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Table 1 Correlation of histopathological findings and magnetic resonance imaging

From: Correlation of histopathological findings and magnetic resonance imaging in the spine of patients with ankylosing spondylitis

Patient no. HLA-B27 Edema (%) Cellular infiltration Microvessel density Edema detected by magnetic resonance imaging
      Zygapophyseal joints of lumbar spine Other segments of lumbar or thoracic spine
1 - 60 +++ ++ L1, L2 Th12
2 + 60 +++ + L2, L3 -
3 - 30 +++ + L2, L3, L4 Th5–Th7 and zygapophyseal joints Th5–Th7
4 + 20 +++ + - Thoracic spine Th11, Th12
5 + 10 + + - -
6 + 20 + + - Th6–Th9 and zygapophyseal joints Th6–Th9
7 + 30 +++ + - -
8 + 10 + + - -
  1. L, vertebra of the lumbar spine; Th, vertebra of the thoracic spine.