Fig. 5

Recovery from H-B grade V to H-B grade I after decompression. No. 12 patient, male, 17-year-old, suffered from facial nerve edematous in the canal wall down mastoidectomy for right-side cholesteatoma of middle ear, received decompression within 2 months. a b Axial CT images revealed fallopian canal of tympanic segment was defective. c d e Facial images before decompression; c at rest before decompression; d eye closure before decompression; e smile before decompression. f g h Facial images after decompression; f at rest after decompression; g eye closure after decompression; h smile after decompression