1. TYPE OF SURGERY: Bone Anchored Hearing Aid Implantation PLANNED SURGERY: Cochlear™ Baha® DermaLock™ Implant in right ear (post-cholesteatoma surgery – Canal wall down) SURGICAL TECHNIQUE Soft tissue preservation technique with Cochlear™ Baha® DermaLock™ Implantation CASE 1/1 (14h45 – 15h45) LION TV CHANNEL 2 SURGEON: Sam J. Daniel McGill University Montreal (Canada) McGill University, Montreal LION TV1 - 19/59 The 8 th LION Global Broadcast May 16 th, 2013 Sam Daniel. BAHA Implantation

2. LION TV CHANNEL 1 Hospital Sirio-Libanèse LION TV1 - 20/59 CLINICAL History: 17 years old presented with right ear discharge and decreased hearing. Diagnosed with an aggressive congenital cholesteatoma involving the right middle ear and mastoid. Patient underwent a right canal wall-down mastoidectomy. Currently has maximal conductive hearing loss in the right ear. Not a good reconstruction candidate and unable to wear conventional hearing aids. Otoscopy: Mastoid cavity The 8 th LION Global Broadcast May 16 th, 2013 LION TV CHANNEL 2 Mc Gill University, Montreal Sam Daniel. BAHA Implantation

3. PURE-TONE AUDIOMETRY LION TV1 - 21/59 Please type The 8 th LION Global Broadcast May 16 th, 2013 LION TV CHANNEL 2 Mc Gill University, Montreal Sam Daniel. BAHA Implantation

4. CT-Scan Sam Daniel. BAHA Implantation LION TV1 - 22/59 The 8 th LION Global Broadcast May 16 th, 2013 LION TV CHANNEL 2 Mc Gill University, Montreal