NDLI: A Novel Method to Obtain Modulus Image of Soft Tissues Using Water Jet Compression

Content Provider	IEEE Xplore Digital Library
Author	Minhua Lu Yongping Zheng Qinghua Huang
Copyright Year	2005
Description	Author affiliation: Dept. of Health Technol. & Informatics, Hong Kong Polytech. Univ. (Minhua Lu; Yongping Zheng; Qinghua Huang)
Abstract	Tissue stiffness is generally known to be associated with pathologic changes. Ultrasound indentation is able to assess the mechanical properties of soft tissues. Conventional ultrasound indentation devices use rigid flat-ended transducers to directly contact with the tissues and typically operate in the frequency ranging between 2 M Hz and 10 MHz. This paper introduced a novel ultrasound indentation system using water jet compression. The water jet served as an indenter as well as a medium for the propagation of the ultrasound beam. High frequency focused transducer was used to measure the indentation deformation at a microscopic level. It has been demonstrated that the system could effectively assess the tissue-mimicking phantoms with different stiffness. Moreover, another advantage of this novel indentation system was to apply C-scan on soft tissues rapidly and conveniently. By applying different pressures on C-scan sequences, the modulus image of the tissue could be obtained. This paper presented the preliminary results on gel phantoms. The spatial resolution and the sensitivity of the measurements, the reproducibility of the results were also discussed
Starting Page	993
Ending Page	995
File Size	216510
Page Count	3
File Format	PDF
ISBN	0780387414
DOI	10.1109/IEMBS.2005.1616584
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-01-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Biological tissues Image coding Ultrasonic imaging Ultrasonic transducers Imaging phantoms Mechanical factors Focusing Frequency measurement Ultrasonic variables measurement Microscopy
Content Type	Text
Resource Type	Article

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