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Morphometric Study of the Vestibular Aqueduct in Patients With Enlarged Vestibular Aqueduct. 2017

Huiying Lyu, and Keguang Chen, and Youzhou Xie, and Lin Yang, and Tianyu Zhang, and Peidong Dai
From the *Department of Otolaryngology, †Research Center, Eye and ENT Hospital, Fudan University, ‡Key Laboratory of Hearing Medicine, National Ministry of Public Health, Shanghai, China.

OBJECTIVE To test whether there are significant differences in the morphologic features of the enlarged vestibular aqueduct (EVA) and its anatomic relationships with adjacent structures between EVA patients with and without other inner ear malformations. METHODS The morphology of vestibular aqueduct, volume of vestibule, and anatomic location of facial nerve (FN) were compared among 3 groups. Group A, 18 control subjects; group B, 32 EVA patients without other inner ear malformations; group C, 14 EVA patients with other inner ear malformations. RESULTS The isthmus of the aqueduct and vestibular volume in group C were larger than those in group B (P < 0.05). Positive correlations were identified between the length of the aqueduct and the vestibular volume in groups B and C. The vertical FN segment in group C located more anteriorly than that in groups A and B (P < 0.05). CONCLUSIONS Compared with EVA patients without other inner ear malformations, the aqueduct, and vestibule in EVA patients with other inner ear malformations are larger, the vertical FN segment locates more anteriorly.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007758 Ear, Inner The essential part of the hearing organ consists of two labyrinthine compartments: the bony labyrinthine and the membranous labyrinth. The bony labyrinth is a complex of three interconnecting cavities or spaces (COCHLEA; VESTIBULAR LABYRINTH; and SEMICIRCULAR CANALS) in the TEMPORAL BONE. Within the bony labyrinth lies the membranous labyrinth which is a complex of sacs and tubules (COCHLEAR DUCT; SACCULE AND UTRICLE; and SEMICIRCULAR DUCTS) forming a continuous space enclosed by EPITHELIUM and connective tissue. These spaces are filled with LABYRINTHINE FLUIDS of various compositions. Labyrinth,Bony Labyrinth,Ear, Internal,Inner Ear,Membranous Labyrinth,Bony Labyrinths,Ears, Inner,Ears, Internal,Inner Ears,Internal Ear,Internal Ears,Labyrinth, Bony,Labyrinth, Membranous,Labyrinths,Labyrinths, Bony,Labyrinths, Membranous,Membranous Labyrinths
D008297 Male Males
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D005260 Female Females
D006319 Hearing Loss, Sensorineural Hearing loss resulting from damage to the COCHLEA and the sensorineural elements which lie internally beyond the oval and round windows. These elements include the AUDITORY NERVE and its connections in the BRAINSTEM. Deafness Neurosensory,Deafness, Neurosensory,Deafness, Sensoryneural,Neurosensory Deafness,Sensorineural Hearing Loss,Sensoryneural Deafness,Cochlear Hearing Loss,Hearing Loss, Cochlear,Deafnesses, Neurosensory,Deafnesses, Sensoryneural,Neurosensory Deafnesses,Sensoryneural Deafness,Sensoryneural Deafnesses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
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

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