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首页> 外文期刊>Journal of endometriosis. >Magnetic resonance imaging of deep infiltrating endometriosis: Comparison of 2DT2- and 3DT2-weighted TSE sequences
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Magnetic resonance imaging of deep infiltrating endometriosis: Comparison of 2DT2- and 3DT2-weighted TSE sequences

机译：深度浸润性子宫内膜异位症的磁共振成像：2DT2和3DT2加权TSE序列的比较

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Purpose: The purpose of this study was to compare image quality and diagnostic confidence of 3DT2 (SPACE) and 2DT2 magnetic resonance (MR) imaging for the evaluation of deep infiltrating endometriosis (DIE). Methods: A total of 121 patients, referred for MR imaging because of suspected DIE with bowel involvement, underwent both 2DT2 and 3DT2 MR imaging. Two independent readers assessed both datasets for presence of DIE, artefacts and overall image quality. Inter-rater agreement scores were calculated using Cohen's kappa, and image quality and diagnostic confidence scores were compared using the Wilcoxon rank sum test. Results: Inter-rater agreement scores for diagnosis of DIE (located retrocervical/vaginal cuff, or involving the bowel or bladder) using both 3DT2 SPACE and 2DT2, or solely 3DT2 and 2DT2 were excellent. Diagnostic confidence scores were similar for 3DT2 and 2DT2. Analysis of the 3DT2 dataset in combination with 2DT2 showed significant higher diagnostic confidence compared with solely 2DT2 for 1 location, which differed per reader. In 2DT2, artefacts were significantly lower, and overall image quality was significantly higher (p<0.01 and p<0.001, respectively). Conclusions: Although 3DT2 SPACE could replace routine 2DT2-weighted imaging, the authors prefer 2DT2 over 3D, because of significantly fewer artefacts and a higher overall image quality with almost similar diagnostic confidence scores. Thus 3DT2 might be added to the standard protocol in indistinct cases.
机译：目的：本研究的目的是比较3DT2（SPACE）和2DT2磁共振（MR）成像的图像质量和诊断置信度，以评估深层浸润性子宫内膜异位症（DIE）。方法：总共121例因怀疑DIE肠受累而进行MR成像的患者均接受了2DT2和3DT2 MR成像。两名独立的读者评估了这两个数据集的DIE，伪像和整体图像质量。使用Cohen的kappa计算评估者之间的一致性得分，并使用Wilcoxon秩和检验比较图像质量和诊断置信度得分。结果：使用3DT2 SPACE和2DT2或单独使用3DT2和2DT2诊断DIE（位于子宫颈后段/阴道套囊，或累及肠或膀胱）的评估者之间的一致性得分非常好。 3DT2和2DT2的诊断置信度得分相似。 3DT2数据集与2DT2组合的分析显示，对于1个位置，与单独使用2DT2相比，其诊断置信度显着更高，每个阅读器均有所不同。在2DT2中，伪像显着降低，整体图像质量显着更高（分别为p <0.01和p <0.001）。结论：尽管3DT2 SPACE可以代替常规的2DT2加权成像，但作者更喜欢2DT2而不是3D，因为伪影明显更少，并且整体图像质量更高，并且诊断置信度得分几乎相似。因此，在不清楚的情况下，可以将3DT2添加到标准协议中。

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