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Vestibular aqueduct in Menière's disease and non-Menière's disease with endolymphatic hydrops: a computer aided volumetric study. 1991

H Masutani, and H Takahashi, and I Sando, and H Sato
Elizabeth McCullough Knowles Otopathology Laboratory, University of Pittsburgh School of Medicine, Pennsylvania.

The volume of the vestibular aqueduct was studied by a computer-aided volumetric method in 9 temporal bones with endolymphatic hydrops from individuals with Menière's disease (MD), 7 temporal bones with endolymphatic hydrops from individuals without a history of Meniere's disease (non-MD hydrops), and 10 normal temporal bones (controls) to investigate the cause of endolymphatic hydrops in both MD and non-MD hydrops. A hypoplastic vestibular aqueduct was found significantly more often in the MD group than in either the non-MD hydrops group (chi 2-test, chi 2 = 4.063, p less than 0.05) or the control group (chi 2-test, chi 2 = 6.363, p less than 0.05). The difference in volume between the non-MD hydrops group and the control group was not significant. It is speculated that a small vestibular aqueduct (presumably containing a small endolymphatic sac) might be a predisposing factor in Menière's disease. In contrast, in non-MD hydrops, there seems to be no correlation of endolymphatic hydrops with a hypoplastic vestibular aqueduct and endolymphatic sac.

UI MeSH Term Description Entries
D008575 Meniere Disease A disease of the inner ear (LABYRINTH) that is characterized by fluctuating SENSORINEURAL HEARING LOSS; TINNITUS; episodic VERTIGO; and aural fullness. It is the most common form of endolymphatic hydrops. Meniere's Disease,Meniere's Syndrome,Vertigo, Aural,Auditory Vertigo,Aural Vertigo,Ménière Disease,Ménière's Disease,Ménière's Vertigo,Otogenic Vertigo,Auditory Vertigos,Disease, Meniere,Disease, Meniere's,Disease, Ménière,Disease, Ménière's,Diseases, Ménière,Diseases, Ménière's,Meniere Syndrome,Menieres Disease,Menieres Syndrome,Ménière Diseases,Ménière Vertigo,Ménière's Diseases,Ménière's Vertigos,Ménières Disease,Ménières Vertigo,Otogenic Vertigos,Syndrome, Meniere's,Vertigo, Auditory,Vertigo, Ménière's,Vertigo, Otogenic,Vertigos, Auditory,Vertigos, Ménière's,Vertigos, Otogenic
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D003201 Computers Programmable electronic devices designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Calculators, Programmable,Computer Hardware,Computers, Digital,Hardware, Computer,Calculator, Programmable,Computer,Computer, Digital,Digital Computer,Digital Computers,Programmable Calculator,Programmable Calculators
D004487 Edema Abnormal fluid accumulation in TISSUES or body cavities. Most cases of edema are present under the SKIN in SUBCUTANEOUS TISSUE. Dropsy,Hydrops,Anasarca
D004712 Endolymphatic Sac The blind pouch at the end of the endolymphatic duct. It is a storage reservoir for excess ENDOLYMPH, formed by the blood vessels in the membranous labyrinth. Endolymphatic Sacs,Sac, Endolymphatic,Sacs, Endolymphatic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D014723 Vestibular Aqueduct A small bony canal linking the vestibule of the inner ear to the posterior part of the internal surface of the petrous TEMPORAL BONE. It transmits the endolymphatic duct and two small blood vessels. Aqueduct of Vestibule,Aqueduct, Vestibular,Aqueducts, Vestibular,Vestibular Aqueducts,Vestibule Aqueduct,Vestibule Aqueducts
D015837 Vestibular Diseases Pathological processes of the VESTIBULAR LABYRINTH which contains part of the balancing apparatus. Patients with vestibular diseases show instability and are at risk of frequent falls. Disease, Vestibular,Diseases, Vestibular,Vestibular Disease

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