Open Mastoido-Epitympanectomy

Part 1: Mastoidectomy, Epitympanectomy  41 min
Part 2: Tympanoplasty (first stage)  13 min

Highlights

1. Retroauricular approach
2. Meatal skin flap (alternative technique)
3. Canalplasty
4. Wide removal of bone over middle cranial fossa dura, sigmoid sinus and sinus dura angle
5. Exposure of digastric muscle
6. Epitympanotomy with identification of tympanic segment of facial nerve
7. Lowering facial ridge over mastoid segment of fallopian canal
8. Radical exenteration and exposure of retrofacial and retrolabyrinthine cells
9. Radical exenteration and exposure of supralabyrinthine and supratubal recesses (epitympanectomy)
10. Extended canalplasty with removal of antero-inferior overhang of tympanic bone
11. Radical removal of matrix from tympanic cavity
12. Formation of a new tympanic sulcus
13. Removal of mastoid tip
14. Tympanoplasty (first stage)
15. Obliteration of posterior cavity with occipital myosubcutaneous flap
16. Meatoplasty
17. Reposition of meatal skin flap and packing