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Contrast-enhanced ultrasonography: advance and current status in abdominal imaging.

Authors
 Yong Eun Chung  ;  Ki Whang Kim 
Citation
 ULTRASONOGRAPHY, Vol.34(1) : 3-18, 2015 
Journal Title
 ULTRASONOGRAPHY 
ISSN
 2288-5919 
Issue Date
2015
Keywords
Abdomen ; Contrast media ; Image enhancement ; Microbubbles ; Ultrasonography
Abstract
In the field of contrast-enhanced ultrasonography (US), contrast agents are classified as either first- or second-generation agents depending on the gas within the microbubbles. In the case of first-generation contrast agents, a high-mechanical-index technique is used and only intermittent scanning is possible due to the early destruction of the microbubbles during the scanning. The use of second-generation contrast agents in a low-mechanical-index technique enables continuous scanning. Besides the detection and characterization of focal liver lesions, contrastenhanced US is helpful in the monitoring of radiofrequency ablation therapy and in the targeting step of an US-guided biopsy. Recently, there has been a demand for new criteria to evaluate the treatment response obtained using anti-angiogenic agents because morphologic criteria alone may not reflect the treatment response of the tumor and contrast-enhanced US can provide quantitative markers of tissue perfusion. In spite of the concerns related to its cost-effectiveness, contrast-enhanced US has the potential to be more widely used as a complimentary tool or to substitute the current imaging modalities in some occasions.
Files in This Item:
T201500949.pdf Download
DOI
10.14366/usg.14034
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Ki Whang(김기황)
Chung, Yong Eun(정용은) ORCID logo https://orcid.org/0000-0003-0811-9578
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/139811
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