Korean J Radiol.  2009 Oct;10(5):523-526. 10.3348/kjr.2009.10.5.523.

Interventional Management of a Renal Cell Carcinoma by Radiofrequency Ablation with Tagging and Cooling

  • 1Department of Diagnostic Radiology, Aachen University Hospital, Germany. mahnken@rad.rwth-aachen.de
  • 2Applied Medical Engineering, Helmholtz-Institute, RWTH Aachen University, Germany.
  • 3Department of Urology, Aachen University Hospital, Germany.


Over the last few years, percutaneous radiofrequency (RF) ablation has been successfully established as a viable treatment modality for small peripheral renal cell carcinoma (RCC). This technique is limited by central tumor location and tumor size. We report the interventional management of a 5.3 cm mixed RCC with central and exophytic parts by combining the RF ablation with embolization, tagging, and retrograde, as well as anterograde cooling. The potential pitfalls of complex hybrid interventions for treating RCC are discussed.


Kidney; Carcinoma, renal cell; Ablation techniques; Embolization, therapeutic

MeSH Terms

Carcinoma, Renal Cell/pathology/radiography/*surgery
*Catheter Ablation
Incidental Findings
Iodized Oil/therapeutic use
Kidney Neoplasms/pathology/radiography/*surgery
Tomography, X-Ray Computed
Ultrasonography, Interventional


  • Fig. 1 Renal tumor before (arrows in A), during (* in B), and after (arrows in C) embolization of its central part with iodinated oil. Embolization was focused on central part of mixed tumor in order to achieve sufficient tagging of this area. Multi-planar reformations from intra-procedural CT images (D, E) illustrate positioning of radiofrequency probe and its relation to cooling catheters (* in E, F = RF probe; arrowhead in E = internal catheter; arrows in E = external cooling catheter). Central part of tumor reaches collecting system, which is marked by external cooling catheter. Follow-up CT scan eight months after intervention reveals no signs of local tumor recurrence (F). Note residual iodinated oil at site of ablation (arrows).


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