Surgical and radiologic anatomy : SRA
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To assess the presence of dehiscence of the superior semicircular canal (SSCC) on computed tomography (CT) scanning and to study the microscopic anatomo-radiological correlation. ⋯ This study emphasizes the limitations of CT imaging, with a risk of false positives to take into account when interpreting the images. The 3D reconstructions also give too many false positives to be used alone and make an accurate diagnosis. The diagnosis of SSCC dehiscence will therefore remain clinical. Complementary and instrumental radiological examinations should be performed only to confirm this clinical suspicion.