V1270: Cryoablation Management of a Complex Central Lesion in a Solitary Kidney

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Introduction and Objectives
Cryoablation has proven effective for the treatment for small renal masses in patients with multiple medical comorbidities. Cryoablation may be an effective minimally invasive tool for complex central lesions as it may help preserve renal function and minimize complications.

Methods
We performed minimally invasive treatment of a 69 year old man with a right sided 3.2cm complex central renal mass in a solitary kidney. He had a prior radical nephrectomy for a T2 conventional renal cell carcinoma on the left side and multiple medical comorbidities. The patient refused active surveillance.

Results
We performed a laparoscopic cryoablation of the renal mass with control of the renal hilum and ultrasound guidance. Residual tumor was present on follow-up imaging, and was treated with percutaneous cryoablation. Pathology demonstrated Renal Cell Carcinoma, Clear Cell Type, Fuhrman grade 2. Follow-up showed no evidence of recurrent disease on imaging and preservation of his renal function.

Conclusions
Cryoablative techniques can be successfully employed to treat kidney cancer in patients with multiple comorbidities and minimal renal reserve.

Funding: None