鼓室内面神经鞘膜瘤

Facial schwannoma in tympanic cavity

目的 探讨面神经肿瘤的早期诊断和手术时面神经功能的保留和恢复。方法 报道3例原发面神经水平段的鼓室内面神经瘤的临床表现、影像学特点及治疗。结果 经乳突入路3例患者均彻底切除肿瘤。切除肿瘤后,2例保留了面神经。1例进行了面神经移植术,术后功能为Ⅲ级。结论 结合病史,及早进行CT及MRI检查可以早期诊断面神经瘤,切除面神经瘤后,保留面神经纤维或及时移植神经可较好的恢复面神经的功能。

Objective: To study the early diagnosis of facial schwannoma and the preservation of the facial nerve function during operation. Methods: The clinical manifestation, imaging features and treatment of 3 cases of primary facial schwannoma in tympanic cavity were reported. Results: Three of schwannoma facial were removed completely and the facial nerve were remained, intact in 2cases, the facial nerve was grafted in one case and the function of the facial nerve was Brackmann Ⅲ grade 2 years after surgery. Conclusions: The facial schwannoma in tympanic cavity can be removed by trans mastoid surgery operation, the facial nerve function remained better in cases with preserved facial nerve.