声触诊组织量化技术在甲状腺超声诊断中的应用进展

Diagnosis value of virtual touch tissue quantification in thyroid diseases

声脉冲辐射力弹性成像(acoustic radiation force impulse imaging,ARFI)是近年来推出的超声成像新技术,声触诊组织量化技术(virtual touch tissue quantification,VTQ)是其中之一。声脉冲辐射力使组织产生纵向压缩及横向振动,间接反映组织弹性,实现了无创检测特定解剖部位的组织弹性,具有无创、准确、客观等特性。本文对ARFI在甲状腺超声诊断中的临床应用进行综述。VTQ技术可对正常甲状腺、甲状腺弥漫性病变(桥本甲状腺炎和弥漫性毒性甲状腺肿)、甲状腺良恶性结节鉴别进行定量诊断,与实时弹性成像(real time elastography,RTE)、超声造影、细针穿刺等联合应用,可进一步提高诊断准确率。

Acoustic radiation force impulse imaging (ARFI) is a new technology, and virtual touch tissue quantiifcation (VTQ) is one of the most commonly used technologies. The acoustic radiation force makes the tissues produce longitudinal compression and lateral vibration, and reflects the tissue elasticity indirectly. It achieves the noninvasive measurement of tissue elasticity in speciifc anatomical location tissue elasticity with noninvasive, accurate, and objective features. The aim of this review was to illustrate the clinical application of ARFI in normal thyroids and thyroid diseases. VTQ can make quantitative differential diagnosis of the normal thyroid tissues, thyroid diffuse diseases (Hashimoto’s thyroiditis and Graves’ disease) and thyroid nodules. The combination of ARFI with real time elastography (RTE), contrast-enhanced ultrasound (CEUS) and ifne needle aspiration (FNA) can improve the diagnostic accuracy.