A 40-year-old right-handed female presented with a three-week history of abrupt onset, persistent right-sided sensory alteration. She described a sense of heaviness and numbness in the right face, arm, and part of her right leg. She also noted intermittent expressive speech difficulty. On examination, she was found to have a mild right-sided facial droop and impairment of all sensory modalities including light touch, pinprick, vibration, and proprioception throughout her right side. The remainder of her neurological exam was normal and speech was fluent.
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