在前列腺MRI前立即进行微浸泡:对直肠气体,图像质量和PI-QUAL评分的影响
Jacob Palmer1, Leon Winata2, Melanie Seale2
1St Vincent's Hospital Melbourne, Melbourne, Australia. jrpalmer01@gmail.com.
在前列腺MRI之前施用微清水,通过减少直肠气体和人工物,显著改善了扩散权重成像 (DWI) 质量. 这种肠道制剂可以提高前列腺癌检测的诊断准确性.
科学领域:
- 放射学 放射学是一门学科.
- 医疗成像医学成像
背景情况:
- 前列腺MRI对于诊断前列腺癌至关重要.
- 直肠气体和相关的文物可以降低图像质量,影响诊断准确度.
- 标准化肠道准备协议对于优化MRI研究至关重要.
研究的目的:
- 评估前前列腺MRI微阴道给药对直肠气体,文物和图像质量的影响.
- 评估前列腺成像质量评估 (PI-QUAL) 评分的影响.
主要方法:
- 对171名接受多参数3T前列腺MRI的患者进行了回顾性分析.
- 86名接受微清水的患者和85名没有接受微清水的患者之间的比较.
- 由两名放射科医生进行独立的盲目审查,评估图像质量 (T2W,DWI,DCE),直肠气体和使用标准化尺度的文物.
主要成果:
- 微清水组显示出改善的DWI图像质量 (p < 0.001) 和减少的直肠气体 (p < 0.001) 和文物 (p < 0.001).
- 在微清水组中,一个读者 (p=0.01) 的PI-QUAL得分显著改善.
- 非诊断性DWI序列在微阴囊组显着较低 (1.2%对10.6%,p=0.009).
结论:
- 前列腺前MRI微浸泡剂的使用通过减少直肠气体和人工物来提高DWI质量.
- 这种制备方法提高了诊断的信心,减少了非诊断性扫描.
- 虽然DWI质量持续改善,但PI-QUAL得分的改善取决于读者.
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