A 49-year-old man presented with right flank pain. Angiography revealed a giant right renal arterial aneurysm. Giant renal arterial aneurysms are typically treated by nephrectomy. In this patient the aneurysm was embolized successfully with multiple Gianturco-Wallace coils and polyvinyl alcohol. This case indicates that embolization may be a reasonable alternative to nephrectomy.
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