Table 4 T1ρ, T2 and T2* relaxation times in nucleus pulpous for lumbar disc bulging, herniation and annular tears
From: T1ρ, T2 and T2* mapping of lumbar intervertebral disc degeneration: a comparison study
Morphologic changes | T1ρ relaxation time (ms) | T2 relaxation time (ms) | T2* relaxation time (ms) |
|---|---|---|---|
Disc bulging or herniation | |||
Normal | 157.43(77.96- 239.88) | 111.69 (39.86–204.70) | 53.41 (14.27–198.85) |
Bulging | 120.55(77.69–197.87) | 61.07 (22.02–138.89) | 39.69 (12.85–108.62) |
Herniation | 99.87 (81.80- 149.31) | 55.68 (45.57–101.04) | 37.17 (9.62–101.29) |
rhoa | -0.52 | -0.58 | -0.26 |
P vales | < 0.001 | < 0.001 | < 0.001 |
Annular tears | |||
No tear | 149.67 (77.96–239.88) | 104.47 (39.86–204.70) | 50.58 (14.27–198.85) |
High-intensity zones | 105.73 (77.69–157.11) | 57.18 (22.02–130.76) | 37.17 (9.62–81.31) |
P valesb | < 0.001 | < 0.001 | < 0.001 |