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首页> 外文期刊>Neurosurgery >Lateral Transzygomatic Approach to Sphenoid Wing Meningiomas
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Lateral Transzygomatic Approach to Sphenoid Wing Meningiomas

机译:侧翼转go入方法蝶骨翼脑膜瘤

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摘要

Sphenoid wing meningiomas are slow-growing, well-circumscribed, and histologically benign lesions. The recurrence rate is low if removed completely at the time of surgery. Adequate surgical exposure with minimal morbidity is a challenge for those treating these lateral skull base lesions.OBJECTIVE: To describe our experience with the lateral tranzygomatic approach for resection of sphenoid wing meningioms in which the entire zygoma is mobilized and remains vascularized by masseter muscle attachments.METHODS: A retrospective review of the records of 19 patients who underwent sphenoid wing meningioma resection via a lateral transzygomatic approach between 1997 and 2007 was performed. A confirmatory cadaver dissection was performed to illustrate the anatomic nature of the technique. To achieve maximal exposure and minimal brain retraction, a lateral transzygomatic approach with osteotomies of the entire zygoma, which remains pedicled on the masseter muscle, was used. RESULTS: Nineteen patients with sphenoid wing meningioma underwent resection via a lateral transzygomatic approach. Complete resection of the meningioma was achieved in 17 cases. Morbidity consisted of temporary frontal nerve weakness (57.9%), mild to moderate temporalis atrophy (36.8%), and diplopia (15.8%). There were no cases of wound infection, bone malunion, or resorption. A mean follow-up period of 33.1 months (range, 2-71 months) revealed no recurrences after surgery as demonstrated by computed tomography or magnetic resonance imaging.CONCLUSION: The lateral transzygomatic approach to the sphenoid wing can be performed safely with minimal morbidity and facilitates complete resection of the tumor. Complete removal at an early stage is the best prognostic factor in treating sphenoid wing meningioma. This approach belongs in the armamentarium of surgeons who are involved in the resection of skull base neoplasms.
机译:蝶状翼脑膜瘤生长缓慢,界限分明且在组织学上良性病变。如果在手术时完全切除,则复发率很低。目的:描述外科our蝶侧脑膜瘤的切除方法,该方法可动员整个is骨瘤,并通过咬肌的附着使血管保持血管化。方法:回顾性分析1997年至2007年间经侧向trans骨入路切除蝶状翼脑膜瘤的19例患者的病历。进行了尸体解剖,以说明该技术的解剖学性质。为了获得最大的暴露量和最小的大脑回缩,使用了侧向转zy入法,对整个zy骨瘤进行截骨术,该方法是蒂化在咬肌上。结果:19例蝶状翼脑膜瘤患者通过侧向转zy入路切除。脑膜瘤完全切除17例。发病率包括暂时性额神经无力(57.9%),轻度至中度颞叶萎缩(36.8%)和复视(15.8%)。没有伤口感染,骨畸形或吸收的病例。平均随访时间为33.1个月(范围为2-71个月),显示计算机断层扫描或磁共振成像显示无手术后复发。结论:蝶骨翼的侧向转zy入法可以安全地进行,发病率最低,促进肿瘤的完全切除。早期完全切除是治疗蝶状翼脑膜瘤的最佳预后因素。这种方法属于参与颅底肿瘤切除术的外科医生的武器库。

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