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Clinical significance of quantitative analysis of facial nerve enhancement on MRI in Bell's palsy

 Song MH  ;  Kim J  ;  Jeon JH  ;  Cho CI  ;  Yoo EH  ;  Lee WS  ;  Lee HK. 
 Acta Oto-Laryngologica, Vol.128(11) : 1259-1265, 2008 
Journal Title
 Acta Oto-Laryngologica 
Issue Date
Adolescent ; Adult ; Aged ; Aged, 80 and over ; Bell Palsy/pathology* ; Contrast Media* ; Facial Nerve/pathology* ; Female ; Gadolinium DTPA* ; Humans ; Magnetic Resonance Imaging* ; Male ; Middle Aged ; Young Adult
CONCLUSIONS: Quantitative analysis of the facial nerve on the lesion side as well as the normal side, which allowed for more accurate measurement of facial nerve enhancement in patients with facial palsy, showed statistically significant correlation with the initial severity of facial nerve inflammation, although little prognostic significance was shown. OBJECTIVES: This study investigated the clinical significance of quantitative measurement of facial nerve enhancement in patients with Bell's palsy by analyzing the enhancement pattern and correlating MRI findings with initial severity of facial palsy and clinical outcome. SUBJECTS and METHODS: Facial nerve enhancement was measured quantitatively by using the region of interest on pre- and postcontrast T1-weighted images in 44 patients diagnosed with Bell's palsy. The signal intensity increase on the lesion side was first compared with that of the contralateral side and then correlated with the initial degree of facial palsy and prognosis. RESULTS: The lesion side showed significantly higher signal intensity increase compared with the normal side in all of the segments except for the mastoid segment. Signal intensity increase at the internal auditory canal and labyrinthine segments showed correlation with the initial degree of facial palsy but no significant difference was found between different prognostic groups
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1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jinna(김진아) ORCID logo https://orcid.org/0000-0002-9978-4356
Song, Mee Hyun(송미현)
Yoo, Eun Hye(유은혜)
Lee, Won Sang(이원상)
Lee, Ho Ki(이호기)
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