Isolated unilateral hypoglossal nerve paralysis is a rare condition. The etiologic factors that may cause this are cancer metastases, infection, endocrine, neurological, autoimmune and vascular reasons. A 56-year-old male patient complained of swelling, speech impairment and biting the left side of the tongue for 2 years.
Key words: Hypoglossal nerve, paralysis, MRI, CT
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