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- Title
MRI of temporal bone: Clinical significance of incidental abnormality in a non-ENT group
- Authors
Lee, Dong-Hee; Jun, Beom Cho; Jung, Min Kyo; Park, Yong-Soo; Yeo, Sang-Won
- Abstract
Objectives: The purposes of this study are to determine the prevalence of abnormalities in the mastoid cavity and middle ear in a non-ENT population and to correlate with clinical data.Methods: Cross-sectional study. We prospectively evaluated a total of 100 adults and 30 children undergoing MRI scan for suspected intracranial pathology from May to July 2003. Patients who had a history of mastoid/middle ear surgery and were suffering otitis media were excluded. The T2-weighted images were reviewed. The abnormalities found on MRI were divided into (1) mastoid cavity abnormality and (2) middle ear abnormality. All patients were asked to complete a questionnaire pertaining to symptoms of mastoid/middle ear pathology and history of previous otitis media. Also their ears were examined carefully by otoscope or otomicroscope.Results: In both groups, most of abnormalities were found in the mastoid cavity. Analysis of the clinical data revealed that abnormal MRI findings of the mastoid cavity were significantly correlated to clinically significant mastoid/middle ear disease in adults.Conclusion: Incidental MRI abnormalities in mastoid cavity and middle ear detected in a non-ENT population were relatively uncommon, compared to incidental paranasal sinus abnormalities. However, clinicians should remember the possibility of the pathologies that demand active treatment among these abnormalities, especially when high signal abnormality is found in the mastoid cavity of adult.
- Subjects
MIDDLE ear diseases; EAR diseases; SURGERY; MEDICINE
- Publication
Otolaryngology-Head & Neck Surgery, 2004, Vol 131, Issue 2, pP266
- ISSN
0194-5998
- Publication type
Abstract
- DOI
10.1016/j.otohns.2004.06.554