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Correlation between MRI and operative findings in Bell`s palsy and Ramsay Hunt syndrome

Authors
 In Sup Kim  ;  Seung-Ho Shin  ;  Ho-Ki Lee  ;  Won-Sang Lee  ;  Jinna Kim 
Citation
 YONSEI MEDICAL JOURNAL, Vol.48(6) : 963-968, 2007 
Journal Title
YONSEI MEDICAL JOURNAL
ISSN
 0513-5796 
Issue Date
2007
Abstract
PURPOSE:
To investigate the correlation between gadolinium enhanced magnetic resonance image (MRI) results and surgical findings of facial nerves in Bell's palsy and Ramsay Hunt syndrome.
MATERIALS AND METHODS:
From 1995 to 2004, MRI was performed on 13 patients with Bell's palsy or Ramsay Hunt syndrome, who were offered with surgical decompression of the facial nerve through the middle cranial fossa approach. Gadolinium enhanced MRI was performed on all patients and the enhancement of the facial nerve was evaluated by radiology specialists. Operative findings including the degree of the facial nerve segment swelling were examined. Furthermore, the time interval from the onset of palsy to surgery was evaluated.
RESULTS:
Swelling of facial nerve segments was found in patients with enhanced facial nerves from MRI. The swelling of the facial nerve in the labyrinthine segment in particular was identified in all patients with enhanced labyrinthine segments in MRI. The intraoperative swelling of geniculate ganglion of facial nerve was found in 78% of patients with enhanced facial segment in MRI (p=0.01). The intraoperative swelling of tympanic segment was observed from fourth to ninth weeks after the onset of palsy.
CONCLUSION:
MRI enhancement of facial nerves in Bell's palsy and Ramsay Hunt syndrome is associated with the extent of intratemporal lesions of facial nerves, especially in the labyrinthine segment.
Files in This Item:
T200701420.pdf Download
DOI
10.3349/ymj.2007.48.6.963
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jinna(김진아) ORCID logo https://orcid.org/0000-0002-9978-4356
Shin, Seung Ho(신승호B)
Lee, Won Sang(이원상)
Lee, Ho Ki(이호기)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/97555
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