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Semin intervent Radiol 2014; 31(01): 050-063
DOI: 10.1055/s-0033-1363843
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Percutaneous Ablation for Small Renal Masses—Imaging Follow-Up

Jason D. Iannuccilli
1   Department of Diagnostic Imaging, Rhode Island Hospital, Alpert Medical School, Brown University, Providence, Rhode Island
,
David J. Grand
1   Department of Diagnostic Imaging, Rhode Island Hospital, Alpert Medical School, Brown University, Providence, Rhode Island
,
Damian E. Dupuy
1   Department of Diagnostic Imaging, Rhode Island Hospital, Alpert Medical School, Brown University, Providence, Rhode Island
,
William W. Mayo-Smith
1   Department of Diagnostic Imaging, Rhode Island Hospital, Alpert Medical School, Brown University, Providence, Rhode Island
› Author Affiliations
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Publication History

Publication Date:
20 February 2014 (online)

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Abstract

Image-guided percutaneous thermal ablation is a safe and effective nephron-sparing alternative to surgical resection for the treatment of small renal tumors. Assessment of treatment efficacy relies heavily on interval follow-up imaging after treatment. Contrast-enhanced computed tomography (CT) and magnetic resonance imaging (MRI) both play a pivotal role in evaluating the treatment zone, identifying residual tumor, and detecting early and delayed procedure-related complications. This article discusses a surveillance imaging protocol for patients who undergo percutaneous thermal ablation of renal tumors, and also illustrates the typical appearances of both successfully treated tumors and residual disease on contrast-enhanced CT or MRI. In addition, it discusses the imaging appearance of potential early and delayed treatment-related complications to facilitate their prompt detection and management.

Keywords

thermal ablation renal mass - ablation imaging follow-up
 

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