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  • Title: [Clinical experience in facial nerve tumors: a review of 27 cases].
    Author: Zhang F, Wang Y, Dai C, Chi F, Zhou L, Chen B, Li H.
    Journal: Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi; 2010 Jan; 24(1):4-7. PubMed ID: 20235447.
    Abstract:
    OBJECTIVE: To analyze the clinical manifestations and the diagnosis of the facial nerve tumor according to the clinical information, and evaluate the different surgical approaches depending on tumor location. METHOD: Twenty-seven cases of facial nerve tumors with general clinical informations available from 1999.9 to 2006.12 in the Shanghai EENT Hospital were reviewed retrospectively. RESULT: Twenty (74.1%) schwannomas, 4 (14.8%) neurofibromas ,and 3 (11.1%) hemangiomas were identified with histopathology postoperatively. During the course of the disease, 23 patients (85.2%) suffered facial paralysis, both hearing loss and tinnitus affected 11 (40.7%) cases, 5 (18.5%) manifested infra-auricular mass and the others showed some of otalgia or vertigo or ear fullness or facial numbness/twitches. CT or/and MRI results in 24 cases indicated that the tumors originated from the facial nerve. Intra-operative findings showed that 24 (88.9%) cases involved no less than 2 segments of the facial nerve, of these 24 cases 87.5% (21/24) involved the mastoid portion, 70.8% (17/24) involved the tympanic portion, 62.5% (15/24) involved the geniculate ganglion, only 4.2% (1/24) involved the internal acoustic canal (IAC), and 3 cases (11.1%) had only one segments involved. In all of these 27 cases, the tumors were completely excised, of which 13 were resected followed by an immediate facial nerve reconstruction, including 11 sural nerve cable graft, 1 facial nerve end-to-end anastomosis and 1 hypoglossal-facial nerve end-to-end anastomosis. Tumors were removed with preservation of facial nerve continuity in 2 cases. CONCLUSION: Facial nerve tumor is a rare and benign lesion, and has numerous clinical manifestations. CT and MRI can help surgeons to make a right diagnosis preoperatively. When and how to give the patients an operation depends on the patients individually.
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