期刊
JOURNAL OF THE FORMOSAN MEDICAL ASSOCIATION
卷 121, 期 7, 页码 1325-1333出版社
ELSEVIER TAIWAN
DOI: 10.1016/j.jfma.2021.08.027
关键词
Endolymphatic hydrops; MR imaging; Asymptomatic hydrops; Embryopathic hydrops; Delayed hydrops
资金
- National Science Council, Taipei, Taiwan [MOST 110-2314-B002-005]
- Good Liver Foundation, Taipei, Taiwan
MR imaging can be a supplementary tool for diagnosing secondary, embryopathic, or asymptomatic EH, with a sensitivity of 69% and specificity of 83%.
Background/Purpose: This study utilized the recently advanced technique in MR imaging to establish its role on diagnosing all types of endolymphatic hydrops (EH).Methods: Twenty-two patients (26 ears) with clinical EH were admitted due to acute hearing loss and/or vertiginous attack. Each patient underwent an inner ear test battery comprising audiometry, cervical and ocular vestibular-evoked myogenic potential tests, and caloric test, followed by MR imaging for confirmation.Results: Of the 22 clinical EH patients, 12 patients were referred to primary EH (Meniere's disease), 8 patients were secondary EH (including delayed EH in 5), and 2 patients were EH of embryopathic origin. MR imaging of 26 affected ears demonstrated EH in the cochlea only for 14 ears, in the utricle and saccule only for 1 ear, and in all three endorgans for 3 ears, accounting for a sensitivity of 69% (18/26). The 8 affected ears showing negative MR images were EH patients with hearing recovery 1, just after vertiginous attack 3, and chronic low-tone hearing loss 4. In contrast, 3 out of 18 unaffected ears demonstrated asymptomatic EH in the cochlea, representing a specificity of 83% (15/18).Conclusion: The sensitivity and specificity of MR imaging for confirming all types of EH were 69% and 83%, respectively. Although diagnostic criteria can identify primary and delayed EH, MR imaging may provide a supplementary tool for diagnosing secondary, embryopathic, or asymptomatic EH, if patients are not with hearing recovery, chronic low-tone hearing loss, or just after vertiginous attack.Copyright (c) 2021, Formosan Medical Association. Published by Elsevier Taiwan LLC. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/bync-nd/4.0/).
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