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Acute temporal bone trauma: utility of high-resolution computed tomography
J B Kahn1, M G Stewart, P J Diaz-Marchan
1Bobby R. Alford Department of Otorhinolaryngology and Communicative Sciences, Baylor College of Medicine, Houston, Texas 77030, USA.
The American Journal of Otology
|September 19, 2000
Summary
High-resolution computed tomography (HRCT) for temporal bone trauma offers minimal clinical utility. Selective HRCT use may aid decisions, but patient management relies on other factors.
Area of Science:
- Radiology
- Trauma Surgery
- Otolaryngology
Background:
- Temporal bone trauma requires accurate evaluation for effective management.
- High-resolution computed tomography (HRCT) is a modality used for assessing temporal bone injuries.
Purpose of the Study:
- To evaluate the clinical utility of HRCT in managing temporal bone trauma.
- To determine if HRCT findings influence patient management decisions.
Main Methods:
- Retrospective review of 105 patients with temporal bone trauma at a Level I trauma center.
- Analysis of associations between HRCT findings, clinical presentation, audiometry, head CT, and management decisions.
Main Results:
- HRCT showed poor correlation with clinical findings and management decisions.
- HRCT findings influenced management in only 10% of cases.
- Asymptomatic carotid canal fractures were identified in 9% of patients via HRCT.
Conclusions:
- Routine HRCT has limited clinical utility in temporal bone trauma.
- Selective HRCT may supplement decision-making, but other factors primarily guide management.
- Angiography for asymptomatic carotid canal fractures lacked demonstrated clinical utility.