3D-FLAIR MRI in facial nerve paralysis with and without audio-vestibular disorder

Authors: Nakata, Seiichi1; Mizuno, Terukazu; Naganawa, Shinji2; Sugiura, Makoto; Yoshida, Tadao1; Teranishi, Masaaki1; Sone, Michihiko1; Nakashima, Tsutomu1

Source: Acta Oto-Laryngologica, Volume 130, Number 5, May 2010 , pp. 632-636(5)

Publisher: Informa Healthcare

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Conclusion: Among patients with facial nerve paralysis, significant difference was observed on three-dimensional fluid-attenuated inversion recovery magnetic resonance imaging (3D-FLAIR MRI) between those with and without audio-vestibular disturbance. This MRI technique may contribute to elucidation of the pathology of Ramsay Hunt syndrome and Bell's palsy. Objective: To evaluate the 3D-FLAIR MRI findings in patients who have facial nerve paralysis with and without audio-vestibular disturbance. Methods: 3D-FLAIR MRI was performed with and without gadolinium enhancement in 15 patients (5 men and 10 women) with unilateral facial nerve paralysis: 3 patients with Ramsay Hunt syndrome, 3 patients having facial nerve paralysis with hearing loss or vertigo without vesicles, and 9 patients with Bell's palsy. Results: Five of the six patients with audio-vestibular disturbance showed high signals in the inner ear on precontrast 3D-FLAIR. In comparison, among nine patients with Bell's palsy, only one patient showed high signals in the inner ear on precontrast 3D-FLAIR (p < 0.05).

Keywords: Bell's palsy; Ramsay Hunt syndrome; inner ear

Document Type: Research Article

DOI: http://dx.doi.org/10.3109/00016480903338123

Affiliations: 1: 1Department of Otorhinolaryngology 2: 2Department of Radiology, Nagoya University Graduate School of Medicine, Nagoya

Publication date: May 1, 2010

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