At Healing Hospital, we understand that discovering a thyroid nodule can be unsettling. While most thyroid nodules are benign, some continue to grow over time causing visible neck swelling, difficulty swallowing, voice changes, or cosmetic concerns. Traditionally, these nodules were treated with surgery. Today, carefully selected patients may benefit from a minimally invasive alternative that preserves the thyroid gland.
Our Department of Interventional Radiology offers Microwave Thyroid Ablation (MTA), an advanced, image-guided procedure that treats benign thyroid nodules without the need for open surgery. Using precise thermal energy delivered under continuous ultrasound guidance, the procedure destroys the targeted nodule(s) while protecting the surrounding healthy thyroid tissue. The treated nodule gradually shrinks over the following months, relieving symptoms and improving neck appearance without leaving a surgical scar.
Every patient undergoes a comprehensive evaluation before treatment, including thyroid ultrasound, thyroid function tests, and fine-needle aspiration cytology (FNA) whenever indicated, to confirm that the nodule is suitable for ablation. Our multidisciplinary team then develops an individualized treatment plan based on the nodule’s size, location, symptoms, and imaging findings, ensuring safe, evidence-based care with long-term follow-up.
What is Microwave Thyroid Ablation?
Microwave Thyroid Ablation (MWA) is a minimally invasive, ultrasound-guided procedure used to treat selected benign thyroid nodules without removing the thyroid gland. Instead of making a surgical incision, a thin microwave probe is inserted directly into the thyroid nodule under local anaesthesia. The probe delivers controlled microwave energy, generating heat that destroys the abnormal tissue while preserving the surrounding healthy thyroid gland.
Following the procedure, the body gradually absorbs the treated tissue over the next several months, leading to progressive shrinkage of the nodule. As the nodule becomes smaller, symptoms such as neck swelling, difficulty swallowing, pressure, and cosmetic concerns often improve significantly.
The procedure is usually completed within 45 to 60 minutes, requires only local anaesthesia, and allows same-day discharge in most cases. Because the thyroid gland is preserved, many patients continue to maintain normal thyroid function, making microwave ablation a safe and effective alternative to surgery for appropriately selected benign thyroid nodules.
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Who should consider undergoing it?
Microwave Thyroid Ablation may be recommended for carefully selected patients with benign thyroid nodules, particularly when the nodules cause symptoms or continue to increase in size. You may be a suitable candidate if you have:
- Benign thyroid nodules confirmed through appropriate evaluation (such as ultrasound and FNA), causing symptoms or cosmetic concerns.
- Growing thyroid nodules that show a progressive increase in size during follow-ups.
- Compression symptoms including difficulty swallowing, a sensation of pressure in the neck, throat discomfort, or breathing difficulty caused by the nodule.
- Visible neck swelling that affects appearance or self-confidence.
- Autonomously functioning (hyperfunctioning) thyroid nodules causing excess thyroid hormone production and hyperthyroidism in appropriately selected cases.
- Recurrent benign thyroid nodules after previous thyroid surgery, where further surgery may be less desirable.
- Patients who are not ideal candidates for surgery due to medical conditions or those who prefer a minimally invasive, scarless alternative.
- Selected patients with multiple benign thyroid nodules, where one or more symptomatic nodules require treatment.
Note: Microwave Thyroid Ablation is not suitable for every thyroid nodule. A thorough clinical assessment, thyroid ultrasound, thyroid function tests, and, where indicated, fine-needle aspiration cytology (FNA) are essential to determine whether this procedure is the most appropriate treatment option.
What Happens Before, During, and After the Microwave Ablation Procedure?
Before the Procedure
Comprehensive Evaluation
Before treatment, our interventional radiologists perform a detailed assessment to ensure microwave ablation is the right option. This typically includes:
- High-resolution thyroid ultrasound
- FNA (Fine Needle Aspiration Cytology) to confirm the nodule is benign
- Thyroid function tests (TSH, T3, T4)
- Clinical evaluation of symptoms and cosmetic concerns
Personalized Treatment Planning
Based on your reports, the team explains the procedure, expected outcomes, recovery, benefits, possible risks, and whether microwave ablation is the most appropriate treatment compared to surgery or continued observation.
During the Procedure
Local Anaesthesia
The procedure is performed under local anaesthesia, which numbs the treatment area while allowing you to remain awake and comfortable throughout. Since no general anaesthesia is required, you can communicate with the medical team at any time during the procedure.
Ultrasound-Guided Needle Placement
Using continuous high-resolution ultrasound guidance, a fine microwave antenna is precisely inserted into the thyroid nodule. Real-time imaging ensures accurate needle placement while protecting the surrounding healthy thyroid tissue and nearby vital structures.
Microwave Ablation
Controlled microwave energy is delivered through the antenna to generate heat within the nodule, destroying the targeted tissue while preserving the healthy thyroid gland. Continuous ultrasound monitoring helps ensure precise treatment and patient safety throughout the procedure.
Precision Ablation Technique
The nodule is treated systematically from deep to superficial areas to achieve complete coverage and uniform ablation. Most patients experience only a mild sensation of warmth or pressure, with little to no discomfort during the procedure.
After the Procedure
Recovery and Observation
After the procedure, you will be observed for a short period while our team monitors your recovery. Mild neck discomfort or swelling may occur but usually resolves within a few days with ice packs and simple pain-relief medication, if required.
Same-Day Discharge
Microwave thyroid ablation is performed as a day-care procedure, allowing most patients to return home within 4-6 hours. You can resume a normal diet the same day and return to your routine activities or work within 24–48 hours, depending on your recovery and your doctor's advice.
Success & Recovery Factors
Safe, Image-Guided Precision
The procedure is performed under continuous ultrasound guidance, allowing precise placement of the microwave probe and targeted treatment of the nodule while protecting nearby structures such as the normal thyroid tissue, blood vessels, nerves, and windpipe. Careful patient selection and specialist expertise are key factors in achieving safe and successful outcomes.
Scarless Treatment with Excellent Cosmetic Outcomes
Microwave Thyroid Ablation is performed through a small needle puncture rather than a surgical incision. The tiny puncture usually heals within a few days, leaving little to no visible scarring. This makes it an excellent option for individuals with visible neck nodules who wish to avoid the permanent scar associated with conventional thyroid surgery.
Preserves the Thyroid Gland and Its Function
Unlike conventional thyroid surgery, which removes part or all of the thyroid gland, microwave ablation targets only the thyroid nodule while preserving the surrounding healthy thyroid tissue. As a result, many patients maintain normal thyroid function after treatment.
Faster Recovery and Same-Day Discharge
The procedure is typically performed under local anaesthesia and is completed within 45 to 60 minutes. Since there is no surgical incision, recovery is generally quicker than with conventional surgery. Most patients are discharged on the same day and can return to their routine daily activities within a short period, following their treating specialist's advice.
Progressive Nodule Shrinkage
Unlike surgery where the nodule is removed immediately, microwave ablation works by destroying the nodule from within. Over the following weeks and months, the body naturally absorbs the treated tissue, leading to a gradual reduction in nodule size and improvement in symptoms such as neck swelling, pressure, or difficulty swallowing.
Why Choose Healing Hospital in Chandigarh for Microwave Thyroid Ablation?
Advanced Interventional Radiology Expertise : Microwave Thyroid Ablation is performed by our Department of Interventional Radiology, which specializes in minimally invasive, image-guided procedures. Every patient undergoes a detailed clinical assessment, imaging review, and treatment planning to ensure that microwave ablation is the most appropriate option based on the characteristics of the thyroid nodule.
Precision Image-Guided Technology : The procedure is performed under continuous, high-resolution ultrasound guidance. It, thus, allows the accurate placement of the microwave probe and precise delivery of thermal energy to the thyroid nodule while protecting the surrounding healthy thyroid tissue and other vital neck structures. This precision contributes to effective treatment with a strong focus on safety and thyroid preservation.
Comprehensive Thyroid Care Under One Roof : From thyroid ultrasound, thyroid function testing, and FNA interpretation to image-guided ablation, post-procedure monitoring, and long-term follow-up, the patients receive comprehensive thyroid care at a single centre. Our multidisciplinary approach ensures coordinated evaluation, individualized treatment planning, and ongoing monitoring to assess nodule shrinkage, symptom improvement, and thyroid function after treatment.
What are Its Advantages?
Microwave Thyroid Ablation offers several advantages over conventional thyroid surgery in appropriately selected patients:
- Scar-free treatment with only a tiny needle puncture
- Performed under local anaesthesia
- Minimally invasive outpatient procedure
- Typically completed within 45–60 minutes
- Same-day discharge in most cases
- Faster recovery with minimal disruption to daily activities
- Preserves the healthy thyroid gland and, in many patients, normal thyroid function
- Effective relief from symptoms such as neck swelling, pressure, and difficulty swallowing
- Lower risk of complications compared with conventional surgery in appropriately selected benign thyroid nodules
- May reduce the need for hospitalisation and prolonged recovery, making it a cost-effective treatment option for eligible patients
What are its Potential Risks & Complications?
Microwave Thyroid Ablation is generally considered a safe procedure when performed by experienced specialists under ultrasound guidance. However, like any medical procedure, it carries certain risks and potential complications.
Incomplete Nodule Ablation
Large or complex thyroid nodules may not shrink completely after a single treatment session. In selected cases, an additional ablation session may be recommended to achieve optimal long-term results.
Temporary Voice Changes
The nerves controlling the vocal cords lie close to the thyroid gland. Temporary hoarseness or voice changes may occur in a small number of patients but usually improve within a few weeks. Permanent nerve injury is uncommon when the procedure is performed using meticulous, image-guided techniques.
Mild Neck Swelling or Bruising
Some patients may experience mild swelling, bruising, or tenderness around the treatment site for a few days. These symptoms generally resolve with simple measures such as cold compresses and prescribed medications.
Mild Pain or Discomfort
Temporary throat discomfort or mild neck pain is common during the first few days after the procedure and is usually well controlled with oral pain-relieving medications.
Bleeding or Infection
Although uncommon, minor bleeding, hematoma formation, or infection can occur at the needle insertion site. Strict sterile precautions and careful procedural technique help minimise these risks.
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Frequently Asked Questions (FAQs)
Is microwave ablation as effective as a thyroid surgery?
For appropriately selected benign thyroid nodules, microwave ablation provides excellent clinical outcomes by significantly reducing nodule size and relieving symptoms without removing the thyroid gland. Most nodules shrink by 50–80% or more over time, leading to improvement in cosmetic concerns and pressure-related symptoms. It offers a minimally invasive alternative with no surgical scar, faster recovery, and preservation of normal thyroid function.
How long does the microwave thyroid ablation procedure take?
The procedure itself usually takes 45-60 minutes, depending on the size and number of thyroid nodules being treated. Including preparation and post-procedure observation, most patients spend 4-6 hours at the hospital and are discharged the same day.
Will the thyroid nodule come back after microwave ablation?
The treated nodule tissue is permanently destroyed and gradually shrinks over the following months. While most patients experience significant long-term reduction in nodule size, a small amount of residual tissue may remain in some cases. Rarely, additional treatment may be recommended if symptoms persist or the nodule enlarges again.
Is microwave thyroid ablation painful?
The procedure is performed under local anaesthesia and is generally well tolerated. Most patients experience only mild pressure or a warm sensation during treatment. Any discomfort after the procedure is usually mild and can be managed with routine pain-relieving medication.
Can cancerous thyroid nodules be treated with microwave ablation?
Microwave ablation is primarily recommended for benign thyroid nodules that have been confirmed through appropriate evaluation, including ultrasound and FNAC or biopsy where indicated. Patients with suspected or confirmed thyroid cancer generally require a different treatment approach, which may include surgery or other therapies based on specialist evaluation.
How much does microwave thyroid ablation cost near me in Chandigarh?
The cost varies depending on factors such as the size, number, and complexity of the thyroid nodules, along with any investigations required before the procedure. For a personalised treatment plan and detailed cost estimate, please contact our Interventional Radiology team at +91-9464343434.
How do I schedule a consultation for microwave thyroid ablation at Healing Hospital?
You can schedule a consultation by calling +91-9464343434and connecting with our Interventional Radiology team. If available, bring your previous thyroid ultrasound reports, FNAC/biopsy reports, thyroid function test results, and any relevant medical records. Our interventional radiologists will evaluate your condition and determine whether microwave thyroid ablation is the most suitable treatment option for you.