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目的探讨镰幕结合处脑膜瘤的临床特点、影像学表现和显微外科手术注意事项。方法回顾分析１４例镰幕结合处脑膜瘤患者的临床资料。所有患者术前均进行了ＣＴ检查，１０例患者同时进行了ＤＳＡ检查，６例行ＭＲＩ检查，２例行ＭＲＡ检查。１０例行枕下经小脑幕入路，其中７例为病灶侧向上，３例为病灶侧向下，３／４俯卧位；３例行幕下小脑上入路，１例行侧脑室后部入路。结果１４例中，肿瘤全切除１２例，近全切除２例。术后发生脑内血肿２例，肿瘤残腔血肿１例，２例行血肿清除。平均随访４５年，全部患者恢复正常工作和学习，１例有永久性同向偏盲，１例有滑车神经麻痹。结论镰幕结合处脑膜瘤是一种可手术治疗的肿瘤。
Objective To investigate the clinical features, imaging findings and precautions of microsurgery for meningioma at the junction of sickle and palate. Methods The clinical data of 14 patients with meningiomas with sickle - curtain junction were retrospectively analyzed. All patients underwent CT examination before operation. Ten patients underwent simultaneous DSA examination, six patients underwent MRI examination and two patients underwent MRA examination. 10 cases of suboccipital transimnubular approach, of which 7 cases of lateral lesions, 3 cases of lateral lesions, 3/4 prone position; 3 cases under the screen into the cerebellum, 1 cases of lateral ventricle into the rear road. Results In 14 cases, 12 cases were completely resected and 2 cases were treated by near total resection. Postoperative intracerebral hematoma in 2 cases, 1 case of residual tumor of the tumor, 2 cases of hematoma removal. After an average follow-up of 4.5 years, all patients returned to normal work and study. One case had permanent hemifacial anomalies and one case had trochlear nerve paralysis. Conclusion Sick Menopause Meningioma is a surgically-treatable tumor.