Mingshan DU, Bing XIE, Xuanqi XIONG, et al. Value of Dixon magnetic resonance imaging sequence in diagnosis of marrow edema of the sacroiliac joint in patients with ankylosing spondylitis[J]. Journal of Third Military Medical University, 2018, 40(22): 2081-2086.
DOI:
Mingshan DU, Bing XIE, Xuanqi XIONG, et al. Value of Dixon magnetic resonance imaging sequence in diagnosis of marrow edema of the sacroiliac joint in patients with ankylosing spondylitis[J]. Journal of Third Military Medical University, 2018, 40(22): 2081-2086. DOI: 10.16016/j.1000-5404.201807095.
Value of Dixon magnetic resonance imaging sequence in diagnosis of marrow edema of the sacroiliac joint in patients with ankylosing spondylitis
To investigate the value of Dixon magnetic resonance imaging (MRI) sequence in the diagnosis of marrow edema of the sacroiliac joint in patients with ankylosing spondylitis (AS).
Methods
2
Forty patients with AS admitted in our hospital between November
2016 and February
2018 were selected as the case group and 20 healthy subjects recruited during the same time served as the control group. All the patients were assessed with Bath ankylosing spondylitis disease activity index (BASDAI) and Bath ankylosing spondylitis functional index (BASFI) and examined for C-reactive protein and erythrocyte sedimentation rate (ESR) after admission. The routine MRI sequence and Dixon sequence scan of the sacroiliac joint were performed in both groups. The Dixon sequence images of the subjects were analyzed using post-processing workstation
and the water signal intensity under the surface of the bilateral sacroiliac joints were measured and compared between the 2 groups. In the case group
the correlations were analyzed of water signal intensity of Dixon sequence under the bilateral sacroiliac joint with BASDAI
BASFI
C-reactive protein
ESR and sacroiliac joint SPARCC score.
Results
2
The water signal intensity under the bilateral sacroiliac joints on Dixon sequence images was significantly higher in the case group than in the healthy control group (
P
<
0.05). In the case group
water signal intensity under the bilateral sacroiliac joints was positively correlated with BASDAI
BASFI
C-reactive protein
ESR and the sacroiliac joint SPARCC score of the patients (
P
<
0.05).
Conclusion
2
Dixon MRI sequence can be used as an indicator for evaluating the active stage of sacroiliac arthritis in patients with AS.
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