Ankylosing spondylitis

Case contributed by Ian Bickle
Diagnosis almost certain

Presentation

Retired man with acute on chronic neck pain. High clinical concern resulted in CT following limited plain film views.

Patient Data

Age: 65 years old
Gender: Male
x-ray
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Aside from an open degenerative C5/C6 intervertebral disc space, the whole of the cervical spine is ankylosed.

ct
This study is a stack
Axial bone
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This study is a stack
Sagittal
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This study is a stack
Coronal
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The florid ankylosis of the whole visualized cervicothoracic spine is illustrated.

The angulation at C5/C6 is due to this being the only remaining non-fused intervertebral disc space.

The C5/C6 disc space is degenerative.

Photograph
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The rigid structure if bamboo from which the name of an ankylosed spine is rightly derived. Author: Jesper Rautell Balle. See case discussion for full attribution.

Case Discussion

Ankylosing spondylitis is a form of negative spondyloarthritides, nearly exclusively affecting males.

This is characterized with ankylosis of the spine and sacroiliac joints, forming in the most extreme cases a bamboo spine - the spine ankylosing into one rigid 'block' of bone, which is resultingly extremely susceptible to fracture.

Attribution

Author: Jesper Rautell Balle

Original file: http://commons.wikimedia.org/wiki/File:Jrballe_bamboo_forest_Susukinobabacho_001.JPG

Modifications: cropped

License: This file is licensed under the Creative Commons Attribution 3.0 Unported License. In short: you are free to distribute and modify the file as long as you attribute its author(s) or licensor(s).

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