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首页> 外文期刊>Journal of magnetic resonance imaging: JMRI >Magnetic resonance imaging in the evaluation of (deep infiltrating) endometriosis: the value of diffusion-weighted imaging.
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Magnetic resonance imaging in the evaluation of (deep infiltrating) endometriosis: the value of diffusion-weighted imaging.

机译：磁共振成像在（深层浸润）子宫内膜异位评估中的价值：弥散加权成像的价值。

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PURPOSE: To assess the value of magnetic resonance (MR)diffusion-weighted imaging (DWI) in the evaluation of deep infiltrating endometriosis (DIE). MATERIALS AND METHODS: In a prospective single-center study, DWI was added to the standard MRI protocol in 56 consecutive patients with known or suspected endometriosis. Endometriotic lesions as well as (functional) ovarian cysts were analyzed for location, size, and signal intensity on T1, T2, and DWI. Apparent diffusion coefficient (ADC) values were calculated using b-values of 50, 400, 800,and 1200 s/mm(2). Statistical analysis included the Spearman correlation coefficient, Mann-Whitney U, and Kruskal-Wallis tests. RESULTS: A total of 110 lesions (62 endometrial cysts and 48 DIE) were detected, 60 of which were large enough to analyze. Mean ADC values of endometrial cysts and functional ovarian cysts were 1.10 x 10(-3)/mm(2)/s and 2.14 x 10(-3)/mm(2)/s, respectively. Mean ADC values of DIE retrocervical, infiltrating the colon, and bladder were 0.70 x 10(-3)/mm(2)/s, 0.77 x 10(-3)/mm(2)/s, and 0.79 x 10(-3)/mm(2)/s, respectively. ADC values of DIE did not show a significant difference between varying pelvic locations (P = 0.63). CONCLUSION: Results of our study suggest that ADC values of DIE are consistently low, without significant difference between pelvic locations.
机译：目的：评估磁共振（MR）扩散加权成像（DWI）在评估深层浸润性子宫内膜异位症（DIE）中的价值。材料与方法：在一项前瞻性单中心研究中，将DWI添加到56例连续的已知或怀疑子宫内膜异位患者的标准MRI方案中。分析子宫内膜异位病变以及（功能性）卵巢囊肿的位置，大小以及T1，T2和DWI上的信号强度。表观扩散系数（ADC）值是使用50、400、800和1200 s / mm（2）的b值计算的。统计分析包括Spearman相关系数，Mann-Whitney U和Kruskal-Wallis检验。结果：共检测到110个病变（62个子宫内膜囊肿和48个DIE），其中60个足以分析。子宫内膜囊肿和功能性卵巢囊肿的ADC平均值分别为1.10 x 10（-3）/ mm（2）/ s和2.14 x 10（-3）/ mm（2）/ s。 DIE子宫颈后，浸润结肠和膀胱的ADC的平均ADC值为0.70 x 10（-3）/ mm（2）/s、0.77 x 10（-3）/ mm（2）/ s和0.79 x 10（- 3）/ mm（2）/ s。 DIE的ADC值在不同的骨盆位置之间没有显示出显着差异（P = 0.63）。结论：我们的研究结果表明，DIE的ADC值始终较低，而盆腔位置之间无显着差异。

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