Ankylosing Spondylitis

a Sacroiliitis b "Bamboo spine"

a Sacroiliitis

Bamboo Spine

Fig. 8.44a The right iliosacral joint is already fused in its lower part. The left iliosacral joint shows pronounced periarticular sclerosis along erosions of the bone (arrow). This is a rather typical pattern of ankylosing spondylitis. b In the final phase and with maximal expression of Bechterew disease (as ankylosing spondylitis is also called), the paraspinous ligaments become ossified, giving rise to the so-called "bamboo spine." The intervertebral spaces are completely bridged by ossified tissue, which reduces the flexibility of the spine to nil. Any deceleration trauma may have dire consequences in this setting.

Fig. 8.44a The right iliosacral joint is already fused in its lower part. The left iliosacral joint shows pronounced periarticular sclerosis along erosions of the bone (arrow). This is a rather typical pattern of ankylosing spondylitis. b In the final phase and with maximal expression of Bechterew disease (as ankylosing spondylitis is also called), the paraspinous ligaments become ossified, giving rise to the so-called "bamboo spine." The intervertebral spaces are completely bridged by ossified tissue, which reduces the flexibility of the spine to nil. Any deceleration trauma may have dire consequences in this setting.

b "Bamboo spine"

Stretching For Ankylosing Spondylitis
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