磁共振弥散成像与超声弹性成像在前列腺穿刺活检中的应用价值

doi:10.7517/issn.1674-0475.201004

影像科学与光化学 ›› 2021, Vol. 39 ›› Issue (3): 369-374.DOI: 10.7517/issn.1674-0475.201004

磁共振弥散成像与超声弹性成像在前列腺穿刺活检中的应用价值

林彬¹, 方成华¹, 胡敬²

1. 贵州中医药大学第二附属医院, 贵州贵阳 550003;
2. 贵阳职业技术学院城乡分院, 贵州贵阳 550081

收稿日期:2020-10-12 出版日期:2021-05-15 发布日期:2021-05-17
通讯作者: 方成华
基金资助:
贵州省科技计划项目（黔科合成果[2017]4967）

Application Value of Diffusion Weighted Imaging and Ultrasonic Elastography in Prostate Biopsy

LIN Bin¹, FANG Chenghua¹, HU Jing²

1. The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang 550003, Guizhou, P. R. China;
2. Urban and Rural Branch, Career Technical College Guiyang, Guiyang 550081, Guizhou, P. R. China

Received:2020-10-12 Online:2021-05-15 Published:2021-05-17

摘要/Abstract

摘要： 本研究探讨磁共振弥散成像（DWI）与超声弹性成像（UE）在前列腺穿刺活检中的应用价值。112例疑似前列腺癌（PCa）患者中，经前列腺活检病理穿刺证实为阳性（PCa）59例、阴性（前列腺良性增生）53例。经研究发现，前列腺穿刺活检穿刺阳性患者超声弹性评分高于阴性患者，表观扩散系数（ADC）值低于阴性患者，二者均为前列腺穿刺活检阳性的影响因素，与前列腺穿刺活检阳性显著相关（P<0.05）；ROC曲线显示，超声弹性评分、ADC值联合预测前列腺穿刺活检阳性的AUC面积为0.859，高于单一预测；前列腺穿刺活检阳性患者超声弹性评分、ADC值与Gleason评分相关（P<0.05）。DWI、UE对PCa均有较好的诊断能力，联合检查可提高PCa穿刺检出率，并能为肿瘤恶性程度及预后评估提供依据。

关键词: 磁共振弥散成像, 超声弹性成像, 前列腺, 穿刺活检

Abstract: The purpose of this study is to explore the application value of diffusion weighted imaging (DWI) and ultrasonic elastography (UE) in prostate biopsy. Among 112 patients with suspected prostate cancer (PCa), 59 were positive (PCa) confirmed by prostate biopsy and 53 were negative (benign prostatic hyperplasia). The study found that the ultrasound elasticity score of patients with positive prostate biopsy was higher than that of negative patients, and the apparent diffusion coefficient (ADC) value was lower than that of negative patients. Both were influencing factors for the positive prostate biopsy, and were significantly related to the positive prostate biopsy (P<0.05). The ROC curve showed that the combination of ultrasound elasticity score and ADC value predicted AUC to be 0.859, which was higher than the single prediction. In addition, the ultrasound elasticity score and ADC value of patients with positive prostate biopsy were correlated with Gleason score (P<0.05). It can be seen that both DWI and UE have good diagnostic capabilities for PCa,and combined examinations can improve the detection rate of PCa by puncture, and can provide a basis for the evaluation of malignant degree and prognosis of tumor.

Key words: diffusion weighted imaging, ultrsounic elastography, prostate, biopsy

林彬, 方成华, 胡敬. 磁共振弥散成像与超声弹性成像在前列腺穿刺活检中的应用价值[J]. 影像科学与光化学, 2021, 39(3): 369-374.

LIN Bin, FANG Chenghua, HU Jing. Application Value of Diffusion Weighted Imaging and Ultrasonic Elastography in Prostate Biopsy[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2021, 39(3): 369-374.

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磁共振弥散成像与超声弹性成像在前列腺穿刺活检中的应用价值

Application Value of Diffusion Weighted Imaging and Ultrasonic Elastography in Prostate Biopsy

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