A tumor of the parotid gland would most likely present with which symptom?

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Prepare for the NBEO Ocular Anatomy Posterior Segment and Cranial Nerves Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

A tumor of the parotid gland would most likely present with which symptom?

Explanation:
Parotid gland tumors commonly affect the facial nerve because the nerve runs through the gland and its branches innervate the muscles of facial expression. When a tumor compresses or invades CN VII, it leads to ipsilateral facial weakness or asymmetry, which shows up as abnormal facial expressions. That motor deficit is the most characteristic and likely presenting symptom. While parasympathetic fibers to lacrimal glands, taste fibers from the anterior two-thirds of the tongue, or the small muscle stapedius can be involved with facial nerve issues, these are less typical as the primary presenting signs for a parotid mass.

Parotid gland tumors commonly affect the facial nerve because the nerve runs through the gland and its branches innervate the muscles of facial expression. When a tumor compresses or invades CN VII, it leads to ipsilateral facial weakness or asymmetry, which shows up as abnormal facial expressions. That motor deficit is the most characteristic and likely presenting symptom.

While parasympathetic fibers to lacrimal glands, taste fibers from the anterior two-thirds of the tongue, or the small muscle stapedius can be involved with facial nerve issues, these are less typical as the primary presenting signs for a parotid mass.

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