Bilateral Oval and Round Window Atresia on CT Temporal Bone: A Rare Anomaly Clinically Mimicking Otosclerosis in an Adult

<div>High resolution CT Temporal axial (top and bottom row) and coronal images (middle row) in another case showing ante-fenestral otosclerosis manifesting as ill-defined lucencies (arrows, top and middle row). Note even involvement of round windows (arrows, bottom row).</div>

Case Reports in Radiology

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Figure 5

Figure 5: Bilateral Oval and Round Window Atresia on CT Temporal Bone: A Rare Anomaly Clinically Mimicking Otosclerosis in an Adult 