Deux cas particuliers de déhiscence du canal semicirculaire supérieur par déhiscence du sinus pétreux supérieur - 09/10/09
, R. Kohler a, C. Vincent b, J. Casselman c
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Summary |
We report two cases of superior semicircular canal dehiscence related to a dehiscence of the superior petrous sinus that creates a localized notch of the most superior part of the superior semicircular canal. This vascular dehiscence was suspected at CT and was confirmed by MR imaging with identification of the superior petrous sinus in touch with the intralabyrinthine fluid at this level. This not well-known etiology of the superior semicircular canal dehiscence syndrome has to be searched and described by radiologists, allowing an optimal surgical approach.
El texto completo de este artículo está disponible en PDF.Keywords : Superior semicircular canal dehiscence, Superior petrous sinus, CT, MR
Esquema
Vol 36 - N° 4
P. 240-243 - octobre 2009 Regresar al número
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