A 71-year-old man is brought to the emergency department because of the sudden onset of dysarthria, dysphagia, and dizziness. Examination shows markedly decreased pain sensation on the right side of the face and complete loss of pain sensation on the left side of the body. The most likely cause is occlusion of which of the following blood vessels in the normal brain stem ?
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This syndrome is characterized by symptoms such as dysarthria, dysphagia, and dizziness, as well as decreased pain sensation on the ipsilateral (same side) face and contralateral (opposite side) body due to damage to the spinothalamic tract and trigeminal nerve Show more…
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