Purpose: To investigate the advantages and the applications of CT fluoroscopy.
目的：探讨CT透视的优点及其在介入放射学中的应用。
Objective To evaluate the feasibility and accuracy of cervical spine pedicle screw fixation assisted by X-ray fluoroscopy and CT-based navigation system.
目的对X线透视下和计算机导航系统引导下颈椎椎弓根螺钉内固定的精确性进行对比研究。
Method: To study the mass or nodular of lung which make percutaneous lung biopsy by CT fluoroscopy, follow up their pathological diagnosis and surgical results.
方法：探讨肺部团块状、结节样病变在CT导向下经皮肺穿刺活检技术，并追踪随访其病理及手术结果。
Methods Multispiral CT fluoroscopy-guided transthoracic needle biopsy were performed on 22 patients in which the pulmonary nodules were not confirmed by clinical and imaging diagnoses.
方法：22例未经病理或影像确诊的肺结节行多层螺旋CT透视导引下穿刺活检。
Methods 159 pedicle screws inserted by CT-based navigation system and 145 cervical (C2-C7) pedicle screws inserted by X-ray fluoroscopy were observed by postoperative CT scan.
方法总结CT三维导航系统辅助下置入的159枚颈椎（C2-7）椎弓根螺钉，术后进行经椎弓根螺钉水平的CT平扫，观察椎弓根螺钉置入的精确性。
Methods 159 pedicle screws inserted by CT-based navigation system and 145 cervical (C2-C7) pedicle screws inserted by X-ray fluoroscopy were observed by postoperative CT scan.
方法总结CT三维导航系统辅助下置入的159枚颈椎（C2-7）椎弓根螺钉，术后进行经椎弓根螺钉水平的CT平扫，观察椎弓根螺钉置入的精确性。
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