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 | + | + | - | - |