Q.13. ________ is an ultrasound technique that observes the relaxation properties of tissues.

A. Doppler ultrasound

B. 3D ultrasound

C. CWD ultrasound

D. Elastography

Explanation

The elastography is an ultrasound technique that observes the relaxation properties of tissues, which is performed by vibrating the tissue being studied and then producing an image that reflects the relaxation pattern of that tissue. It is postulated that normal and diseased tissues have different relaxation properties. In fact, this technique has been developed for detection and quantitative mapping of hard lesions in soft tissues, like breast and prostate.

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