Kidney stones. Ultrasound scan of a 83 year old female patient with two kidney stones (bright white) in the right kidney. Kidney stones,or calculi,are formed when mineral salts,most often involving calcium,accumulate in the inner surfaces of the kidney. As they grow,they may block the flow of urine out of the kidney,causing extreme pain. Most stones are small enough to be passed,but larger stones need to be treated. They may be removed by surgery or using non-invasive means such as applying sound waves to break up the stone | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 3417 px × 2563 px |
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