Fig. 1.

Axial (a) and coronal (b) HRCT images of the right temporal bone in an adult patient with right-sided CHL. A hypodense demineralised plaque (arrow) is noted in the region of the fissula ante fenestram in keeping with fenestral otosclerosis

Axial (a) and coronal (b) HRCT images of the right temporal bone in an adult patient with right-sided CHL. A hypodense demineralised plaque (arrow) is noted in the region of the fissula ante fenestram in keeping with fenestral otosclerosis