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Related Experiment Video

Updated: Jul 12, 2026

Prone Lateral Minimally Invasive Retropleural Corpectomy Using a Rotatable Radiolucent Jackson Table
04:57

Prone Lateral Minimally Invasive Retropleural Corpectomy Using a Rotatable Radiolucent Jackson Table

Published on: July 3, 2025

Controlled cervical extension osteotomy for ankylosing spondylitis utilizing the Jackson operating table: technical

Kingsley R Chin1, Jaimo Ahn

  • 1Department of Orthopaedic Surgery, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA. kingsleychin@hotmail.com

Spine
|September 1, 2007
PubMed
Summary

Related Concept Videos

Articulations of the Vertebral Column01:28

Articulations of the Vertebral Column

In addition to being held together by the intervertebral discs, adjacent vertebrae also articulate with each other at synovial joints formed between the superior and inferior articular processes called zygapophysial joints (facet joints). These are plane joints that provide for only limited motions between the vertebrae. The orientation of the articular processes at these joints varies in different regions of the vertebral column and serves to determine the types of motions available in each...

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This technical note demonstrates a controlled extension osteotomy technique for correcting severe chin-on-chest deformity in ankylosing spondylitis patients. The prone positioning and specialized operating table mechanism enhance safety and fusion potential.

Area of Science:

  • Neurosurgery
  • Orthopedic Surgery
  • Spinal Deformity Correction

Background:

  • Ankylosing spondylitis can cause severe chin-on-chest deformity, posing risks during correction.
  • Previous methods for correcting this deformity carry risks of catastrophic cord injury, quadriplegia, and death.
  • Manual control of spinal motion during osteotomy is challenging and anxiety-provoking.

Observation:

  • A novel technique using a controlled extension osteotomy in the prone position was applied.
  • A Jackson operating table with a head elevator mechanism and Mayfield tongs was utilized.
  • A posterior C7 pedicle subtraction osteotomy was performed on a patient with ankylosing spondylitis and severe deformity.

Findings:

  • The cervicothoracic junction was extended by over 30 degrees in controlled increments using the operating table mechanism.

Related Experiment Videos

Last Updated: Jul 12, 2026

Prone Lateral Minimally Invasive Retropleural Corpectomy Using a Rotatable Radiolucent Jackson Table
04:57

Prone Lateral Minimally Invasive Retropleural Corpectomy Using a Rotatable Radiolucent Jackson Table

Published on: July 3, 2025

  • This technique, combined with a closing-wedge osteotomy, reduced the risk of translation and air embolus.
  • The controlled stability facilitated successful instrumented fusion.

    • Implications:

    • This technique offers a safer approach to correcting severe chin-on-chest deformity in ankylosing spondylitis.
    • The use of the operating table mechanism enhances control and potentially improves fusion rates.
    • This method may reduce the neurological risks associated with correcting this debilitating deformity.