![Accuracy of Free-Hand Pedicle Screws in the Thoracic and Lumbar Spine: Analysis of 6816 Consecutive Screws | Semantic Scholar Accuracy of Free-Hand Pedicle Screws in the Thoracic and Lumbar Spine: Analysis of 6816 Consecutive Screws | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/7ddc4a15a50e7203a1b1cd59f8d01f12136a313e/4-Figure3-1.png)
Accuracy of Free-Hand Pedicle Screws in the Thoracic and Lumbar Spine: Analysis of 6816 Consecutive Screws | Semantic Scholar
![Illustration showing anterolateral S1 screw malposition bilaterally.... | Download Scientific Diagram Illustration showing anterolateral S1 screw malposition bilaterally.... | Download Scientific Diagram](https://www.researchgate.net/publication/339749459/figure/fig3/AS:866630687006721@1583632265794/Illustration-showing-anterolateral-S1-screw-malposition-bilaterally-Right-S1-screw-is.png)
Illustration showing anterolateral S1 screw malposition bilaterally.... | Download Scientific Diagram
![The study of distance changes between lumbar bi-cortical pedicle screws and anterior large vessels in patients with lumbar spondylolisthesis | BMC Musculoskeletal Disorders | Full Text The study of distance changes between lumbar bi-cortical pedicle screws and anterior large vessels in patients with lumbar spondylolisthesis | BMC Musculoskeletal Disorders | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs12891-021-04811-7/MediaObjects/12891_2021_4811_Fig1_HTML.png)
The study of distance changes between lumbar bi-cortical pedicle screws and anterior large vessels in patients with lumbar spondylolisthesis | BMC Musculoskeletal Disorders | Full Text
![PDF] Biomechanical Comparison of Same Size Transfacet Screws Versus Pedicle Screws Across the L5-S1 Native Disc | Semantic Scholar PDF] Biomechanical Comparison of Same Size Transfacet Screws Versus Pedicle Screws Across the L5-S1 Native Disc | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/44e5b2f0632700c64e30dc4ec3ef80fd98327262/3-Figure2-1.png)
PDF] Biomechanical Comparison of Same Size Transfacet Screws Versus Pedicle Screws Across the L5-S1 Native Disc | Semantic Scholar
![Pedicle screw stacking: A technical note on instrumentation of lumbar spine with a broken pedicle screw - ScienceDirect Pedicle screw stacking: A technical note on instrumentation of lumbar spine with a broken pedicle screw - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S2214751920304540-gr6.jpg)
Pedicle screw stacking: A technical note on instrumentation of lumbar spine with a broken pedicle screw - ScienceDirect
![Free-hand placement of iliac screws for spinopelvic fixation based on anatomical landmarks: technical note | International Journal of Spine Surgery Free-hand placement of iliac screws for spinopelvic fixation based on anatomical landmarks: technical note | International Journal of Spine Surgery](https://www.ijssurgery.com/content/ijss/8/3/F1.large.jpg)
Free-hand placement of iliac screws for spinopelvic fixation based on anatomical landmarks: technical note | International Journal of Spine Surgery
![To avoid complications leading to failure of S1 pedicle screws, multiple solutions for load-sharing have been used, including bilateral iliac screw fixation and interbody fusion. Interbody graft placement increases compression stiffness and To avoid complications leading to failure of S1 pedicle screws, multiple solutions for load-sharing have been used, including bilateral iliac screw fixation and interbody fusion. Interbody graft placement increases compression stiffness and](https://bizimages.withfloats.com/actual/5f74241d58b260000140f9eb.jpg)
To avoid complications leading to failure of S1 pedicle screws, multiple solutions for load-sharing have been used, including bilateral iliac screw fixation and interbody fusion. Interbody graft placement increases compression stiffness and
![The result of S1 double screw fixation in patients not suited for L4 and/or L5 pedicle screw insertion | SpringerLink The result of S1 double screw fixation in patients not suited for L4 and/or L5 pedicle screw insertion | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs00701-013-1954-z/MediaObjects/701_2013_1954_Fig2_HTML.gif)
The result of S1 double screw fixation in patients not suited for L4 and/or L5 pedicle screw insertion | SpringerLink
![L5 nerve root injury caused by anterolateral malpositioning of loosened S1 pedicle screws: illustrative cases in: Journal of Neurosurgery: Case Lessons Volume 1 Issue 25 (2021) Journals L5 nerve root injury caused by anterolateral malpositioning of loosened S1 pedicle screws: illustrative cases in: Journal of Neurosurgery: Case Lessons Volume 1 Issue 25 (2021) Journals](https://thejns.org/caselessons/view/journals/j-neurosurg-case-lessons/1/25/full-CASE21207f4.jpg)
L5 nerve root injury caused by anterolateral malpositioning of loosened S1 pedicle screws: illustrative cases in: Journal of Neurosurgery: Case Lessons Volume 1 Issue 25 (2021) Journals
![Cureus | Thoracolumbar Cortical Screw Placement with Interbody Fusion: Technique and Considerations | Article Cureus | Thoracolumbar Cortical Screw Placement with Interbody Fusion: Technique and Considerations | Article](https://assets.cureus.com/uploads/figure/file/15720/b437bbb04b1411e7a7f3192027680eaf-Figure-1.jpg)
Cureus | Thoracolumbar Cortical Screw Placement with Interbody Fusion: Technique and Considerations | Article
![Traumatic dislocation of the S1 polyaxial pedicle screw head: a case report - Du Plessis - Journal of Spine Surgery Traumatic dislocation of the S1 polyaxial pedicle screw head: a case report - Du Plessis - Journal of Spine Surgery](https://cdn.amegroups.cn/journals/jss/files/journals/24/articles/3732/public/3732-PB5-R1.png/w300)