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首页> 外文期刊>Radiology >Can running cause the appearance of marrow edema on MR images of the foot and ankle?
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Can running cause the appearance of marrow edema on MR images of the foot and ankle?

机译：跑步会导致脚和踝部MR图像上出现骨髓水肿吗？

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PURPOSE: To determine if runners have an increased prevalence of marrow edema in the foot and ankle compared with nonrunners at magnetic resonance (MR) imaging. MATERIALS AND METHODS: Ankles and feet were imaged in 20 runners and 12 nonrunners with a fast short inversion time inversion-recovery sequence at 1.5 T. Edema within each bone was graded from 0 (no edema) to 3 (severe edema). Total scores for each subject equaled the sum of the grades. RESULTS: Reader 1 found edema in 16 of 20 runners and four of 12 nonrunners (P < .04); runners had a mean score of 4.7 and nonrunners had a mean score of 0.9 (P < .006). The average number of bones with edema was 3.4 for runners and 0.7 for nonrunners (P < .005). Reader 2 found edema in 16 of 20 runners and two of 12 nonrunners (P < .002); runners had a mean score of 4.5 and nonrunners had a mean score of 0.3 (P < .001). The average number of bones with edema was 3.6 for runners and 0.3 for nonrunners (P < .001). CONCLUSION: When the fast short inversion time inversion-recovery sequence is performed, edema seen within the marrow of runners on MR images may be due to exercise alone.
机译：目的：确定跑步者在磁共振（MR）成像时与非跑步者相比，足部和踝部骨髓水肿的患病率升高。材料与方法：在20个跑步者和12个非跑步者中对脚踝和脚部进行成像，并以1.5 T的快速快速反转时间反转恢复序列。将每个骨骼内的水肿从0（无水肿）分级为3（严重水肿）。每个科目的总成绩等于成绩总和。结果：读者1在20名跑步者中有16名和12名非跑步者中有4名发现水肿（P <.04）;跑步者的平均得分为4.7，非跑步者的平均得分为0.9（P <.006）。跑步者的平均水肿骨骼数量为3.4，非跑步者的平均骨骼数量为0.7（P <.005）。读者2在20名跑步者中有16名和12名非跑步者中有2名发现了水肿（P <.002）;跑步者的平均得分为4.5，非跑步者的平均得分为0.3（P <.001）。跑步者的平均水肿骨骼数量为3.6，非跑步者的平均骨骼数量为0.3（P <.001）。结论：当执行快速的短反转时间反转恢复序列时，在MR图像上的跑步者骨髓内看到的水肿可能是由于单独运动造成的。

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