QuestionSBA
QuestionChoice
This is a lower motor neuron lesion. Patients demonstrate unilateral facial weakness, but not forehead sparing.
10007178
c
Ramsay-Hunt syndrome
QuestionChoice
This is a lower motor neuron lesion. Patients demonstrate unilateral facial weakness, but not forehead sparing.
10007179
d
Human Immunodeficiency Virus (HIV)
QuestionChoice
The patient's symptoms of sudden onset unilateral facial weakness but preserved forehead movement ('forehead sparing') suggests an upper motor neuron lesion. This is likely to be a lesion in the facial nucleus or the corticobulbar tract in the brainstem.
10007176
a
Brainstem stroke
QuestionChoice
This is a lower motor neuron lesion. Patients demonstrate unilateral facial weakness, but not forehead sparing. Also, acoustic neuromas generally do not rapidly enlarge.
10007180
e
Rapidly enlarging acoustic neuroma
QuestionChoice
This is a lower motor neuron lesion. Patients demonstrate unilateral facial weakness, but not forehead sparing.
10007177
b
Bell's palsy
Concept
Chapter
2693
4386
Upper motor neuron lesions
Topic
152
Neuroscience
13982
A 60-year-old man presents to A&E with sudden onset weakness of the left side of his face. On examination, the weakness is limited to the left eye, cheek, and mouth. He is able to move his forehead on both sides.

Which of the following is the most likely cause of this condition?
a