In normal lymph nodes, what is the appearance of the cortex on ultrasound?

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Prepare for your Breast Ultrasound Test. Study with flashcards and multiple-choice questions; each question includes hints and explanations. Get ready for your exam!

Multiple Choice

In normal lymph nodes, what is the appearance of the cortex on ultrasound?

Explanation:
Normal lymph nodes on ultrasound have an ovoid shape with a distinct cortex surrounding a central echogenic hilum. The cortex is darker because lymphoid tissue reflects fewer sound waves than fat or the bright hilum. So the cortex appears hypoechoic, while the hilum remains bright. This hypoechoic cortex-hilum pattern is what you look for in a normal node.

Normal lymph nodes on ultrasound have an ovoid shape with a distinct cortex surrounding a central echogenic hilum. The cortex is darker because lymphoid tissue reflects fewer sound waves than fat or the bright hilum. So the cortex appears hypoechoic, while the hilum remains bright. This hypoechoic cortex-hilum pattern is what you look for in a normal node.

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