Thyroid Surgery: When Is It Needed and What Should Patients Expect?

 

When is Thyroid Surgery Needed?

Thyroid surgery is recommended for a variety of conditions that affect the thyroid gland. The primary goal is to remove diseased or problematic tissue while preserving as much healthy tissue as possible, if appropriate. Here are the main indications:

• Thyroid Cancer: This is the most common reason for thyroid surgery. If a biopsy confirms thyroid cancer, surgery is typically the first line of treatment to remove the cancerous cells and often the entire gland, especially in cases of aggressive or widespread cancer. Early detection and surgical intervention lead to an excellent prognosis, with a 5-year survival rate of over 98% for localised thyroid cancer.

• Large Goitre or Nodules Causing Symptoms: A goitre is an enlargement of the thyroid gland. While many goitres are benign, very large goitres or dominant thyroid nodules can cause symptoms like difficulty swallowing (dysphagia), breathing problems (dyspnea), or hoarseness by pressing on the trachea or oesophagus. In such cases, surgical removal can alleviate these symptoms.

• Overactive Thyroid (Hyperthyroidism) Not Responding to Other Treatments: Conditions like Graves' disease can cause the thyroid to produce too much hormone. If anti-thyroid medications or radioactive iodine therapy are not effective, well-tolerated, or contraindicated, surgery (total or subtotal thyroidectomy) may be performed to control hormone production. Many patients experience resolution of hyperthyroidism symptoms following surgery, with a success rate exceeding 90%.

• Suspicious Thyroid Nodules: If a thyroid nodule's biopsy results are inconclusive, or if there's a strong suspicion of malignancy based on imaging or clinical findings, surgery may be recommended to definitively diagnose and treat the nodule. While many nodules are benign, approximately 5-15% of thyroid nodules are found to be malignant.

• Cosmetic Concerns: In rare cases, a significantly enlarged thyroid or prominent nodules that cause cosmetic distress for the patient might be a reason for surgery, especially if other treatments are not suitable.

What to Expect: Before Surgery

Preparation is key to a successful surgical outcome. Your medical team will guide you through each step:

• Thorough Evaluation: This includes blood tests (to check thyroid hormone levels), imaging studies (ultrasound, CT scan, or MRI), and often a fine-needle aspiration (FNA) biopsy to assess any nodules.

• Medication Review: You'll need to inform your doctor about all medications, supplements, and herbal remedies you are taking. Certain medications, like blood thinners, may need to be adjusted or stopped prior to surgery.

• Pre-operative Instructions: You will receive specific instructions regarding fasting before surgery, typically including no food or drink after midnight the day before your procedure.

• Anaesthesia Consultation: An anesthesiologist will discuss the type of anaesthesia you will receive and address any concerns you may have.

What to Expect: During Surgery

Thyroid surgery is performed under general anaesthesia, meaning you will be asleep throughout the procedure. The specific technique depends on the extent of the surgery needed:

• Incision for Thyroid Surgery: The most common approach involves a small incision, usually 2 to 6 cm long, made horizontally in a skin crease at the base of the neck. This strategic placement helps minimise the visibility of the scar post-recovery. In some cases, minimally invasive techniques using smaller incisions or even robotic surgery may be employed.

• Types of Thyroidectomy:

  • Total Thyroidectomy: The entire thyroid gland is removed. This is common for thyroid cancer surgery or very large goitres.

  • Lobectomy/Hemithyroidectomy: Only one lobe of the thyroid gland is removed. This might be an option for a single suspicious nodule or a benign goitre affecting only one side, potentially avoiding the need for lifelong thyroid hormone replacement.

  • Isthmusectomy: Only the central part of the thyroid (isthmus) is removed. This is rare and typically done for small nodules confined to this area.

• Duration: The surgery typically lasts between one and three hours, depending on the complexity of the case.

What to Expect: After Surgery (Recovery)

Recovery is generally smooth, and most patients are discharged within 1-2 days after surgery.

• Pain Management: You will experience some neck pain or soreness, which can be managed with pain medication.

• Voice Changes: Temporary hoarseness or voice changes are common due to irritation or stretching of the recurrent laryngeal nerve during surgery. Permanent voice changes are rare, occurring in less than 1% of cases.

• Calcium Levels: The parathyroid glands, which regulate calcium, are located near the thyroid. Their function may be temporarily affected, leading to a drop in calcium levels. You may receive calcium supplements for a few days or weeks.

• Scar Care: The incision for thyroid surgery will be small and usually heals well. Your surgeon will provide instructions on how to care for the incision to minimise scarring. Most scars fade significantly over 6-12 months.

• Thyroid Hormone Replacement: If a total thyroidectomy is performed, you will need to take thyroid hormone replacement medication for the rest of your life. This is a simple daily pill that replaces the hormones your thyroid no longer produces. Regular monitoring of hormone levels ensures proper dosage.

• Follow-up: Regular follow-up appointments are crucial to monitor your recovery, check hormone levels, and ensure there are no complications. Studies show that over 85% of patients report a good quality of life one year after thyroidectomy.

If you are experiencing symptoms related to your thyroid or have been diagnosed with a thyroid condition, understanding your treatment options is the first step towards better health. Our specialists at Manipal Hospitals are dedicated to providing personalised care, ensuring you receive the most effective and compassionate treatment. Book an appointment with our expert general surgeons or endocrinologists at Manipal Hospitals today to discuss your thyroid health.