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Imaging of Pediatric Hearing Loss
Karuna V Shekdar1, Larissa T Bilaniuk1
1Department of Radiology, Perelman School of Medicine at University of Pennsylvania, The Children's Hospital of Philadelphia, 34 Civic Center Boulevard, Philadelphia, PA 19104, USA.
Neuroimaging Clinics of North America
|November 24, 2018
Summary
High-resolution computed tomography (HRCT) and magnetic resonance (MR) imaging are crucial for diagnosing pediatric hearing loss. These imaging techniques offer complementary insights, guiding treatment decisions, especially for cochlear implantation.
Area of Science:
- Radiology
- Pediatric Imaging
- Otolaryngology
Background:
- Pediatric hearing loss is a significant concern requiring accurate diagnosis.
- Imaging plays a vital role in understanding the underlying causes of hearing impairment in children.
- Differentiating between conductive and sensorineural hearing loss is critical for effective management.
Purpose of the Study:
- To highlight the utility of temporal bone high-resolution computed tomography (HRCT) and magnetic resonance (MR) imaging in evaluating pediatric hearing loss.
- To delineate the specific roles of CT and MR imaging in assessing different types of hearing loss.
- To emphasize the combined value of HRCT and MR imaging in preoperative planning for pediatric cochlear implantation.
Main Methods:
- Review of high-resolution computed tomography (HRCT) findings in pediatric conductive hearing loss and osseous abnormalities.
- Review of magnetic resonance (MR) imaging findings in pediatric sensorineural hearing loss.
- Analysis of complementary information provided by HRCT and MR imaging in pediatric hearing loss cases.
Main Results:
- High-resolution computed tomography (HRCT) is the preferred imaging modality for evaluating osseous abnormalities and conductive hearing loss.
- Magnetic resonance (MR) imaging is the preferred modality for evaluating sensorineural hearing loss.
- A wide range of imaging findings are associated with pediatric hearing loss, with HRCT and MR providing complementary data.
Conclusions:
- Temporal bone HRCT and MR imaging are essential diagnostic tools for pediatric hearing loss.
- CT excels in evaluating bony structures and conductive hearing loss, while MR is superior for sensorineural hearing loss.
- Combined HRCT and MR imaging are invaluable for the preoperative assessment of pediatric cochlear implant candidates.
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