Which term describes tissues that are brightest on ultrasound due to strong reflection?

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Multiple Choice

Which term describes tissues that are brightest on ultrasound due to strong reflection?

Explanation:
On ultrasound, brightness reflects echogenicity—the amount of sound that tissue sends back to the transducer. Tissues that produce strong echoes appear very bright, or hyperechoic, because of large differences in acoustic impedance at interfaces or highly organized, reflective structures. This is why bone and calcifications often look bright on ultrasound. By contrast, anechoic tissues give no echoes and look black, hypoechoic tissues are darker than surrounding tissue, and isoechoic tissues have similar brightness to their surroundings.

On ultrasound, brightness reflects echogenicity—the amount of sound that tissue sends back to the transducer. Tissues that produce strong echoes appear very bright, or hyperechoic, because of large differences in acoustic impedance at interfaces or highly organized, reflective structures. This is why bone and calcifications often look bright on ultrasound. By contrast, anechoic tissues give no echoes and look black, hypoechoic tissues are darker than surrounding tissue, and isoechoic tissues have similar brightness to their surroundings.

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