Computed tomography in the diagnosis of otosclerosis

  • Vicente Ade O
  • Yamashita H
  • Albernaz P
 et al. 
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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.

Author-supplied keywords

  • *Tomography, X-Ray Computed
  • Adolescent
  • Adult
  • Diagnosis, Differential
  • Female
  • Humans
  • Male
  • Middle Aged
  • Otosclerosis/*diagnostic imaging
  • Prospective Studies
  • Reproducibility of Results
  • Severity of Illness Index

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  • O Vicente Ade

  • H K Yamashita

  • P L Albernaz

  • O Penido Nde

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