Abstract
We simulated the trajectory for an L5/S1 percutaneous endoscopic transforaminal discectomy (PETD) to guide decision-making for the surgery approach. Twenty-three patients with L5/S1 lumbar disc herniation were included in the study. The patients all underwent thin-section computed tomography scans, after which data were collected for 3-dimensional reconstruction. Simulations of the trajectory for the L5/S1 PETDs were generated and the hindrance of surrounding anatomic structures was evaluated. Preoperative simulation showed that 14 patients were considered suitable for lumbar PETD. Nine patients were not considered suitable for PETD surgery according to the simulation. Factors affecting the trajectory included high iliac crest in 5 patients, L5 transverse process in 3 patients, and hypertrophic L5-S1 facet joint in 1 patient. Preoperative simulation of the trajectory for L5/S1 PETD was helpful in the decision-making for the surgical approach.
Published Version
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