Spectrum of Third Window Abnormalities: Semicircular Canal Dehiscence and Beyond

被引:61
作者
Ho, M. -L. [1 ]
Moonis, G. [2 ]
Halpin, C. F. [3 ]
Curtin, H. D. [4 ]
机构
[1] Mayo Clin, Dept Radiol, 200 First St SW, Rochester, MN 55905 USA
[2] Columbia Univ, Dept Radiol, New York, NY USA
[3] Massachusetts Eye & Ear Infirm, Dept Otolaryngol, 243 Charles St, Boston, MA 02114 USA
[4] Massachusetts Eye & Ear Infirm, Dept Radiol, Boston, MA 02114 USA
关键词
LARGE VESTIBULAR AQUEDUCT; JUGULAR BULB ABNORMALITIES; AIR-BONE GAP; SENSORINEURAL HEARING-LOSS; MIDDLE-EAR CHOLESTEATOMA; SUPERIOR PETROSAL SINUS; LINKED MIXED DEAFNESS; TEMPORAL BONE; CAVITATING OTOSCLEROSIS; STAPES GUSHER;
D O I
10.3174/ajnr.A4922
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Third window abnormalities are defects in the integrity of the bony structure of the inner ear, classically producing sound-/pressure -induced vertigo (Tullio and Hennebert signs) and/or a low-frequency air-bone gap by audiometry. Specific anatomic defects include semicircular canal dehiscence, perilabyrinthine fistula, enlarged vestibular aqueduct, dehiscence of the scala vestibuli side of the cochlea, X-linked stapes gusher, and bone dyscrasias. We discuss these various entities and provide key examples from our institutional teaching file with a discussion of symptomatology, temporal bone CT, audiometry, and vestibular-evoked myogenic potentials.
引用
收藏
页码:2 / 9
页数:8
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