目的探讨第四脑室肿瘤显微手术的入路。
Objective To study operative approach of microsurgery for neoplasm of the fourth ventricle.
目的提高儿童第四脑室肿瘤的手术效果。
Objective To improve the surgical result in pediatric patients with 4th ventricle tumor.
目的：提高儿童第四脑室肿瘤的手术效果。
Aim: To improve the surgical result in pediatric patients with 4th ventricle tumor.
目的探讨第四脑室肿瘤的显微手术入路选择。
Objective To investigate the microsurgical treatment of the fourth ventricle tumors.
目的提高儿童第四脑室肿瘤的手术治疗效果。
Objective To improve the surgery for 4th ventricle tumor in child patients.
目的探讨第四脑室肿瘤的MRI表现及鉴别诊断。
Objective To explore the MRI features and differential diagnosis of the fourth ventricle tumor.
目的分析总结第四脑室肿瘤的手术方法与治疗效果。
Objective To analyze surgical method and its therapeutic effect on tumor in the fourth ventricle.
目的探讨第四脑室肿瘤影像诊断价值及CT扫描所见。
结论MRI对第四脑室肿瘤的诊断及鉴别诊断具有重要价值。
Conclusions the MRI features of the fourth ventricular tumor could help to make the true diagnosis.
结论对于第四脑室肿瘤采用CT诊断准确、可靠、分辨率高。
Conclusion the CT could obtain the accuracy diagnosis on the fourth cerebral ventricle tumor with accuracy, reliable and high differential rate.
结论：儿童第四脑室肿瘤以髓母细胞瘤最多见，其次为室管膜瘤。
CONCLUSION: Medulloblastoma accounts for the main part of the fourth ventricular tumors in children while the second commonly seen tumor is ependymoma.
结论：头颅MRI检查可提高第四脑室肿瘤的诊断水平和显微手术质量。
Conclusions: Head MRI scans could improve diagnosis and microsurgery effect of the fourth ventricle tumors.
目的报道经小脑延髓裂入路显微外科手术切除儿童第四脑室肿瘤的临床疗效。
Objective To evaluate the clinical effect of cerebellomedullary fissure approach to resect the fourth ventricle tumors.
发生在脑干之上第四脑室室管膜的室管膜瘤。组织学上，室管膜瘤是良性肿瘤。
Here is an ependymoma arising from the ependymal lining of the fourth ventricle above the brainstem and bulging toward the cerebellum. Ependymomas are benign histologically.
目的探讨第四脑室区肿瘤的磁共振成像(MR I)诊断价值。
Objective To evaluate diagnostic value of MRI in detecting the fourth ventricular tumors.
结果：肿瘤位于小脑半球8例，小脑蚓部5例，第四脑室10例。
Results: 8 cases located in cerebellar hemisphere, 5 cases in vermis, 10 cases in fourth ventricle.
结果：肿瘤位于小脑半球8例，小脑蚓部5例，第四脑室10例。
Results: 8 cases located in cerebellar hemisphere, 5 cases in vermis, 10 cases in fourth ventricle.
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