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Case report reveals bilateral facial nerve paralysis associated with primary Sjögren syndrome, suggesting crucial diagnostic steps.
Bilateral facial nerve paralysis can be the presenting feature of primary Sjögren syndrome. Minor salivary gland biopsy and anti‐SS‐A antibody testing are essential for diagnosis when sicca symptoms are mild, as this rare manifestation may be underdiagnosed without histopathological investigation.
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Ryosuke Hanaoka (2025) studied this question.
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