全身肿瘤扫描:MRI弥散加权成像和PET技术的比较

Comparison of magnetic resonance diffusion weighted imaging and positron emission tomography in whole body scan of tumor

继正电子放射断层(PET)技术之后,磁共振(MRI)全身弥散加权成像(WB-DWI)正逐渐成为临床上又一项重要的评估全身肿瘤的影像技术。本文将WB-DWI与较为成熟的PET全身扫描技术进行比较,综述WB-DWI在肿瘤学中的初步应用,特别是在肿瘤的诊断、鉴别诊断、分期、预后、疗效监测及筛查等方面的价值。

Followed after positron emission tomography （PET）, magnetic resonance whole body diffusion weighted imaging （WB-DWI） had gradually become another important clinical imaging technique for whole body evaluation of tumor. By comparing with PET, a relatively mature imaging method for whole body evaluation of tumor, application of WB-DWI in the diagnosis and differention of tumor, TNM staging, prognosis, response monitoring, and screening of tumor were generally reviewed in the article.