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01-01-2008 | Urogenital

CT urography: definition, indications and techniques. A guideline for clinical practice

Authors: Aart J. Van Der Molen, Nigel C. Cowan, Ullrich G. Mueller-Lisse, Claus C. A. Nolte-Ernsting, Satoru Takahashi, Richard H. Cohan, CT Urography Working Group of the European Society of Urogenital Radiology (ESUR)

Published in: European Radiology | Issue 1/2008

Abstract

The aim was to develop clinical guidelines for multidetector computed tomography urography (CTU) by a group of experts from the European Society of Urogenital Radiology (ESUR). Peer-reviewed papers and reviews were systematically scrutinized. A summary document was produced and discussed at the ESUR 2006 and ECR 2007 meetings with the goal to reach consensus. True evidence-based guidelines could not be formulated, but expert guidelines on indications and CTU examination technique were produced. CTU is justified as a first-line test for patients with macroscopic haematuria, at high-risk for urothelial cancer. Otherwise, CTU may be used as a problem-solving examination. A differential approach using a one-, two- or three-phase protocol is proposed, whereby the clinical indication and the patient population will determine which CTU protocol is employed. Either a combined nephrographic-excretory phase following a split-bolus intravenous injection of contrast medium, or separate nephrographic and excretory phases following a single-bolus injection can be used. Lower dose (CTDIvol 5–6 mGy) is used for benign conditions and normal dose (CTDIvol 9–12 mGy) for potential malignant disease. A low-dose (CTDIvol 2–3 mGy) unenhanced series can be added on indication. The expert-based CTU guidelines provide recommendations to optimize techniques and to unify the radiologist’s approach to CTU.

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Title: CT urography: definition, indications and techniques. A guideline for clinical practice
Authors: Aart J. Van Der Molen
Nigel C. Cowan
Ullrich G. Mueller-Lisse
Claus C. A. Nolte-Ernsting
Satoru Takahashi
Richard H. Cohan
CT Urography Working Group of the European Society of Urogenital Radiology (ESUR)
Publication date: 01-01-2008
Publisher: Springer-Verlag
Published in: European Radiology / Issue 1/2008
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI: https://doi.org/10.1007/s00330-007-0792-x

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CT urography: definition, indications and techniques. A guideline for clinical practice

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