skull base造句

Objective To explore the clinical characteristics and treatment of patients with chordomas in the skull base.

Most chordomas are found at skull base, sacrum and cervical spine.

To study the related anatomy of a glenoid fossa approach -one of surgical approaches to the lateral skull base .

Methods Microneurosurgical operation supported by the imaging navigation system was applied in 5 patients of skull base ossifying fibroma.

Independently significant prognostic factors for local recurrence were paranasal sinus involvement, skull base erosion, parapharyngeal infiltration and intracranial involvement.

Objective To evaluate the clinical value of image navigation in the operation of skull base ossifying fibroma.

Conclusion: MRI to diagnosis between the skull base source benign tumor and lump kind pathological changes value having certainly, can proceed the accurate fixed position diagnosis particularly.

MRI is more sensitive than ct in detecting the skull base encroachment. MRI could reveal the early infiltration of the bone marrow and tumor infiltration along the mandibular nerve.

The length of lines linking root of styloid to the structures under lateral skull base and asterion to the structures in posterior cranial fossa and the angles between these lines and median vector were measured in 40 cranium.

These tumors can remodel the temporal bone and extend into the posterior cranial fossa, possibly producing mass effect on the brainstem and cerebellum. Some tumors may extend below the skull base.

Method:58 cases with tumors of lateral skull bases and parapharyngeal infratemporal area and undergoing surgical removal were reported .