A Review of Imaging Methods for Prostate Cancer Detection

IF 2.3 Q3 ENGINEERING, BIOMEDICAL
Saradwata Sarkar, Sudipta Das
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引用次数: 86

Abstract

Imaging is playing an increasingly important role in the detection of prostate cancer (PCa). This review summarizes the key imaging modalities–multiparametric ultrasound (US), multiparametric magnetic resonance imaging (MRI), MRI-US fusion imaging, and positron emission tomography (PET) imaging–-used in the diagnosis and localization of PCa. Emphasis is laid on the biological and functional characteristics of tumors that rationalize the use of a specific imaging technique. Changes to anatomical architecture of tissue can be detected by anatomical grayscale US and T2-weighted MRI. Tumors are known to progress through angiogenesis–-a fact exploited by Doppler and contrast-enhanced US and dynamic contrast-enhanced MRI. The increased cellular density of tumors is targeted by elastography and diffusion-weighted MRI. PET imaging employs several different radionuclides to target the metabolic and cellular activities during tumor growth. Results from studies using these various imaging techniques are discussed and compared.
前列腺癌影像学检测方法综述
影像学在前列腺癌(PCa)的检测中发挥着越来越重要的作用。本文综述了多参数超声(US)、多参数磁共振成像(MRI)、MRI-US融合成像和正电子发射断层扫描(PET)成像等主要成像方式在前列腺癌诊断和定位中的应用。重点放在肿瘤的生物学和功能特征上,使特定成像技术的使用合理化。组织解剖结构的变化可以通过解剖灰度US和t2加权MRI检测到。肿瘤是通过血管生成进展的,这一事实可以通过多普勒、超声增强和动态磁共振增强来证实。通过弹性成像和弥散加权MRI检查肿瘤细胞密度的增加。PET成像采用几种不同的放射性核素来靶向肿瘤生长过程中的代谢和细胞活动。这些不同的成像技术的研究结果进行了讨论和比较。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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