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Liver Radiofrequency Ablation (RFA)

Image-guided thermal destruction of liver tumors

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Genel Cerrahi department. Book Appointment →

What is Liver Radiofrequency Ablation (RFA)?

RFA delivers alternating current through one or more needle electrodes placed in the tumor under ultrasound, CT or MRI guidance.

Most effective for tumors smaller than 3 cm; with larger tumors, multiple overlapping ablations or alternative methods (microwave, TACE) are considered.

Performed percutaneously, laparoscopically or during open surgery, generally under sedation or general anesthesia.

Considered curative-intent treatment for early-stage hepatocellular carcinoma (BCLC stage 0 or A) when surgery is not feasible.

Local control rates exceed 90 percent for tumors under 2 cm, falling to 60–70 percent for tumors 3–5 cm.

Symptoms

Indication: small hepatocellular carcinoma or limited liver metastases not suitable for resection or transplantation
Preoperative findings: cirrhosis with HCC on imaging, oligometastatic colorectal cancer, neuroendocrine metastases
Procedural course: outpatient or short hospital stay (1–2 days); local discomfort at the puncture site
Post-ablation syndrome (low-grade fever, fatigue, mild pain) for several days is common and self-limited
Imaging follow-up at 1 month and then every 3 months in the first year for residual or recurrent disease

Risk Factors

Tumor location near major vessels (heat sink effect) reduces ablation efficacy
Subcapsular tumors or those near gallbladder, bowel or diaphragm increase complication risk
Tumor size larger than 3 cm reduces complete ablation rates
Coagulopathy or thrombocytopenia must be corrected before treatment
Severe ascites or biliary obstruction may need to be addressed first

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Newly diagnosed early-stage HCC in a patient unsuitable for surgery or transplantation
  • Limited oligometastatic disease in patients with controlled primary cancer
  • Recurrent HCC after prior treatment in select patients
  • Postoperative warning signs: high fever, severe abdominal pain, gastrointestinal bleeding, jaundice
  • Worsening liver function or new symptoms suggesting decompensated cirrhosis after ablation

Treatment Methods

01
Multidisciplinary tumor board review (BCLC algorithm for HCC; tumor stage and burden for metastases)
02
Pre-procedure imaging (multiphasic CT or MRI), liver function (Child-Pugh), tumor markers
03
Image-guided electrode placement and controlled heating with real-time monitoring
04
Post-procedure imaging at 4–6 weeks to confirm complete ablation; further sessions if residual tumor
05
Combination with TACE for tumors 3–5 cm or in challenging locations to enhance response
06
Surveillance imaging and AFP every 3 months for 2 years, then every 6 months
07
Continued treatment of underlying liver disease (antiviral therapy in HBV/HCV cirrhosis, alcohol cessation)

Which Department to Visit?

You can visit our Genel Cerrahi department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.