Article Figures & Data
Figures
- Figure 1
X-ray images of the lumbar spine in anterior/posterior (A/P) (A), lateral flexion (B), and extension (C) views were taken for this 79-year-old woman who presented with progressive low back pain, as well as bilateral lower limb weakness and numbness over the years. There is evidence of reduced intervertebral disc spaces and spondylolisthesis at L4 on L5 with a Meyerding classification grade of II.
- Figure 2
Preoperative magnetic resonance imaging. (A) A sagittal T2 image shows severe compression of the dural sac at the L4/L5 level. (B) An axial T2 image demonstrates severe compression of the dural sac at the L4/L5 level, with ligamentum flavum hypertrophy and bilateral facet fluid sign. (C) A sagittal T2 image reveals severe right-sided foraminal stenosis at the L4/L5 level. (D) A sagittal T2 image shows the left-sided foramen without stenosis.
- Figure 3
The Single Beak Adjustable Cage Glider features a cylindrical body with a tapered, beak-shaped tip. This tip delicately directs and maintains the nerve root away from the surgical site while positioning the interbody cage, thereby reducing the risk of nerve injury.
- Figure 4
Intraoperative fluoroscopic images and views of the full endoscopic Kambin’s triangle lumbar interbody fusion approach. (A) Pedicle screw fixation and rod placement were performed first to restore sagittal alignment and facilitate indirect decompression of the spinal canal. (B) An intraoperative fluoroscopic image shows the advancement of the Single Beak Adjustable Cage Glider into the disc space after cannula removal. (C and D) Intraoperative fluoroscopic images demonstrate the placement of the cage trial and the oblique lateral interbody fusion (OLIF) cage. (E) Direct visualization of the OLIF cage via the endoscope. (F, G, and H) The integrity of the exiting nerve root is confirmed after the removal of the cage glider. (I and J) Intraoperative fluoroscopic images display the final position of the screw-rod construct and cage placement. (K) Photograph of the patient’s surgical wounds.
- Figure 5
At the 2-week follow-up, the patient demonstrated independent ambulation without the use of assistive devices.
- Figure 6
Postoperative anteroposterior (A) and lateral (B) radiographs show restoration of the sagittal alignment and the height of the L4/L5 disc. Postoperative computed tomography images demonstrate restoration of sagittal alignment and disc height in the sagittal view (C) and illustrate the cage insertion trajectory in the axial view (D), which reflects the reverse trajectory of the oblique lateral interbody fusion cage insertion.
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