Journal
EUROPEAN RADIOLOGY
Volume 12, Issue -, Pages S114-S117Publisher
SPRINGER
DOI: 10.1007/s00330-002-1525-9
Keywords
Ear; Magnetic resonance; Abnormalities; Enlarged endolymphatic duct and sac syndrome
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Large vestibular aqueduct syndrome (LVAS) is a congenital disorder characterized by progressive or fluctuating sensorineural hearing loss of unknown etiology. Serial MR examinations were performed before and after the development of hearing loss in two patients with LVAS. The signal and volume of the enlarged endolymphatic sac (EES) vary even in ears with stable hearing. In ears with fluctuating hearing, changes in EES signals were observed in only one of two patients. The finding that the EES volume and signal intensity vary dynamically independently of hearing is important for future research into the pathophysiology of hearing loss in this syndrome.
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