| Computed tomography versus ureteroscopy in identification of renal tract stone with ureteral stent in situ. | |
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MedLine Citation:
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PMID: 22041243 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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INTRODUCTION: The aim of this study was to validate the use of non-contrast computed tomography (CT) with a ureteral stent in situ instead of ureteroscopy for identification of renal tract stones. METHODS: All patients who had stents inserted for renal tract stones and underwent non-contrast CT with the stent in situ followed by ureteroscopy between May 2008 and October 2009 at The Canberra hospital, Australia, were analysed retrospectively. Statistical analysis was performed to compare any differences between CT and ureteroscopy in the identification of stones. RESULTS: Overall, 57 patients were included in the study. The difference between CT and ureteroscopy findings was statistically significant. CT identification of stones with a stent in situ had a sensitivity of 86%, a specificity of 46%, a positive predictive value of 63%, a negative predictive value of 76% and an accuracy of 67%. CONCLUSIONS: Our study suggests that non-contrast CT is inferior to the 'gold standard' of ureteroscopy. It lacks sensitivity, specificity, positive predictive value, negative predictive value and accuracy. Therefore, we cannot recommend using non-contrast CT to replace ureteroscopy. |
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Authors:
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V Cy Tang; A Attwell-Heap |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Annals of the Royal College of Surgeons of England Volume: 93 ISSN: 1478-7083 ISO Abbreviation: Ann R Coll Surg Engl Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-01 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7506860 Medline TA: Ann R Coll Surg Engl Country: England |
Other Details:
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Languages: eng Pagination: 639-41 Citation Subset: IM |
Affiliation:
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Canberra Hospital, Australia, 22 Montmano Drive, West Didsbury, Manchester M20 2EB, UK. vincetang@hotmail.com. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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