乳腺肿瘤血管的超声评价

超声检测乳腺肿瘤血管是最简便可靠的非侵入性方法,可根据肿瘤血管形态和分布等特征,对乳腺肿瘤进行良恶性鉴别.研究表明,彩色多普勒血流显像可形象直观地显示血管形态、血流方向、流速和血流的性质,但往往受声束与血流速度夹角等因素的影响.能量多普勒超声克服了这些困难,但不能提供血流速度信息并容易产生运动伪差.三维超声及超声造影能清晰、直观地显示肿瘤内部细小血管及空间分布,将是很有潜力的新型诊断技术.

Assessing tumor vascularity in breast neoplasms by ultrasonography

Ultrasonography is a simple and reliable non-invasive method in tumor vascularity detection of breast neoplasms. Tumor vascularity morphometric and topological characteristic in breast neoplasms provides an important basis for differentiation between benign and malignant lesions. Studies indicate that visual blood vessel shape and direction, velocity, properties of blood flow can be satisfactorily shown by color Doppler flow imaging(CDFI). But CDFI is confined by the angle between acoustic beam and blood flow. Power Doppler ultrasound (PDU) can overcome the difficulties mentioned above, but can not offer the information of blood velocities and motion error. The intratumoral flow features can clearly and visually shown by three-dimensional ultrasonography (3DUS) and contrast- enhanced ultrasound (CEUS). 3 DUS and CEUS will be new potential diagnosis techniques in vascularity estimation of breast neoplasms.