Comparative Study
doi: 10.1016/0720-048x(90)90051-c.
Radiologic diagnosis of renal colic: the role of plain films, excretory urography and sonography
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- PMID: 2265624
- DOI: 10.1016/0720-048x(90)90051-c
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Comparative Study
Radiologic diagnosis of renal colic: the role of plain films, excretory urography and sonography
Eur J Radiol.
1990 Nov-Dec.
Abstract
The accuracy of plain films, excretory urography and ultrasound for the clinical work-up of renal colic for detecting urinary calculi was evaluated prospectively in 49 patients. Excretory urography was the most sensitive and specific test. Plain films and sonography each had a sensitivity of approximately 60%, but combined yielded a sensitivity of 80%; specificity did not improve. A diagnostic algorithm where sonography was performed first followed by an excretory urography in case of a negative sonography was highly sensitive (93%) and rather specific (79%). This algorithm appears also to have a good cost-benefit rate.
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