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  • Title: Clinical feasibility of temporal bone magnetic resonance imaging as a prognostic tool in idiopathic acute facial palsy.
    Author: Jun BC, Chang KH, Lee SJ, Park YS.
    Journal: J Laryngol Otol; 2012 Sep; 126(9):893-6. PubMed ID: 22784861.
    Abstract:
    OBJECTIVE: To assess the feasibility of temporal bone magnetic resonance imaging for evaluating the severity and prognosis of idiopathic acute facial nerve palsy. METHODS: Forty-four patients with idiopathic acute facial nerve palsy who had undergone gadolinium-enhanced magnetic resonance imaging were selected retrospectively. The degree of radiological facial nerve enhancement was determined using quantitative analysis (with region-of-interest measurements for separate facial nerve segments) and using subjective visual analysis. The clinical severity of facial nerve palsy was then correlated with the degree of facial nerve enhancement. RESULTS: The visually determined degree of facial nerve enhancement did not correlate significantly with the House-Brackmann grade at either the early or late stages (p > 0.05). Results using the region-of-interest system were similar (p > 0.05). CONCLUSION: Temporal bone magnetic resonance imaging is not essential for patients with acute facial nerve palsy.
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