Otologic disease often extends into the hypotympanum, posterior mesotympanum, and infralabyrinthine compartments. Surgical access to these areas can be difficult because of the proximity of the facial nerve. In patients with a normal bone anatomy, these regions can be accessed by a retrofacial approach, which spares the posterior canal wall and avoids transposition of the facial nerve. The anatomy of the hypotympanum, posterior mesotympanum, and infralabyrinthine compartments will be reviewed emphasizing gross anatomic documentation. We will detail the surgical approach to these areas along the retrofacial air cell tract, and will present an appropriate case history.
(Arch Otolaryngol Head Neck Surg. 1995;121:233-236)
Roland JT, Hoffman RA, Miller PJ, Cohen NL. Retrofacial Approach to the Hypotympanum. Arch Otolaryngol Head Neck Surg. 1995;121(2):233–236. doi:10.1001/archotol.1995.01890020095019
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