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MRI乳腺动态增强扫描在乳腺良恶性病变中的诊断价值研究 被引量:4

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摘要 目的:探讨MRI乳腺动态增强扫描诊断鉴别乳腺良恶性病变的临床价值。方法:择取2017年6月—2019年6月我院收治的55例乳腺疾病患者,全部患者均以MRI进行乳腺检查,行常规平扫、扩散加权成像扫描和动态多期增强扫描,观察并分析病变形态学与血流动力学,以手术病理或临床随访结果为金标准,评价MRI诊断鉴别乳腺良恶性病变的临床效果。结果:55例患者检出乳腺异常强化病灶59个,包括非肿块性36个,肿块性20个,局灶性3个。良性病变时间信号强度曲线以缓慢上升型为主,恶性病变以廓清型为主,分布差异有统计学意义(P<0.05),以平台型和廓清型曲线诊断乳腺恶性病变,灵敏度85.19%,特异度62.50%,准确性72.88%,以廓清型曲线诊断乳腺恶性病变,灵敏度55.56%,特异度90.63%,准确性74.58%,准确性无统计学差异(P>0.05)。恶性病变早期增强率(208.9±64.2)%,相对最大增强率(2.32±0.51)%/s,乳腺血管评分(2.22±0.87)分,均高于良性病变,差异有统计学意义(P<0.05)。结论:MRI动态增强扫描可以有效显示异常强化病灶的形态学特征与血流动力学参数,与病理基础存在一定相关性,能够为乳腺良恶性病变鉴别诊断提供有价值的影像学依据,值得推广使用。
出处 《影像研究与医学应用》 2020年第1期103-105,共3页 Journal of Imaging Research and Medical Applications
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