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.
发生在脑干之上第四脑室室管膜的室管膜瘤。
Here is an ependymoma arising from the ependymal lining of the fourth ventricle above the brainstem and bulging toward the cerebellum.
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.
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.
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.
目的：探讨妊娠不同时期小鼠第四脑室外侧隐窝室管膜的形态学变化。
Objective: To observe the dynamic morphological changes of the lateral recess of the fourth ventricle of mice during different periods of gestation.
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.
目的研究大鼠第三脑室壁和第四脑室底接触脑脊液神经元的形态及作用。
Objective To investigate the morphology and effect of CSF contacting neurons in the third ventricular wall and the fourth ventricular floor of rats.
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.
顶核最靠内侧，紧邻第四脑室顶的外侧和上蚓前部的内侧面，在中线两侧对称分布；
The nucleus fastigii was situated to the middle line at the anterior end of the superior vermis, and over the roof of the fourth ventricle.
目的：观察血管性痴呆（VD）小鼠第四脑室外侧隐窝与外侧孔之间室管膜游离面扫描电镜特征。
Objective: To study the scanning electron microscopic (SEM) characteristics of floor between lateral recess and lateral aperture of the fourth ventricle in the mice with vascular dementia (VD).
内侧径路经间脑室周、中脑中央灰质、第四脑室底、孤束核—迷走背核复合体、延髓与脊髓中央管周下行。
The other bundle from PVN, the medial, descends through diencephalic periventricular gray, periaqueductal gray, floor of ventricle IV, SVC and medullary-spinal central gray.
目的探讨经小脑延髓裂入路到达第四脑室的解剖研究，及在不切开下蚓部的情况下如何分离此裂隙以获得最佳的手术视野。
Objective To refine the transcerebellomedullary fissure approach to the fourth ventricle and dissect the fissure to obtain sufficient operative view without splitting the inferior vermis.
目的探讨经小脑延髓裂入路到达第四脑室的解剖研究，及在不切开下蚓部的情况下如何分离此裂隙以获得最佳的手术视野。
Objective To refine the transcerebellomedullary fissure approach to the fourth ventricle and dissect the fissure to obtain sufficient operative view without splitting the inferior vermis.
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