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CC BY-NC-ND 4.0 · Ultrasound Int Open 2020; 06(01): E4-E6
DOI: 10.1055/a-1196-2244
Case Report

Ultrasound-Guided Cryoablation of Renal Grafts Tumors

Janni Lynggård Bo Madsen
1   Radiology, Odense University Hospital, Odense, Denmark
,
Camilla Brinkmann Bak-Ipsen
2   Radiology, Aarhus University Hospital, Aarhus, Denmark
,
Tommy Kjærgaard Nielsen
3   Urology, Aarhus University Hospital, Aarhus, Denmark
4   Institute of Clinical Research, Aarhus, Aarhus Universitet, Denmark
,
Jan Solvig
2   Radiology, Aarhus University Hospital, Aarhus, Denmark
,
Ole Graumann
1   Radiology, Odense University Hospital, Odense, Denmark
5   Department of Clinical Research, Odense, University of Southern Denmark, Denmark
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Introduction

Tumors in renal grafts are rare with an estimated prevalence of 0.18% (X. Tillou et al. Transplant Rev. 2015 and FM Drudi et al. J Ultrasound. 2019 [1] [2]). An increased incidence of graft tumors may be observed in the future due to increased donor age and prolonged graft survival. Furthermore, the immunosuppressant state of graft recipients may cause the tumor to behave more aggressively (G. Ploussard et al. BJU Int. 2012: 109: 195–9 [3]). In these complex cases, there is a need for a minimally invasive nephron-sparing treatment option that can keep patients free of dialysis.

Here we present two cases of T1a renal cell carcinoma (RCC) in renal grafts that were successfully treated using ultrasound-guided percutaneous cryoablation: a minimally invasive technique where only the tumor is destroyed, and the graft’s function is preserved. Furthermore, when comparing percutaneous cryoablation to laparoscopic cryoablation and partial nephrectomy, the risk of treatment-related complications is decreased (T. Klatte et al. J Urology. 2014: 191: 1209–17 [4]).



Publication History

Received: 11 November 2019
Received: 20 May 2020

Accepted: 03 June 2020

Article published online:
22 July 2020

© 2020. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

Georg Thieme Verlag KG
Stuttgart · New York

 

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