E-ISSN 1305-3612
Interventional Radiology - Technical Note
Ureteral protection during microwave ablation of renal cell carcinoma: combined use of pyeloperfusion and hydrodissection
1 Division of Interventional Radiology, Department of Radiology, Massachusetts General Hospital, Boston, MA, USA  
Diagn Interv Radiol ; : -

Abstract

 

A 56-year-old female with past medical history of thrombotic microangiopathy presented to her physician with non-specific abdominal pain.  A magnetic resonance imaging (MRI) scan was obtained that revealed 3.1cm mass arising from medial lower pole of the left kidney that was subsequently shown to be renal cell carcinoma (RCC) by percutaneous biopsy. Because of her history of thrombotic microangiopathy and other comorbidities, such was deemed a non-surgical candidate and was therefore referred to Interventional Radiology for thermal ablation. Computed tomography (CT)-guided microwave ablation was performed with the combined use of pyeloperfusion and hydrodissection for maximal ureteral protection.  Follow-up unenhanced CT scan obtained one month after ablation showed a normal collecting system without evidence of hydronephrosis or urinoma.

 

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