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Int J Pediatr Otorhinolaryngol. 2008 Feb;72(2):147-52. Epub 2007 Dec 11.

Otosclerosis in children and adolescents: a clinical and CT-scan survey with review of the literature.

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  • 1Department Face and Neck, Unit of Pediatric Oto-Rhino-Laryngology, Tours University Hospital Center, 37044 Tours, France.



To assess the role of the CT-scan in the preoperative evaluation of juvenile otosclerosis and to study additional outcome data.


We performed a retrospective case series study from an academic referral hospital using data from 1992 to 2005.


We selected patients younger than 18-year-old who had undergone primary stapedectomy for otosclerosis among the 10 stapedectomies performed over the study period and analyzed the patients' systematic pre- and post-operative audiograms and CT-scan findings.


For this survey, complete data was available for 7 children, totaling 10 primary stapedectomies for otosclerosis. Their ages at diagnosis ranged from 10 to 17 years. In 4 children, CT-scan demonstrated bilateral findings typical of otosclerosis: poorly calcified foci near the fissula ante fenestram, associated with a hypodense edging surrounding the labyrinthine capsule in 2 children. The youngest patient had no CT-scan abnormalities. Stapedectomy was performed in one case and laser stapedotomy in 9 cases. Seven children were immediately improved following surgery and no postoperative facial palsy or prolonged vertigo was reported. The mean (S.D.) postoperative ABG was 6.5dB (+/-3.7). The mean closure was 19dB (+/-11.2). The mean change in high-tone bone conduction level was 1.8dB (+/-7.5). Six children had a postoperative ABG less than 10dB while in one, the ABG was inferior to 20dB.


Preoperative CT-scan is useful for the preoperative diagnosis of otosclerosis in children. The images seen must be distinguished from other footplate pathologies or deformities of the ossicular chain which are often associated with poorer surgical results. This survey provides additional evidence that stapes surgery is an effective procedure for treating juvenile otosclerosis.

[PubMed - indexed for MEDLINE]
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