The fourth ventricle was enlarged.
第四脑室扩大。
The tumors in fourth ventricle there were speciality of age.
四脑室区常见肿瘤具有年龄特征；
Objective To investigate the microsurgical treatment of the fourth ventricle tumors.
目的探讨第四脑室肿瘤的显微手术入路选择。
Purpose: To discuss the CT and MRI diagnostic value of tumor of the fourth ventricle.
前言： 目的：探讨四脑室区肿瘤的CT和MRI诊断价值。
In the fourth ventricle, differentiation by imaging characteristics is not as reliable.
位于四脑室内，通过影像特征来鉴别是不可靠的。
Objective To study operative approach of microsurgery for neoplasm of the fourth ventricle.
目的探讨第四脑室肿瘤显微手术的入路。
Objective To explore the MRI features and differential diagnosis of the fourth ventricle tumor.
目的探讨第四脑室肿瘤的MRI表现及鉴别诊断。
Objective To analyze surgical method and its therapeutic effect on tumor in the fourth ventricle.
目的分析总结第四脑室肿瘤的手术方法与治疗效果。
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。
Conclusions: Head MRI scans could improve diagnosis and microsurgery effect of the fourth ventricle tumors.
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。
Objective To evaluate the clinical effect of cerebellomedullary fissure approach to resect 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。
Conclusion MRI is the best choice and is superior to CT for the diagnosis of cerebral cysticercosis in the fourth ventricle.
结论MRI是诊断四脑室囊虫病的首选影像学检查方法，对四脑室囊虫的诊断mri优于CT。
Objective To explore the diagnostic value of magnetic resonance imaging (MRI) for cerebral cysticercosis in the fourth ventricle.
目的探讨磁共振成像(MRI)对四脑室囊虫病的诊断价值。
Here is an ependymoma arising from the ependymal lining of the fourth ventricle above the brainstem and bulging toward the cerebellum.
发生在脑干之上第四脑室室管膜的室管膜瘤。
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.
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；
Objective: To observe the dynamic morphological changes of the lateral recess of the fourth ventricle of mice during different periods of gestation.
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。
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.
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。
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 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).
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。
Conclusion the CT could obtain the accuracy diagnosis on the fourth cerebral ventricle tumor with accuracy, reliable and high differential rate.
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.
结论对于第四脑室肿瘤采用CT诊断准确、可靠、分辨率高。
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