Facial nerve parotid
The parotid gland in relation to the facial nerve
The facial nerve is the seventh cranial nerve, or simply CN VII. It emerges from the pons of the The facial nerve then passes through the parotid gland, which it does not innervate, to form the parotid plexus, which splits into five branches.
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Description:It also supplies parasympathetic innervation to the nasal mucosa and the lacrimal gland via the pterygopalatine ganglion. Tuberculosis The most common head and neck manifestation of tuberculosis mycobacterial disease is infection of cervical lymph nodes. If the tumor occupies the most superficial portion of the gland, with a significant area of parotid tissue deep to it, the nerve is likely to be deep to the tumor see the image below ; similarly, a deep tumor abutting the mandible should have the nerve on its superficial surface. If the tumor lies in a plane inferior to the stylomastoid foramen, the nerve will probably lie on the superior surface of the tumor; likewise, if the tumor is high in the gland, the nerve may pass inferiorly. The primary goals of reconstruction are 1 to cover any raw gland surface remaining, 2 to restore normal facial contours, and 3 to provide coverage of the facial nerve and a reliable plane of dissection in the event that reoperation proves necessary. Positioning The patient is placed in the supine position with the head turned as far as possible away from the side of the operation.