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Successful conservative management of a colorenal fistula complicating percutaneous cryoablation of renal tumors: a case report.


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Authors

Morgan, Amir Is 
Doble, Andrew 
Davies, R Justin 

Abstract

INTRODUCTION: Colorenal fistula is a rare phenomenon and may complicate percutaneous cryoablation of renal cell carcinoma. Treatment remains controversial. CASE PRESENTATION: A 62-year-old Caucasian man presented with pneumaturia and left flank pain six weeks following ultrasound-guided percutaneous cryoablation of two recurrent lesions in the left kidney 14 years after partial left nephrectomy for a left renal cell carcinoma. A computed tomography scan eight weeks after cryoablation revealed a cryoablated mass with adjacent stranding and adherent descending colon as well as bubbles of gas in the area of stranding, the left collecting system, and the bladder. These features were consistent with a colorenal fistula at the site of previous ablation. Successful resolution of the fistula, both clinical and radiological, was achieved following a complete conservative non-interventional out-patient approach. No ureteric stent or surgical intervention was employed. CONCLUSIONS: In the absence of severe symptoms or sepsis, complete conservative management of a colorenal fistula complicating percutaneous cryoablation of renal tumors should be considered prior to interventional stenting or resectional surgery.

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Keywords

32 Biomedical and Clinical Sciences, 3202 Clinical Sciences, Clinical Research, Biomedical Imaging, Kidney Disease, Cancer, Urologic Diseases, Rare Diseases, 6.4 Surgery, Renal and urogenital

Journal Title

J Med Case Rep

Conference Name

Journal ISSN

1752-1947
1752-1947

Volume Title

Publisher

Springer Science and Business Media LLC