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A 54-year-old healthy man was admitted to our hospital with acute dysarthria and mild impairment in swallowing and tongue movements, which he had noticed 2 days before. He was not taking any drugs, and his medical history was unremarkable except for mild hypertension (145/95 mm Hg). He denied prior trauma, fever, facial pain, headache or any other symptoms.
Physical examination showed mild dysarthria and left-sided tongue deviation when the patient poked his tongue out, which was consistent with left hypoglossal nerve palsy (figure 1A). Other cranial nerves were preserved. Carotid murmurs were not heard, and the general and neurological exams were otherwise normal.