In this study, a discogenic low back pain (DLBP) model was established by puncture of rat intervertebral disc under the guidance of X-ray, and functional magnetic resonance imaging (fMRI) was performed on paravertebral muscles of DLBP rats to explore the feasibility of the DLBP model and the changes of T2 value and R2*value of paravertebral muscles in the early stage of DLBP. The conclusion is that it is feasible to construct DLBP rat model by X-ray guided puncture of intervertebral disc, and the T2 value changes earlier than R2*in the early stage of DLBP.
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