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Korean Journal of Head & Neck Oncology 2008;24(1):9-14.
Published online May 30, 2008.
Surgical Dilemma of Facial Nerve Invasion
Young Soo Rho
안면신경 침범시의 수술적 처치
노영수
Abstract
The most important concern to do parotidectomy is correct identification of the facial nerve and preservation of the nerve function. Many descriptions for the localization and branching types of the facial nerve trunk have existed. During the parotid surgery, it is necessary to have knowledges about the incidence and prognostic aspect of a invasion of the facial nerve by the parotid tumors. The method of the dissection and the surgical extent of the parotid gland would be decided not only by the anatomic variation of the facial nerve. but also the size and location of the tumor. Invasion of the facial nerve in parotid malignancies is the most significant factors affecting the prognosis, so radical parotidectomy which consists of the total extirpation of the parotid gland in conjunction with resection of the facial nerve is often required for proper management. Radical parotidectomy is advocated for the surgical treat-ment of high grade malignancies and in selective recurrent benign tumors intimately involving the facial nerve. Unfortunately, the morphologic and functional deficits created by sacrificing the facial nerve can be emotionally and physically traumatizing to the patient. Therefore, when the facial nerve is sacrificed, immediate reconstruction of the facial nerve should be necessary. Immediate nerve repair with direct anastomosis of the resected nerve ends or placement of a cable nerve graft provides the better cosmetic and functional results. Surgical resection remains the mainstay of treatment for cancer of the parotid gland, and there is general agree-ment that facial nerve should not be sacrificed unless the tumor is adherent to, or surrounds the nerve. The following statement is described general principles of troublesome management of the facial nerve during surgery for parotid tumor.
Key Words: Facial nerve, Invasion, Surgery
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