Many of the renal tumors that have a large and extensive blood supply.
Sometimes excision surgery is more difficult and risky due to high vascularity, large size, and invasion of adjacent blood vessels or organs.
24-48 hrs before surgery angioembolisation is planned, by which the blood supply of the tumor is completely stopped or decreased.
In angioembolisation, a catheter is placed into an artery (usually in the leg) and reaches arteries supplying the tumor. Material is injected to block off the blood supply to the tumor. There are many different kinds of materials available for this, depending on the type of tumor, its location, and the size of the blood vessels.
Preoperative renal artery embolization can minimize the blood loss associated with nephrectomy and also minimizes post-infarction syndrome which ultimately reduces hospital costs compared with traditional nephrectomy / laparoscopic nephrectomy approaches.
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