OTOLARYNGOLOGY
Definitions and Classifications of Mastoidectomy
Fig. 1 Atticotomy with preservation of the bony bridge in a case of intact ossicular chain. The posterior and superior tympanomeatal flaps are elevated, and superior and posterior tympanotomies are…
Reconstruction of the Posterior Ear Canal Wall
3. The stapes should be present. A columella placed in front of the tympanic isthmus with the possibility of adhesion formation between the columella and the surrounding structures, especially the…
Transcortical Canal Wall-Down Mastoidectomy
Bondy’s Operation In ears with an attic cholesteatoma, good hearing, and an intact pars tensa, the original Bondy’s operation can be performed using a retroauricular or an endaural approach. With…
Transmeatal Canal Wall-Down Mastoidectomy
Fig. 615 Transmeatal outside-in canal wall–down mastoidectomy in a retroauricular approach. After a retroauricular flap incision (Vol. 1, Fig. 135–147) an anterior-based subcutis–muscle–periosteum flap is elevated, exposing the mastoid plane…
Temporary Displacement or Removal of the Bony Ear Canal Wall
Fig. 490 Osteoplastic mastoidectomy (Schnee). After excising the margins of the posterior perforation to be closed at the end of the operation, a large posterosuperior circumferential incision of the ear…
Cavity Obliteration with Bone
Fig. 991 Harvesting strips of cancellous bone from the iliac crest (Schiller): a After incision along the iliac crest, a lid of the iliac crest is chiseled and lifted. Cancellous…
Obliteration with Biocompatible Materials
Fig. 1016 Obliteration of the cavity using anorganic bovine bone behind a Palva flap and a fascia (Härmä and Koskinen). The ossiculoplasty is performed using a columella. Fascia is placed…
The Pneumatic System of the Temporal Bone
Fig. 110 The size of the mastoid air cell system found by Diamant (1940) in consecutive patients hospitalized for scarlet fever. The dashed line indicates the Gaussian curve. After Diamant…
Cavity Obliteration with Cartilage
Fig. 971 Primary total obliteration of the cavity after classic intact canal wall mastoidectomy using autogenous cartilage and a Palva flap. After a canal wall–up mastoidectomy with a completely intact…