Fig. 11
Para-coronal (a) and para-axial (b) HRCT images of the left temporal bone in a patient with persistent vertigo and left-sided SNHL after left stapedectomy. The stapes prosthesis (arrow) is well positioned. However a small sclerotic focus is seen within the vestibule (arrowheads) in keeping with labyrinthitis ossificans. A small fenestral otosclerotic focus (dashed arrow) is seen in the para-axial view