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  • Title: [Intra-parotid neurofibroma of the facial nerve].
    Author: Jund R, Nerlich A, Hagedorn H, Issing WJ.
    Journal: Laryngorhinootologie; 1998 Dec; 77(12):719-22. PubMed ID: 10036676.
    Abstract:
    BACKGROUND: Solitary intraparotid facial neurofibromas are extremely rare. These tumours arise from Schwann cells, in most cases as a manifestation of neurofibromatosis. In an intraparotid localisation, they can mimic other parotideal tumours. Due to their slow growth, they may be clinically inapparent for a long time. CASE REPORT: We present the case of a patient with a right intraparotid neurofibroma originating from the facial nerve. He noted a slight facial weakness for the last three years and dullness over the preauricular area. On operation, all facial nerve branches were incorporated in the tumour mass. A total resection via monitoring technique of facial nerve function was performed. Postoperatively, the patient suffered from an incomplete facial palsy. CONCLUSION: This case highlights particularly the importance of a concise diagnostic work-up of every facial palsy. Precise histological diagnosis is particularly essential because of the different biological behaviour of neurofibromas in contrast to neurinomas. With preoperative facial palsy the chance of facial nerve preservation decreases. Clinical and operative experience with parotid gland neurofibromas shows that recovery of facial nerve defects is mostly incomplete.
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