方法：术中X线透视证实髓核钳尖端位于L3椎体前方，提示该异物可能在血管内移动。
Methods. Intraoperative fluoroscopy confirmed the presence of the tip anterior to the L3 vertebral body, indicating a possible intravascular migration of the foreign body.
方法：术中X线透视证实髓核钳尖端位于L3椎体前方，提示该异物可能在血管内移动。
Methods. Intraoperative fluoroscopy confirmed the presence of the tip anterior to the L3 vertebral body, indicating a possible intravascular migration of the foreign body.
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