Computed tomography versus magnetic resonance imaging in paediatric cochlear implant assessment: a pilot study and our experience at Great Ormond Street Hospital

To date, there is a lack of consensus regarding the use of both computed tomography and magnetic resonance imaging in the pre-operative assessment of cochlear implant candidates. Twenty-five patients underwent high-resolution computed tomography and magnetic resonance imaging. 'Control scores&#...

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Bibliographic Details
Published in:Journal of laryngology and otology 2018-06, Vol.132 (6), p.529-533
Main Authors: Kanona, H, Stephenson, K, D'Arco, F, Rajput, K, Cochrane, L, Jephson, C
Format: Article
Language:English
Subjects:
Adolescent
Anesthesia
Bone surgery
Brain - diagnostic imaging
Candidates
Child
Child, Preschool
Cochlea
Cochlear Implantation
Cochlear Implants
Computed tomography
Female
Hearing loss
Hearing Loss, Sensorineural - congenital
Hearing Loss, Sensorineural - surgery
Hearing Loss, Sudden - surgery
Humans
Infant
Magnetic Resonance Imaging
Main Articles
Male
Medical imaging
Neuroimaging
NMR
Nuclear magnetic resonance
Otolaryngology
Patients
Pediatrics
Pilot Projects
Preoperative Care
Retrospective Studies
Severity of Illness Index
Tariffs
Temporal bone
Temporal Bone - diagnostic imaging
Tomography
Tomography, X-Ray Computed
Transplants & implants
Young Adult
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Description
Summary:To date, there is a lack of consensus regarding the use of both computed tomography and magnetic resonance imaging in the pre-operative assessment of cochlear implant candidates. Twenty-five patients underwent high-resolution computed tomography and magnetic resonance imaging. 'Control scores' describing the expected visualisation of specific features by computed tomography and magnetic resonance imaging were established. An independent radiological review of all computed tomography and magnetic resonance imaging scan features was then compared to the control scores and the findings recorded. Agreement with control scores occurred in 83 per cent (20 out of 24) of computed tomography scans and 91 per cent (21 out of 23) of magnetic resonance imaging scans. Radiological abnormalities were demonstrated in 16 per cent of brain scans and 18 per cent of temporal bone investigations. Assessment in the paediatric setting constitutes a special situation given the likelihood of congenital temporal bone abnormalities and associated co-morbidities that may be relevant to surgery and prognosis following cochlear implantation. Both computed tomography and magnetic resonance imaging contribute valuable information and remain necessary in paediatric cochlear implant pre-operative assessment.
ISSN:0022-2151
1748-5460
DOI:10.1017/S0022215118000440