatment and prognosis for these children, we believe that MRI should be the initial imaging study of choice for children with ANSD.

show abstract

Section: Introductionmentioning

confidence: 99%

Imaging Characteristics of Children With Auditory Neuropathy Spectrum Disorder

Roche¹,

Huang²,

Castillo³

et al. 2010

Otology &Amp; Neurotology

View full text Add to dashboard Cite

show abstract

“…5,[7][8][9] Both plain film and CT, however, define mainly the bones that contain the actual working components of inner ear hearing. Previous studies, 9,10 however, have shown that high-resolution magnetic resonance imaging (MRI) used as a diagnostic tool in the evaluation of pediatric SNHL has yielded promise in better defining the exact soft tissue abnormalities of the hearing pathway rather than their bony housing. Specifically, MRI provides better ability to directly visualize the cochlear nerve and intracranial structures.…”

mentioning

confidence: 99%

Evaluation of Pediatric Sensorineural Hearing Loss With Magnetic Resonance Imaging

McClay

Booth²,

Parry

et al. 2008

Arch Otolaryngol Head Neck Surg

133

116

View full text Add to dashboard Cite

“…Radiologic studies and magnetic resonance imaging of the mastoid and middle ear showed several types of middle and inner ear pathology, among them: (1) hypoplasia, malformation and displacement of the ossicular chain, such as the junction of the hammer and anvil fixing the malleus in the tympanic membrane, and calcified oval window; (2) malformations—enlargement—and asymmetry of the semicircular canals/ducts and endolymphatic sac; and (3) cochlear hypoplasia or dysplasia. 6 7 14 49 50 53 56 57 58 …”

Section: Resultsmentioning

confidence: 99%

Anatomical Changes and Audiological Profile in Branchio-oto-renal Syndrome: A Literature Review

Lindau

Cardoso

Rossi

et al. 2013

Int. Arch. Otorhinolaryngol.

View full text Add to dashboard Cite

Introduction Branchio-oto-renal (BOR) syndrome is an autosomal-dominant genetic condition with high penetrance and variable expressivity, with an estimated prevalence of 1 in 40,000. Approximately 40% of the patients with the syndrome have mutations in the gene EYA1, located at chromosomal region 8q13.3, and 5% have mutations in the gene SIX5 in chromosome region 19q13. The phenotype of this syndrome is characterized by preauricular fistulas; structural malformations of the external, middle, and inner ears; branchial fistulas; renal disorders; cleft palate; and variable type and degree of hearing loss. Aim Hearing loss is part of BOR syndrome phenotype. The aim of this study was to present a literature review on the anatomical aspects and audiological profile of BOR syndrome. Data Synthesis Thirty-four studies were selected for analysis. Some aspects when specifying the phenotype of BOR syndrome are controversial, especially those issues related to the audiological profile in which there was variability on auditory standard, hearing loss progression, and type and degree of the hearing loss. Mixed loss was the most common type of hearing loss among the studies; however, there was no consensus among studies regarding the degree of the hearing loss.

show abstract

Visualization of inner ear dysplasias in patients with sensorineural hearing loss . High-resolution MR imaging and volume-rendered reconstructions

Abstract: The imaging protocol allows for rapid and comprehensive visualization of various IE dysplasias, based on a limited number of VR reconstructions.

Cited by 7 publications

References 17 publications

Imaging Characteristics of Children With Auditory Neuropathy Spectrum Disorder

Imaging Characteristics of Children With Auditory Neuropathy Spectrum Disorder

Evaluation of Pediatric Sensorineural Hearing Loss With Magnetic Resonance Imaging

Anatomical Changes and Audiological Profile in Branchio-oto-renal Syndrome: A Literature Review

Contact Info

Product

Resources

About