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Incidence of Underlying Abnormal Findings on Routine Magnetic Resonance Imaging for Bell Palsy

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Key Points Question What is the proportion of adult patients in whom magnetic resonance imaging (MRI) leads to correction of an initial clinical diagnosis of Bell palsy (BP)? Findings In… Click to show full abstract

Key Points Question What is the proportion of adult patients in whom magnetic resonance imaging (MRI) leads to correction of an initial clinical diagnosis of Bell palsy (BP)? Findings In this retrospective cohort study of 120 patients with suspected clinical BP, routine MRI of the entire facial nerve in 8 patients (6.7%) resulted in identification of underlying causes, some of which could have been life-threatening. Meaning These findings suggest that MRI in patients with suspected BP should be routine.

Keywords: magnetic resonance; bell palsy; incidence underlying; resonance imaging

Journal Title: JAMA Network Open
Year Published: 2023

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