Figure 1: Surgical view of left ear after reconstruction of the external auditory canal and mastoid obliteration with bioactive glass granules. (a) After reconstruction of middle ear in a canal-wall-down mastoidectomy; (b) after positioning of the granules; (c) at the end of the procedure before skin closure: note the mastoid completely obliterated by the granules (black oval) covered by cartilage (black stars).