Anatomy clinical correlates Quiz: Ace Your Exams
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A 59-year-old man comes to the office because of tearing and blurry vision in the right eye. The patient also reports progressive headaches and says that “I feel like the right side of my face has been getting heavier.” The patient has had no fever, runny nose, sore throat, or cough. He does not report any trauma or loss of consciousness. Past medical history is significant for hypertension and type 2 diabetes mellitus that are both well-controlled with medications. Vitals are within normal limits. Physical examination shows right nasolabial fold flattening and drooping of the right lower lip. The patient is unable to close the right eye. The left side of the face appears normal. The ocular examination is shown below.
Reproduced from wikipedia
MRI of the brain reveals a well-circumscribed, homogeneously enhancing posterior fossa mass compressing the right facial nerve root. Impairment of which of the following facial muscles is most likely responsible for this patient’s ocular symptoms?
Reproduced from wikipedia
MRI of the brain reveals a well-circumscribed, homogeneously enhancing posterior fossa mass compressing the right facial nerve root. Impairment of which of the following facial muscles is most likely responsible for this patient’s ocular symptoms?
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