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      1. Author :
        Penna, F. J.; Chow, J. S.; Minnillo, B. J.; Passerotti, C. C.; Barnewolt, C. E.; Treves, S. T.; Fahey, F. H.; Dunning, P. S.; Freilich, D. A.; Retik, A. B.; Nguyen, H. T.
      2. Title :
      3. Type :
        Journal Article
      4. Year :
      5. Publication :
        J Urol
      6. Products :
      7. Volume :
      8. Issue :
      9. Page Numbers :
      10. Research Area :
      11. Keywords :
        OsteoSense, Animals; Diagnostic Imaging; Disease Models, Animal; Fluorescence; *Kidney Pelvis; Mice; Ureteral Obstruction/*diagnosis
      12. Abstract :
        PURPOSE: Radiological imaging is the mainstay of diagnosing ureteropelvic junction obstruction. Current established radiological modalities can potentially differentiate the varying degrees of obstruction but they are limited in functionality, applicability and/or comprehensiveness. Of particular concern is that some tests require radiation, which has long-term consequences, especially in children. MATERIALS AND METHODS: We investigated the novel use of Genhance 680 dynamic fluorescence imaging to assess ureteropelvic junction obstruction in 20 mice that underwent partial or complete unilateral ureteral obstruction. Ultrasound, mercaptoacetyltriglycine renography, magnetic resonance imaging and fluorescence imaging were performed. RESULTS: Our model of partial and complete obstruction could be distinguished by ultrasound, mercaptoacetyltriglycine renography and magnetic resonance imaging, and was confirmed by histological analysis. Using fluorescence imaging distinct vascular and urinary parameters were identified in the partial and complete obstruction groups compared to controls. CONCLUSIONS: Fluorescence imaging is a feasible alternative radiological imaging modality to diagnose ureteropelvic junction obstruction. It provides continuous, detailed imaging without the risk of radiation exposure.
      13. URL :
      14. Call Number :
        PKI @ kd.modi @ 14
      15. Serial :