Cryoablation, Radiofrequency Ablation, and High-Intensity Focused Ultrasound as Treatments for Renal Malignancies

The most common application of cryoablation is to ablate solid tumors found in the lung, liver, breast, kidney and prostate gland. The use in prostate and renal cryoablation are the most common. Although sometimes applied through laparoscopic or open surgical approaches, most often cryoablation is performed percutaneously (source: wikipedia.org).

The need for minimally invasive surgery in treating renal malignancy made Ablative Techniques as an evolved option treatment of the disease. It also approached the acceptance of a nephron-sparing management but Laparoscopy remains the most used modalities in treating both benign or malignant urology disorder for its benefit of decreased morbidity, decreased hospitalization time, and earlier return to full activity, according to the article in PubMed Journal of Urology.

It also described that ablative renal surgery is potentially less morbid than open partial nephrectomy, which may be associated with greater intraoperative and postoperative blood loss. Laparoscopic radical nephrectomy should be considered an oncological equivalent to the open radical nephrectomy. Percutaneous approaches have also been used to treat malignancy in patients who are not candidates for, or who refuse, open surgery.

Kent Perry, MD and colleagues from Department of Urology, University of California, Los Angeles, School of Medicine, Los Angeles, reviewed on three of the better-studied methods: cryoablation, radiofrequency ablation (RFA), and high-intensity focused ultrasound (HIFU) as treatments for renal malignancies in their articles.

It detailed cryosurgery that consist of equipment, techniques (Open, Laparoscopic, and Percutaneus), and monitoring. For radiofrequency ablation (RFA) and high-intensity focused ultrasound (HIFU), there were mechanism of action with its technique and monitoring.

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