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This analysis compares screw paths in the pelvis, revealing better alignment with anatomical corridors.
Although the PRA allows good visualization of the posterior column screw entry point, it presents limitations in achieving optimal sagittal and coronal insertion angles due to the anatomical constraints of the abdomen and surrounding structures. In contrast, the LW approach demonstrated a screw trajectory that more closely aligns with the ideal anatomical corridor.
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Sohn et al. (2026) studied this question.
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