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Magnetic Resonance Imaging of the Large Vestibular Aqueduct
Barry E. Hirsch, MD;
Jane L. Weissman, MD;
Hugh D. Curtin, MD;
Donald B. Kamerer, MD
Arch Otolaryngol Head Neck Surg. 1992;118(10):1124-1127.
Abstract
• The large vestibular aqueduct syndrome describes an abnormally large endolymphatic duct and sac with associated sensorineural hearing loss. This entity was originally reported in 1978 and has since been identified as a finding in children with progressive hearing loss. The original description of the large vestibular aqueduct employed hypocycloidal polytomography of temporal bone. Subsequent reports studied patients identified with this syndrome using computed tomographic scans. We report magnetic resonance imaging of two patients diagnosed with the large vestibular aqueduct syndrome. The magnetic resonance imaging and computed tomographic scans are compared and the significant findings on magnetic resonance imaging are reviewed. This should assist the otolaryngologist and radiologist with establishing the appropriate diagnosis.
(Arch Otolaryngol Head Neck Surg. 1992;118:1124-1127)
Author Affiliations
From the Departments of Otolaryngology (Drs Hirsch, Curtin, and Kamerer) and Radiology (Dr Weissman and Curtin), University of Pittsburgh (Pa) School of Medicine and The Eye & Ear Institute of Pittsburgh.
Footnotes
Accepted for publication June 17, 1992.
Reprint requests to The Eye & Ear Institute, Suite 500, 203 Lothrop St, Pittsburgh, PA 15213 (Dr Hirsch).
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