The authors report a retrospective study of 351 parotidectomies observed during a 28 years period. The average follow-up is 28 months. Preoperative and post-operative facial nerve function, type of parotidectomy, surgical management of facial nerve and histologic diagnosis according to the revised WHO classification (1990) are presented. Type of parotidectomy and degree of tumor malignancy are statistically analyzed. It seems that occurrence of post-operative facial nerve dysfunction depends on radical parotidectomy, whereas long term dysfunction is determined by tumor malignancy. Malignant epithelial tumors of the major salivary glands proved to be radiosensitive. Apart from preoperative dysfunction, clinical involvement and impossible facial nerve dissection, the authors insist upon sparing the facial nerve, event in the case of microscopic residual tumors, and prefer postoperative radiotherapy.
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