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Comparative Study
. 2006 Apr;134(4):685-92.
doi: 10.1016/j.otohns.2005.11.030.

Computed tomography in the diagnosis of otosclerosis

Andy de Oliveira Vicente  1 , Hélio K Yamashita, Pedro Luiz Manguabeira Albernaz, Norma de Oliveira Penido
Affiliations
Comparative Study

Computed tomography in the diagnosis of otosclerosis

Andy de Oliveira Vicente et al. Otolaryngol Head Neck Surg. 2006 Apr.

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.

Ebm rating: B-3b.

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