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Revista de otorrinolaringología y cirugía de cabeza y cuello
versión On-line ISSN 0718-4816
WHYTE O, Jaime et al. Dehiscence in the superior semicircular canal: Anatomic incidence study. Rev. Otorrinolaringol. Cir. Cabeza Cuello [online]. 2011, vol.71, n.1, pp.39-43. ISSN 0718-4816. http://dx.doi.org/10.4067/S0718-48162011000100006.
Introduction: The presence of dehiscence in the superior semicircular canal shows a remarkable difference between radiological (from 1%% to 19%%) and anatomical incidence (between 0,4% and 0,6%) Aim: To determine the incidence anatomical superior semicircular canal dehiscence. Material and method: The incidence of dehiscence in superior semicircular canal in 80 skulls (160 temporal bones) is studied. Results: We have observed the presence of one dehiscence in the superior semicircular canal in one skull from the 80 studied, representing an incidence of 0.6%. The possible causes are discussed because of the prevalence of the radiological studies is highly superior to anatomical studies. Conclusion: It is obvious the over-diagnosis performed about the dehiscences in the superior semicircular canal since anatomical finds are quite different from the results obtained by means of image technics.
Palabras clave : Dehiscence; superior semicircular canal; anatomical incidence.