Thyroid radiofrequency ablation (RFA) is a minimally invasive, non-surgical treatment used to reduce the size of benign thyroid nodules while preserving healthy thyroid tissue and normal thyroid function. Using targeted radiofrequency energy, RFA gradually shrinks thyroid nodules that may be causing neck discomfort, swallowing difficulty, pressure symptoms, or cosmetic concerns.
At Saint John’s Health Center, thyroid Radio Frequency Ablation is an out-patient procedure performed by an experienced specialist in advanced thyroid treatments and endocrine procedures. Our comprehensive thyroid program focused on symptom relief, thyroid preservation, and faster recovery. Through an expert evaluation, including ultrasound imaging and biopsy, we can quickly determine if thyroid nodules are benign (non-cancerous) and can be treated with RFA.
What Is Thyroid Radiofrequency Ablation (RFA)?
Thyroid radiofrequency ablation is an outpatient procedure that uses heat generated by radiofrequency energy to treat benign thyroid nodules. Guided by real-time ultrasound imaging, a thin probe is inserted into the thyroid nodule to precisely deliver controlled thermal energy that destroys targeted nodule tissue while minimizing disruption to surrounding structures.
Unlike thyroid surgery, RFA does not remove the thyroid gland and does not require general anesthesia. Over time, the treated thyroid nodule gradually shrinks as the body naturally reabsorbs the treated tissue.
Who Is a Candidate for Thyroid RFA?
Thyroid RFA may be an appropriate option for patients with benign thyroid nodules confirmed by biopsy who are experiencing symptoms, cosmetic concerns, or progressive nodule enlargement. RFA is generally reserved for appropriately selected benign thyroid nodules and is not routinely used to treat thyroid cancer.
Patients may be candidates for thyroid RFA if they:
- Have benign thyroid nodules confirmed through biopsy evaluation
- Experience neck pressure, fullness, or discomfort
- Have difficulty swallowing related to nodule size
- Notice visible enlargement or cosmetic concerns in the neck
- Wish to avoid thyroid surgery or general anesthesia
- Want to preserve normal thyroid function whenever possible
Benefits of Thyroid Radiofrequency Ablation
For selected patients, thyroid RFA offers several advantages compared with traditional thyroid surgery. Because the thyroid gland itself is preserved, many patients are able to avoid lifelong thyroid hormone replacement therapy associated with complete thyroid removal.
Potential benefits of thyroid RFA may include:
- No surgical incision
- No general anesthesia
- Preservation of healthy thyroid tissue
- Minimal recovery time
- Outpatient treatment
- Lower risk of visible scarring
- Gradual reduction in nodule size over time
- Return to normal activity within one to two days for most patients
Treatment recommendations are individualized based on nodule size, symptoms, imaging findings, and overall thyroid health.
Listen to Dr. Melanie Goldfarb discuss RFA for Thyroid
Dr. Melanie Goldfarb, Director, Center for Endocrine Tumors and Disorders, and Associate Professor of Surgery at Saint John’s Health Center discusses this novel RFA procedure.
What to Expect During Thyroid RFA
Thyroid RFA is performed in a controlled outpatient setting using ultrasound guidance to precisely target the thyroid nodule while protecting surrounding structures in the neck.
How the Procedure Works
During the procedure, local anesthesia is used to numb the treatment area while real-time ultrasound imaging guides treatment placement. A thin electrode probe is inserted into the thyroid nodule, and radiofrequency energy heats and ablates targeted nodule tissue. The procedure typically lasts between 30 and 60 minutes depending on nodule size, and patients remain awake and comfortable during treatment before returning home shortly afterward.
Precision Ultrasound Guidance
Continuous ultrasound guidance allows the treating physician to visualize the thyroid nodule throughout the procedure and carefully monitor treatment in real time. This precision-based approach helps preserve surrounding healthy thyroid tissue and nearby structures important to swallowing, speaking, and normal thyroid function.
Recovery and Results After Thyroid RFA
Recovery after thyroid RFA is typically faster than traditional thyroid surgery because the procedure does not involve removal of the thyroid gland or general anesthesia. Most patients experience gradual improvement in symptoms and cosmetic concerns as the treated nodule shrinks over time.
Early Recovery
Most patients experience only mild temporary symptoms after treatment, which may include mild neck soreness, temporary swelling, minor tenderness, or mild discomfort when swallowing. Most patients return to normal daily activities within 24 to 48 hours.
Gradual Nodule Shrinkage
Unlike surgery, thyroid RFA results develop gradually over time as the treated tissue is naturally reabsorbed by the body. Thyroid nodules typically continue shrinking during the weeks and months following treatment, leading to progressive improvement in neck pressure, swallowing symptoms, visible enlargement, and cosmetic concerns.
Clinical studies have demonstrated sustained reduction in benign thyroid nodule volume following radiofrequency ablation. Many patients continue experiencing improvement as treated nodules shrink over time.
| 6 months | 1 year | 2 years | 3 years | 4 years | 5 years | |
|---|---|---|---|---|---|---|
| All nodules | 56.2%* | 63%* | 67.4%* | 66.7% | 66.9% | 66.9% |
| Less than 10 mL in size | 79%* | 78% | 76.8% | 76.8% | 75% | 81.8% |
| Greater than 10 and less than 20 mL in size | 59%* | 66.7%* | 74.2%* | 74.2% | 70% | 74.5% |
| Greater than 20 mL in size | 54.5%* | 60.9%* | 62.4%* | 62.4% | 62% | 65.3% |
Follow-Up Monitoring
After thyroid RFA, follow-up care may include thyroid ultrasound monitoring, symptom evaluation, thyroid function testing when indicated, and periodic endocrine follow-up visits. Some larger thyroid nodules may require additional monitoring or, in selected cases, repeat treatment to optimize long-term results.
How Thyroid RFA Fits Into Thyroid Care
Thyroid radiofrequency ablation is part of a comprehensive approach to thyroid nodule management at Saint John’s Health Center. Treatment recommendations are individualized after careful endocrine evaluation, imaging review, and discussion of surgical and non-surgical options.
Before recommending RFA, patients typically undergo:
- Thyroid ultrasound
- Thyroid biopsy and molecular testing
- Endocrine consultation
- Review of treatment goals and symptoms
For appropriately selected patients, RFA offers an effective non-surgical treatment option while preserving thyroid tissue and minimizing recovery time.
Thyroid RFA and Thyroid Surgery
Both thyroid RFA and thyroid surgery may play important roles in thyroid nodule treatment depending on the diagnosis, biopsy findings, symptoms, and patient preferences.
When RFA May Be Preferred
RFA may be appropriate for patients with benign thyroid nodules who want to avoid surgery, preserve thyroid function, minimize recovery time, avoid a surgical scar, or who are not ideal surgical candidates.
When Surgery May Be Recommended
Surgery may still be the preferred treatment for thyroid cancer, suspicious or indeterminate nodules, very large thyroid growths, multinodular thyroid disease, or certain cases of hyperthyroidism. Your physician will help determine which treatment approach is most appropriate for your individual diagnosis and long-term thyroid health.
If you have questions regarding RFA treatments for benign thyroid nodules, please call today. Request an appointment
Melanie Goldfarb, M.D., M.Sc., FACS, FACE
Director, Center for Endocrine Tumors and Disorders
Medical Director for Cancer Survivorship
Dr. Melanie Goldfarb is a fellowship-trained endocrine surgeon and Director of the Center for Endocrine Tumors and Disorders. Her expertise is minimally invasive surgery for thyroid cancer and disorders, hyperparathyroidism, and adrenal tumors, including pheochromocytoma, Cushings, Conns, and adrenal cancer.
- Learn more about Dr. Melanie Goldfarb and access videos of patients who received RFA treatment.
- Meet the Endocrine Team
- Listen to a recent webinar on Radiofrequency Ablation (RFA) with Dr. Melanie Goldfarb.
