26th April 2024

A 35-year-old woman presents with a sudden onset of right-sided facial weakness that she noticed upon waking up this morning.

A 35-year-old woman presents with a sudden onset of right-sided facial weakness that she noticed upon waking up this morning. She is unable to close her right eye completely and has difficulty smiling on the right side of her face. She reports no recent illness or ear pain. Her taste sensation is altered on the right side of her tongue, and she is experiencing increased sensitivity to sound in her right ear.

Examination reveals no other neurological deficits.

Which is the most likely diagnosis?