A 62-year-old man has a head CT after complaining about bouts of vertigo (dizzin

Question

A 62-year-old man has a head CT after complaining about bouts of vertigo (dizziness) and is referred to an oncologist after a tumor in the skull is detected. Upon exam, the doctor notices the muscles on the right side of his face do not move when he tries to smile and he cannot raise his eyebrows. In addition to facial muscle problems, he mentions food has been tasting bland lately, his mouth and right eye feel dry, and he is having trouble hearing. He has no problems with vision or eye movements, and can chew food relatively well, though occasionally he feels like food gets stuck on the outside of his teeth. Which anatomical structure is disrupted by the tumor? 4.

Explanation / Answer

Cranial nerve VII which is called as Facial nerve is disrupted by the tumor. Facial nerve controls the movement of facial muscles, lacrimal gland in eye, salivary gland in mouth, taste perception in tongue, controls external auditory canal and middle ear.

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