Objective: To establish a digital model for reconstruction and three-dimensional visualization of upper cervical spinal motion segment from ct images.
目的：寻求连续CT断层图像重建上颈椎运动节段数字模型及三维可视化的方法。
The left cervical incision was perfoimed for cervical esophageal carcinoma and partial cervicosternotomy was performed for lesion in the upper thoracic segment.
病变位于颈段者采用左侧颈部切口，位于上胸段者行颈胸骨部分劈开切口。
The left cervical incision was perfoimed for cervical esophageal carcinoma and partial cervicosternotomy was performed for lesion in the upper thoracic segment.
病变位于颈段者采用左侧颈部切口，位于上胸段者行颈胸骨部分劈开切口。
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