Retroauricular Pain Preceding Bell's Palsy: Report of Three Cases and Clinical Analysis.

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A retroauricular pain (RAP) ipsilateral to the side of facial paralysis (FP), often experienced patients with Bell’s palsy, usually occurs around the onset of FP. Whether RAP is a risk factor for incomplete recovery from FP is controversial. This paper reports three patients with Bell’s palsy in whom acute RAP preceded FP by several days. The intervals between the onset of RAP and FP were 6, 12, and 12 days, and the quality of RAP was dull/tight or neuralgic. All patients received prednisolone and acyclovir orally, and their facial functions recovered within 8 weeks. Based on the serological tests, FP was diagnosed as due to varicella-zoster virus in two patients and as idiopathic in the other. Among 58 consecutive patients with Bell’s palsy, including the three patients described, 26 (44.8%) experienced RAP, the onset of which ranged from 12 days before to 2 days after the onset of FP. While the prognosis of FP was not different between patients with and without RAP, FP recovered well in all seven patients in whom RAP preceded the onset of FP by 4 days or more. These findings suggest that RAP preceding by several days may predict the good prognosis of FP. As RAP can be a preceding symptom of acute FP, patients with acute RAP require medical attention for at least 2 weeks.

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