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Temporal bone pneumatisation: a computed tomography study of pneumatized articular tubercle
P Bronoosh1, A Shakibafard2, M R Mokhtare1
1Department of Oral and Maxillofacial Radiology, School of Dentistry, Shiraz University of Medical Sciences, Iran.
Clinical Radiology
|November 1, 2013
Summary
Pneumatized articular tubercle (PAT) affects 9.55% of patients, and its presence predicts larger pneumatized temporal bone spaces. Computed tomography (CT) is recommended for surgical planning in PAT cases.
Area of Science:
- Radiology
- Anatomy
- Otolaryngology
Background:
- Pneumatized articular tubercle (PAT) is an anatomical variation.
- Its prevalence and association with temporal bone pneumatization are not well-established.
Purpose of the Study:
- To determine the prevalence and characteristics of PAT using computed tomography (CT).
- To assess if PAT presence predicts larger pneumatized spaces in the temporal bone.
Main Methods:
- Retrospective analysis of CT scans from 225 patients.
- Recording of PAT laterality, type, and temporal bone pneumatization.
- Statistical analysis using Chi-square and Mann-Whitney U-tests.
Main Results:
- PAT was found in 43 patients (9.55%), with no significant gender difference.
- PAT prevalence was higher than commonly perceived.
- PAT presence was significantly associated with larger pneumatized spaces in the temporal bone (p = 0.0001).
Conclusions:
- PAT may be more common than previously thought.
- Evaluating air cells around the articular tubercle can estimate temporal bone pneumatization.
- CT is crucial for surgical planning in patients with PAT.
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