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Kyphosis Deformity Correction Surgery - Pt. B.Cherukuri

18 Oct 2020
Rare case of Andersson Lesion (T8/9) in Ankylosing Spondylitis causing Kyphotic Deformity .

46 yrs old lady presented with progressive kyphotic deformity ( Hunch back ) due to her condition of Ankylosing Spondylitis.

Her quality of life was drastically reduced over the years due to progressive pain,deformity and difficulty in  horizontal gaze.
She underwent Complex Spine Deformity Correction with Posterior Spine Osteotomy and T5-L1 Instrumented Fusion.
She was mobilised 24 hrs post surgery and was discharged in 4 days. 

1. What is the main cause of ankylosing spondylitis?
    An systemic chronic autoimmune spondyloarthropathy characterized by 

    • HLA-B27 histocompatability complex positive (90%) 
    • RF negative (seronegative)
    • primarily affect axial spine. 
    • 4:1 male:female.
2.What is the difference between rheumatoid arthritis and ankylosing spondylitis?
Ankylosing spondylitis usually produces symptoms in the low back, hips, and/or shoulders first. In contrast, rheumatoid arthritis usually first affects smaller joints, such as those in the hands and feet.

3. What is Andersson Lesion ?
Discovertebral or Andersson Lesion (AL) is a recognized complication in AS. It is a destructive discovertebral lesion, which occurs transversely through the disc space and or the vertebral body of a spinal segment.
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