Objective To improve accuracy of CT diagnosis of posterior fossa tumors.
目的提高颅后窝肿瘤CT诊断准确性。
Tumors in the posterior fossa are considered some of the most critical brain lesions.
后颅窝肿瘤是非常严重的病变。
Objective: To evaluate the diagnostic value of posterior fossa cyst with ct MR imaging.
目的：本文目的是对后颅窝囊肿的CT -MR影像学的诊断作用进行评价。
Purpose: To evaluate the value of MRI in diagnosis of posterior fossa tumors in children.
目的：探讨磁共振成像(MRI)对儿童颅后窝肿瘤的诊断价值。
Cystic cerebellar astrocytoma comprises about 33% of all posterior fossa tumors in children.
囊性星形细胞瘤占儿童后颅窝肿瘤的33%。
Objective To investigate the curative effect of craniotomy on posterior fossa epidural hematoma.
目的探讨骨瓣开颅术治疗后颅窝硬膜外血肿的效果。
Objective: to observe the effect of electric stimulation to posterior fossa in treating migraine.
目的：观察电刺激后颅窝对偏头痛的治疗效果。
The sitting position is most often used for neurosurgical procedures, especially in the posterior fossa.
坐位手术通常用于神经外科手术，特别是颅后窝手术。
Objective to study the diagnostic and therapeutic features of traumatic hematoma of the posterior fossa.
目的分析总结外伤性后颅窝血肿的诊断和治疗特点。
Objective to investigate the clinical feature and treatment of traumatic hematoma of the posterior fossa.
目的探讨创伤性后颅窝血肿的临床特点及救治方法。
Enlargement of posterior fossa with upward displacement of lateral sinuses, sinus confluens and tentorium.
后颅窝扩张伴有横窦、窦汇和小脑幕上移。
Objective: to improve the diagnosis and treatment of traumatic posterior fossa epidural hematoma in children.
目的：提高小儿外伤性后颅硬膜外血肿的诊断及治疗。
Image fusion was performed using thin slice scanning in the posterior fossa after the conventional CT scanning.
先行常规平扫，再行颅底薄层扫描后进行图像融合。
Methods a retrospective analysis of 34 patients with traumatic posterior fossa extradural hematoma was performed.
方法回顾性分析34例外伤性后颅窝硬膜外山肿的临床资料。
Conclusion CT and MRI can show obviously posterior fossa tumors according to their different location and features.
结论：后颅窝瘤有其好发部位，CT和MRI可清晰显示后颅窝肿瘤的不同特点。
Objective 33 cases of posterior fossa tumors were analyses with ct or MRI, value of imaging diagnoses were discussed.
目的：总结分析33例后颅窝肿瘤的CT或MRI特征，提高对后颅窝肿瘤的诊断价值。
It is important to recognise such variations before operations on the inner ear, middle ear and posterior fossa in children.
在外科手术前对内耳、中耳及后颅窝正常变异的了解是非常重要的。
Conclusion It is a safe and effective method by using the microsurgical technique to remove cholesteatoma in the posterior fossa.
结论采用显微手术治疗颅后窝胆脂瘤是一种安全、有效的方法。
Methods The clinical data of 20 patients, who received craniotomy for posterior fossa epidural hematoma, were analyzed retrospectively.
方法对20例骨瓣开颅术治疗后颅窝硬膜外血肿病人的临床资料进行回顾性分析。
Objective To discuss the influence of changing the Angle of cranial ct scan baseline on the artifacts of brain stem in posterior fossa.
目的：探讨调整颅脑CT扫描基线的角度对后颅窝脑干伪影严重程度的影响。
Objective to analyze the causes of scalp hydrops following operation on tumor in posterior fossa and discuss how to prevent and cure it.
目的分析后颅窝肿瘤术后皮下积液的原因，并探讨其防治措施。
Objective Research the formation, characteristic and treatment of delayed hematoma of the posterior fossa when operation of craniocerebral injury.
目的探讨颅脑损伤手术中迟发性后颅窝血肿形成原因，发病特征及有效治疗措施。
All of the reported CT hyperattenuating dermoids have occurred in the posterior fossa with no lesions ever having been identified supratentorially.
CT上高密度的皮样囊肿在所有的病例报道中都发生在后颅窝，幕上没有报道。
The differential for a posterior fossa mass in children includes juvenile pilocytic astrocytoma, medulloblastoma, ependymoma, and brainstem glioma.
儿童后颅窝肿块包括青少年毛细胞星形细胞瘤、室管膜瘤、髓母细胞瘤、脑干神经胶质瘤。
Most of the patients underwent supratentorial craniotomy (57; 72.2%), whereas 11 patients (13.9%) each underwent posterior fossa and spinal surgery.
患者中57例(72.2%)行幕上开颅术、11例(13.9%)行颅后窝和脊柱手术。
It is typically reserved for patients who have contraindications to CT with iodinated contrast, for detailed assessment of mediastinal pathology, and for posterior fossa brain metastases.
这种检查适用于CT禁忌症、需要对纵膈病变详细评估，以及判断大脑颅后窝是否有转移的患者。
The enlargement of CMS in the fetuses may be shown in physiologic enlargement of posterior fossa. ConclusionsCMS is a potential new marker for normal development of rhombencephalon.
CMS增大可见于小脑延髓池生理性增大。结论 CMS是菱脑发育正常的标志之一。
Suboccipital retrosibmoidal craniotomy with replacement of bone flap and deep muscle incision, suture in turn were used in patients to improve the operative effect of posterior fossa tumor.
获得后颅窝枕颈交界处肌肉、颅骨的正常解剖结构有关资料，为桥小脑角区肿瘤、小脑半球肿瘤的手术治疗提供更优化的手术入路。
Suboccipital retrosibmoidal craniotomy with replacement of bone flap and deep muscle incision, suture in turn were used in patients to improve the operative effect of posterior fossa tumor.
获得后颅窝枕颈交界处肌肉、颅骨的正常解剖结构有关资料，为桥小脑角区肿瘤、小脑半球肿瘤的手术治疗提供更优化的手术入路。
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