Abstract
We report a case each of duodenorenal and colorenal fistula that arose after computed tomography-guided percutaneous cryoablation (PCA) for renal cell carcinoma and use imaging and endoscopic findings to analyze their causes and mechanisms. Both complications occurred though the edge of the iceball did not touch the intestinal wall, and patients’ symptoms and fistula formation occurred several days after the PCA procedure. Based on imaging and endoscopy findings, we suspected the colorenal fistula resulted from bowel injury caused by ischemia from the occlusion of small vessels at the procedure’s low temperature. Both cases were resolved conservatively without surgical intervention.
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Shimizu, K., Mogami, T., Michimoto, K. et al. Digestive Tract Complications of Renal Cryoablation. Cardiovasc Intervent Radiol 39, 122–126 (2016). https://doi.org/10.1007/s00270-015-1110-7
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DOI: https://doi.org/10.1007/s00270-015-1110-7