[1]ENT Department;
Countess of Chester Hospital;
Chester;
Cheshire CH2 1UL;
United Kingdom;
[2]ENT Department;
Royal National Throat;
Nose and Ear Hospital;
London WC1X 8DA;
United Kingdom;
Otosclerosis; High resolution computed tomography; Otospongiosis; Retrofenestral; Sensitivity ; Specificity ; Fenestral; Computed tomography ;