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OBJECTIVE Because of the intricate anatomy of the temporal bone, we examined the feasibility and reliability of cranial surface anatomic fiducials to register computed tomographic images of the temporal bone by using a frameless image-guided system. METHODS One-millimeter thick computed tomographic slices and the smallest possible field of view were used(More)
Clinical trials to evaluate multichannel cochlear implantation in children ages 2 to 17 years began in late 1986, with pre-market approval granted in 1990. To date, 870 children in the United States have received the Nucleus 22-channel device. Performance on measures of speech perception in 30 children who have used the Nucleus cochlear implant for a(More)
OBJECTIVE To report the authors' experience with transtympanic electrocochleography during the past 10 years. STUDY DESIGN Retrospective case review. SETTING Otology/neurotology referral center. PATIENTS Transtympanic electrocochleography was performed on 2,421 ears of 2,140 patients from May 1990 to April 2000. INTERVENTION Clicks and tonebursts(More)
Surgical implantation of a multichannel cochlear prosthesis has become a widespread treatment for profound hearing loss. The relationship between duration of hearing loss and speech recognition ability was examined in 20 postlinguistically deafened adults using the Nucleus 22-Channel Cochlear Prosthesis. Data analysis indicated statistically significant(More)
Despite a body of literature focusing on the functionality of modern and stylistically distinct projectile points, comparatively little attention has been paid to quantifying the functionality of the early stages of projectile use. Previous work identified a simple ballistics measure, the Tip Cross-Sectional Area, as a way of determining if a given class of(More)
Streptomycin perfusion of the labyrinth through the round window membrane in the middle ear is a simple, safe, and effective way to stop the dizzy spells, fullness, and tinnitus of Ménière's disease without making the hearing worse. My results with 24 patients in the last 8 months are presented. Although the long-term effect of this operation remains to be(More)
Cholesterol granulomas of the head are relatively rare. Isolated lesions of the cerebellopontine angle are even more uncommon. In this report, 17 cases of petrous apex cholesterol granulomas are presented and management is discussed. Symptoms at presentation included dizziness (14 patients), pressure (nine patients), tinnitus (eight patients), hearing loss(More)