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Abstract
Bell's palsy is a peripheral involvement of the seventh cranial nerve due to an unknown cause.
The picture is acute and unilateral, where first instance retro atrial pain may occur and then there is weakness of the facial muscles.
The diagnosis is clinical, in special cases complementary studies are used and has several differential diagnoses, among the most important are cerebrovascular accident, neoplasia and Ramsay Hunt syndrome.
Treatment should be started acutely, with steroids being the preferred choice in the first 24 to 72 hours, associated with physical therapy. In more than 90% of cases with a good prognosis and without long-term sequelae.
Keywords
References
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