Transpedicular screw的用法和样例：
例句
- Osteoporosis is often cited as a contraindication for pedicle screw fixation.
骨质疏松一直被列为椎弓根螺钉固定的禁忌症。 - For thoracic screw placement, a mini-laminotomy technique was used, inserting a spatula inside the ertebral canal to palpate the borders of the pedicle.
在胸椎椎弓根螺钉置入中，应用了小的椎板切开技术，通过刮勺在椎管中探查椎弓根边缘。
