| Assessment of stone composition in the management of urinary stones. | |
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MedLine Citation:
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PMID: 21135879 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Several explanations have been suggested to account for the failure of extracorporeal shockwave lithotripsy (ESWL) treatment in patients with urinary stones, including large stone volume, unfavorable stone location or composition and the type of lithotriptor used. Unfavorable stone composition is considered a major cause of failure of ESWL treatment, and consequently knowledge of the stone composition before treatment is initiated is desirable. Plain abdominal radiographs cannot accurately determine either stone composition or fragility, and although the CT attenuation value in Hounsfield units (HU) (that is, normalized to the attenuation characteristics of water) is useful, this parameter has limited value as a predictor of stone composition or the response to ESWL treatment. By contrast, stone morphology as visualized by CT correlates well with both fragility and susceptibility to fragmentation by ESWL. For patients prone to recurrent calculi, analyses of stone composition are especially important, as they may reveal an underlying metabolic abnormality. The development of advanced imaging technologies that can predict stone fragility is essential, as they could provide extra information for physicians, enabling them to select the most appropriate treatment option for patients with urinary stones. |
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Authors:
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Kittinut Kijvikai; J J M de la Rosette |
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Publication Detail:
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Type: Journal Article Date: 2010-12-07 |
Journal Detail:
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Title: Nature reviews. Urology Volume: 8 ISSN: 1759-4820 ISO Abbreviation: Nat Rev Urol Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-02-09 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101500082 Medline TA: Nat Rev Urol Country: England |
Other Details:
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Languages: eng Pagination: 81-5 Citation Subset: IM |
Affiliation:
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Division of Urology, Department of Surgery, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, 270 Rama VI Road, Ratchatewi, Bangkok 10400, Thailand. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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