Computed tomography in the diagnosis of otosclerosis
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Date
2006-04-01
Authors
Vicente, Andy de Oliveira [UNIFESP]
Yamashita, Helio Kiitiro [UNIFESP]
Mangabeira-Albernaz, Pedro Luiz [UNIFESP]
Penido, Norma de Oliveira [UNIFESP]
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Abstract
OBJECTIVES: To identify the main tomographic findings of otosclerosis and to evaluate the usefulness of high-resolution computed tomography as a diagnostic method for this osteodystrophy.STUDY DESIGN and SETTING: A prospective and multicenter Study consisting of computed tomography (CT) of the temporal bone was conducted on 54 patients with a clinical and surgical diagnosis of otosclerosis. Twenty-two patients were included in the control group.RESULTS: the CT scan was positive in 87% of the patients. the tomographic findings were mainly bilateral and fenestral foci were more prevalent.CONCLUSIONS: CT showed a high rate of positivity, mainly for fenestral lesions. Foci anterior to the oval window were the most prevalent in this population.SIGNIFICANCE: CT is useful as a diagnostic method and therapeutic indicator of otosclerosis.
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Citation
Otolaryngology-head and Neck Surgery. St Louis: Mosby, Inc, v. 134, n. 4, p. 685-692, 2006.