后颅窝肿瘤是非常严重的病变。
Tumors in the posterior fossa are considered some of the most critical brain lesions.
目的讨论前颅窝骨折的诊断和治疗。
Objective To study the diagnosis and treatment of anterior cranial fossa fracture.
扩大中颅窝经岩前入路。
后颅窝扩张伴有横窦、窦汇和小脑幕上移。
Enlargement of posterior fossa with upward displacement of lateral sinuses, sinus confluens and tentorium.
囊性星形细胞瘤占儿童后颅窝肿瘤的33%。
Cystic cerebellar astrocytoma comprises about 33% of all posterior fossa tumors in children.
目的探讨前颅窝骨折并发鼻出血的诊断和治疗。
Objective To study the diagnosis and treatment of anterior fossa fracture combined with nosebleed.
结果：病灶多位于鞍区和后颅窝的桥小脑角区。
Results :located in the cerebellopontine angle and saddle area were more.
目的：观察电刺激后颅窝对偏头痛的治疗效果。
Objective: to observe the effect of electric stimulation to posterior fossa in treating migraine.
目的探讨骨瓣开颅术治疗后颅窝硬膜外血肿的效果。
Objective To investigate the curative effect of craniotomy on posterior fossa epidural hematoma.
目的分析总结外伤性后颅窝血肿的诊断和治疗特点。
Objective to study the diagnostic and therapeutic features 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。
Objective to investigate the clinical feature and treatment of traumatic hematoma of the posterior fossa.
目的探讨和评价切除前颅窝底脑膜瘤的最佳手术入路。
Objective The best operative approach was inquired and assessed for removal of meningiomas in base of anterior cranial fossa.
本研究拟探讨后颅窝颅神经鞘瘤的MRI表现及特征。
This study was to explore MRI performances and features of schwannomas from cranial nerves in posterior cranial fossae.
目的探讨鼻内窥镜下经前颅底进行前颅窝手术的可能性。
Objective To explore the possibility of performing anterior cranial fossa surgery by an intranasal endoscope via the anterior skull base.
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。
Methods a retrospective analysis of 34 patients with traumatic posterior fossa extradural hematoma was performed.
目的提高对跨中、后颅窝轴外肿瘤及肿瘤样病变的影像学认识。
Objective: to study the imaging features of extra-axial tumors and tumor-like lesions involving both middle and posterior cranial fossae and to make a classification.
目的：探讨伽玛刀对侵袭前中颅窝底颅外恶性肿瘤的治疗效果。
Objective: To explore the therapeutic efficacy of Gamma knife on the extracranial malignant tumors invading the base of anterior-middle cranial fossa.
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 to analyze the causes of scalp hydrops following operation on tumor in posterior fossa and discuss how to prevent and cure it.
方法16例跨中后颅窝的巨大表皮样囊肿采用显微外科手术切除。
Methods 16 cases with giant communicating epidermoid cysts at the middle and posterior cranial fossa were operated on with microsurgical techniques.
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。
It is important to recognise such variations before operations on the inner ear, middle ear and posterior fossa in children.
目的探讨后颅窝肿瘤术后小脑性缄默的发生与相关危险因素的关系。
Objective to evaluate the relationship between the cerebellar mutism and risk factors.
目的对15例骑跨中后颅窝底脑肿瘤的手术入路及治疗经验进行总结。
Objective To summarize the operative experience of 15 cases with communicating tumors at the middle and posterior cranial fossa.
结论：MRI是后颅窝神经鞘瘤定性诊断和确定颅神经起源的良好方法。
CONCLUSION: MRI is a good method in qualitative diagnosis of schwannoma and identifying cranial nerves of tumor origin in posterior cranial fossae.
方法：回顾性分析病理证实37例累及前颅窝底肿瘤，比较其影像学特点。
Methods: 37 cases of tumor involving anterior skull base proved by pathology were retrospectively analyzed about their radiological features.
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 discuss the influence of changing the Angle of cranial ct scan baseline on the artifacts of brain stem in posterior fossa.
目的对经中颅窝入路小脑脑桥角区的显露程度及其损伤程度进行定量综合评价。
Objective To evaluate comprehensively the exposure and damage to the cerebellopontine angle region by the middle cranial fossa approach.
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。
Objective Research the formation, characteristic and treatment of delayed hematoma of the posterior fossa when operation of craniocerebral injury.
增强扫描清楚的显示病变在鼻腔内的延伸并且侵犯蝶窦和前颅窝（图4，红箭）。
Contrast clearly demonstrates the extent of the lesion within the nasal cavity and invasion of the ethmoidal sinus and anterior cranial fossa (red arrow in Figure 4).
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。
Methods The clinical data of 20 patients, who received craniotomy for posterior fossa epidural hematoma, were analyzed retrospectively.
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。
Conclusion CT and MRI can show obviously posterior fossa tumors according to their different location and features.
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