By Richard G. Barr
"Elastography is a noninvasive imaging method that detects tumors in line 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 will probably dramatically decrease the variety of breast biopsies played. This publication introduces the strategies of breast elastography via a close description for every of the techniques, highlighting their execs and cons. this can be through a bit on how you can practice all of the options. The 3rd part discusses the tools of interpretation for every strategy, and the ultimate part provides circumstances reviews highlighting the professionals and cons of every approach and the way to prevent pitfalls in interpretation. it really is written to entice the newbie in addition to the skilled user"--Provided via publisher. �Read more...
summary: "Elastography is a noninvasive imaging method that detects tumors in line with their stiffness in comparison to general tissue. It makes use of ultrasound know-how and will be played in the course of an ultrasound exam of the breast. it could actually dramatically decrease the variety of breast biopsies played. This booklet introduces the options of breast elastography through an in depth description for every of the recommendations, highlighting their execs and cons. this is often by means of a piece on how one can practice all the innovations. The 3rd part discusses the tools of interpretation for every method, and the ultimate part provides circumstances reports highlighting the professionals and cons of every procedure and the way to prevent pitfalls in interpretation. it truly is written to attract the newbie in addition to the skilled user"--Provided by means of writer
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Extra info for Breast Elastography
6 for strain ratio, in a study using B-mode, strain pattern (elasticity score), width ratio, and strain ratio. 75 for benign tumors. The appropriate cutoﬀ for this technique varies greatly between studies. 19 As precompression is applied the 24 stiﬀness of all tissues increases. However, the stiﬀness of fat changes more than that of normal breast tissue and lesions; therefore, with precompression the ratio of lesion to fat will decrease. Care must also be taken that the FOV for the fat measurement contain only fat.
13). If a lesion is diﬃcult to accurately measure to utilize the E/B ratio comparing the elasticity of the lesion to dense breast tissue can be helpful. If the elasticity is similar to dense breast tissue it is probably benign, whereas if it is stiﬀer than dense breast tissue it is most likely malignant. Strain Elastography Fig. 25 On some systems an artifact is identified with benign simple and complicated cysts. This bull’s-eye artifact is characterized with the lesion black (yellow arrows) with a bright central spot (green arrow) and a bright spot behind the cyst (red arrow).
J Ultrasound Med 2012;31(5):773–783) Fig. 14 Elastography can be used when a palpable mass is present but is not identified on Bmode imaging. In this example, a palpable mass in a 42-year-old was not identified on mammography or B-mode ultrasound (left image). By placing the probe over the palpable abnormality and activating strain elastography a bull’s-eye artifact (red arrows on elastogram, right image) is obtained, confirming the oval lesion centrally in the B-mode image (red arrows B-mode) is an isoechoic, complicated cyst.