When is tumour ablation recommended for kidney cancer?

A clinician guides a probe through the skin and into the tumour, usually using imaging to position it accurately. Heat or freezing then damages the tumour cells. The approach treats a defined area rather than removing the kidney. Suitability depends on the tumour’s size, position and distance from nearby organs, as well as your overall health and kidney function.

A kidney specialist may compare ablation with partial kidney surgery, active surveillance or another treatment. Ablation can be attractive when a person has reduced kidney function, other health conditions, or more than one kidney tumour. It is not suitable for every tumour, and follow-up scans are needed to check the treated area.

Ask the treating team to explain the scan findings, the type of ablation proposed and how the probe would reach the tumour. Share medicines, bleeding problems, previous operations and any kidney disease. Ask how the treatment could affect kidney function, whether a tissue sample is needed, what follow-up imaging involves and what alternatives remain available.

Plan for the practical details in advance, including transport after the procedure and instructions about eating, drinking or medicines. Your team will tell you how to prepare and what symptoms should prompt a call.

Contact your care team promptly after ablation for worsening pain, fever, increasing redness or drainage at the probe site, difficulty passing urine, or blood in the urine that does not settle. Seek urgent help for severe weakness, fainting, trouble breathing or heavy bleeding. Before treatment, seek prompt medical advice for new severe flank pain, visible blood in the urine or inability to pass urine.

Ask: Is my tumour’s size and position suitable for ablation? Which method do you recommend, and why? How will nearby bowel, blood vessels or other structures be protected? What will follow-up scans look for, and what happens if tumour tissue remains?