Contrast enhanced endoscopic ultrasound(CEUS)is a new modality that takes advantage of vascular structure and blood flow to distinguish different clinical entities.Contrast agents are microbubbles that oscillate when ...Contrast enhanced endoscopic ultrasound(CEUS)is a new modality that takes advantage of vascular structure and blood flow to distinguish different clinical entities.Contrast agents are microbubbles that oscillate when exposed to ultrasonographic waves resulting in characteristic acoustic signals that are then converted to colour images.This permits exquisite imaging of macroand microvasculature,providing information to help delineate malignant from non-malignant processes.The use of CEUS may significantly increase the sensitivity and specificity over conventional endoscopic ultrasound.Currently available contrast agents are safe,with infrequent adverse effects.This review summarizes the theory and technique behind CEUS and the current and future clinical applications.展开更多
文摘Contrast enhanced endoscopic ultrasound(CEUS)is a new modality that takes advantage of vascular structure and blood flow to distinguish different clinical entities.Contrast agents are microbubbles that oscillate when exposed to ultrasonographic waves resulting in characteristic acoustic signals that are then converted to colour images.This permits exquisite imaging of macroand microvasculature,providing information to help delineate malignant from non-malignant processes.The use of CEUS may significantly increase the sensitivity and specificity over conventional endoscopic ultrasound.Currently available contrast agents are safe,with infrequent adverse effects.This review summarizes the theory and technique behind CEUS and the current and future clinical applications.
