Fig. 1From: RETRACTED ARTICLE: Percutaneous pedicle screw fixation combined with selective transforaminal endoscopic decompression for the treatment of thoracolumbar burst fractureThe distal end of the cannula was extended to the median part of the spinal canal (b), and the cannula tip reached the posterior-superior end of the lower vertebra (a), as visualized by C-arm fluoroscopy. The remaining fracture fragments in the spinal canal can be seen under the transforaminal endoscope (c, d)Back to article page