Dysequilibrium in a 5-year-old child with intrameatal vascular loops bilaterally

Abstract A 5 year-old boy was rather healthy until one month ago when loss of balance and muscle tone was noted by the parents. A battery of tests comprising electroencephalography, audiometry, caloric test and ocular vestibular evoked myogenic potential (oVEMP) test were performed, yet all tests sh...

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Bibliographic Details
Published in:International journal of pediatric otorhinolaryngology 2017-03, Vol.94, p.8-10
Main Authors: Wen, Ming-Hsun, Cheng, Po-Wen, Young, Yi-Ho
Format: Article
Language:English
Subjects:
Anterior inferior cerebellar artery (AICA) loop
Arteries - diagnostic imaging
Audiometry
Caloric Tests
Cerebellum - blood supply
Cervical vestibular evoked myogenic potential
Child, Preschool
Humans
Imbalance
Magnetic Resonance Imaging
Male
Muscle Weakness - etiology
Ocular vestibular evoked myogenic potential
Otolaryngology
Pediatrics
Postural Balance
Sensation Disorders - etiology
Vestibular Diseases - complications
Vestibular Diseases - diagnostic imaging
Vestibular Diseases - physiopathology
Vestibular Evoked Myogenic Potentials
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Summary:Abstract A 5 year-old boy was rather healthy until one month ago when loss of balance and muscle tone was noted by the parents. A battery of tests comprising electroencephalography, audiometry, caloric test and ocular vestibular evoked myogenic potential (oVEMP) test were performed, yet all tests showed normal responses. Conversely, cervical VEMP (cVEMP) test showed delayed responses bilaterally. MR imaging demonstrated bilaterally intrameatal vascular loops extending into both internal auditory canals. After a 3-month medication, delayed cVEMPs were resolved and returned to normal cVEMPs bilaterally, accompanied by subsidence of dysequilibrium.
ISSN:0165-5876
1872-8464
DOI:10.1016/j.ijporl.2017.01.004