Effect of Metallic Ureteric Stents on Magnetic Resonance Imaging: Implications for Malignant Ureteral Obstruction
Abstract
Metallic ureteric stents are increasingly used for the management of malignant ureteric obstruction, a commonly
encountered complication in urological and other malignancies. However, there has been limited evaluation of
complications associated with these stents, including those that might arise from the use of magnetic resonance
imaging (MRI). While most devices are deemed nominally “MRI-safe,” their implication on the quality of imaging
produced has not been evaluated in clinical trials, and in our practice, significant artefact has been encountered with
some ureteric stents—specifically, the Teleflex Rüsch DD tumour stent—compromising image quality and diagnostic
certainty.
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