imaginory fact

Asked by shwetaworld | 26th Feb, 2010, 12:39: AM

Expert Answer:

Dear Shweta,

A kidney ultrasound can show the presence of a stone: sound waves cannot pass through a stone, so the stone "casts a shadow" on the ultrasound picture.

Hope this helps.

Answered by  | 26th Feb, 2010, 09:36: AM

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