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Table 2 Distribution of different structural lesions at the vertebral column in 55 patients with axial SpA

From: Distribution of spinal damage in patients with axial spondyloarthritis as assessed by MRI: a prospective and blinded study

 

Cervical spine

Thoracic spine

Lumbar spine

Erosions, n (%*)

38.5 (11.7)

76.0 (11.5)

60.0 (21.8)

Syndesmophytes, n (%*)

55.0 (16.7)

288.5 (43.7)†

62.5 (22.7)

Bridging, n (%*)

2.0 (0.6)

46.5 (7.1)§

8 (2.9)

Facet joint ankylosis < 50%, n (%**)

140.5 (21.3)

181.0 (13.7)

223.5 (40.6)§

Facet joint ankylosis > 50%, n (%**)

17.5 (2.7)

35.5 (2.7)

59.0 (10.7)§

Facet joint fusion‡,

n (%**)

2.5 (0.4)

10.5 (0.8)§

2.5 (0.5)

Fibrostosis and fusion

of PE#, n (%*)

1.0 (0.3)

10.5 (1.6)

2.5 (0.9)

  1. *Percent of vertebral units investigated
  2. **Percent of vertebral joints investigated
  3. †p < 0.001 compared to the number of syndesmophytes at the cervical or lumbar spine
  4. §p < 0.05 compared to intervertebral joint ankylosis < 50% at the cervical spine
  5. ‡It means complete ankylosis of a facet joint
  6. It means osteoproliferative changes of the spinous process
  7. #Posterior elements
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Arthritis Research & Therapy

ISSN: 1478-6362

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