- 1. In ultrasonography, pertaining to material that produces echoes of higher amplitude or density than the surrounding medium. 2. Denoting a region in an ultrasound image in which the echoes are stronger than normal or than surrounding structures.
* * *hy·per·echo·ic (hi″pər-ə-koґik) in ultrasonography, giving off many echoes; said of tissues or structures that reflect relatively many of the ultrasound waves directed at them. Called also hyperechogenic.
Medical dictionary. 2011.
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