By Richard G. Barr
"Elastography is a noninvasive imaging procedure that detects tumors in accordance with their stiffness in comparison to common tissue. It makes use of ultrasound expertise and will be played in the course of an ultrasound exam of the breast. it might dramatically decrease the variety of breast biopsies played. This booklet introduces the recommendations of breast elastography by means of an in depth description for every of the techniques, highlighting their professionals and cons. this is often through a piece on easy methods to practice all of the innovations. The 3rd part discusses the tools of interpretation for every method, and the ultimate part offers circumstances stories highlighting the professionals and cons of every procedure and the way to prevent pitfalls in interpretation. it really is written to attract the newbie in addition to the skilled user"--Provided by means of publisher. �Read more...
summary: "Elastography is a noninvasive imaging procedure that detects tumors in keeping with their stiffness in comparison to basic tissue. It makes use of ultrasound expertise and will be played in the course of an ultrasound exam of the breast. it may possibly dramatically lessen the variety of breast biopsies played. This ebook introduces the concepts of breast elastography by means of an in depth description for every of the options, highlighting their execs and cons. this can be by way of a piece on find out how to practice all of the strategies. The 3rd part discusses the equipment of interpretation for every approach, and the ultimate part offers situations reviews highlighting the professionals and cons of every method and the way to prevent pitfalls in interpretation. it's written to attract the newbie in addition to the skilled user"--Provided via writer
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Additional info for Breast Elastography
The same slice of the lesion needs to remain in the imaging plane during the compression/release cycle (▶ Fig. 1). Optimal 10 images can be obtained by monitoring the B-mode image to confirm the lesion is displaced only in depth during scanning and is otherwise not moving in the field of view (FOV). To avoid having the lesion move in and out of plane we prefer to position the patient so that an imaginary line through the transducer face and lesion is perpendicular to the floor with the patient’s breathing moving the lesion in the same plane (▶ Fig.
This figure is a box whisker plot of the E/B ratio for various types of tumors. Note that as the tumor grade increases the E/B ratio also tends to increase, although there is a wide range of variability. (Used with permission from Grajo JRB, Barr RG. Strain elastography in the prediction of breast cancer tumor grade. J Ultrasound Med 2014;33(1):129–134) Fig. 21 A 5-point color scale has been proposed as a method of characterizing breast masses as benign or malignant. In this example of the scale stiff lesions are coded blue, and soft lesions are coded green and red.
The compression/release stroke should be no more than 1 mm. 1 List of the available elastography systems for the various techniques Technique Product name Vendor No manual compression eSie Touch Siemens (Mountain View, CA) Elastography Philips (Bothell, WA) ElaXto Esaote (Indianapolis, IN) Real-time tissue elastography (RTE) Hitachi Aloka (Wallingford, CT) Elastography Toshiba (Minato, Tokyo, Japan) Elastography GE (Fairfield, CT) Real-time tissue elastography (RTE) Hitachi Aloka (Wallingford, CT) Elastography Zonare/Mindray (Shenzhen, China) Minimal compression Moderate compression skin with the probe.
Breast Elastography by Richard G. Barr