Complex Cystic Renal Lesions: Evaluation of Computed Tomography Findings With Contrast Enhanced Ultrasound in Terms of the Bosniak Classification System.
All subjects receive an contrast enhanced CT due to different clinical indications. When a
complex cystic renal lesion is found an evaluation with CEUS is performed. The CEUS protocol
included a native baseline examination of both kidneys. After a bolus injection of 1.5 ml
SonoVue (Bracco, Milano, Italy) an examination of the affected kidneys is performed over a
time period of at least three minutes. An optional dose will be given when the initial
examination is not conclusive, e. g. when the arterial phase is partly missed. When both
examinations are done the lesions were classified using the Bosniak classification system
and a comparison of both methods will be done.
Observational
Observational Model: Case-Only, Time Perspective: Retrospective
Joachim Hohmann, MD
Principal Investigator
Department of Radiology, University Hospital Basel, University of Basel
Switzerland: Swissmedic
EK 129/09
NCT01159717
January 2007
July 2010
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