Many people may have accidentally felt a “small lump” under the Adam’s apple or noticed abnormal swelling in the neck. The first question that follows is Is this thyroid cancer?
The truth is that most thyroid nodules are not cancerous, but it should not be ignored because in some cases, it may be a sign of a condition that requires proper diagnosis.
What is the thyroid gland and where is it located?
The thyroid gland is a butterfly-shaped endocrine gland located at the front of the neck. It produces hormones that regulate metabolism, energy, body temperature, heart rate, and the function of many systems in the body. When a “lump” occurs in the thyroid gland, it may be caused by several reasons such as:
- Thyroid cyst
- Benign tumor (Benign Nodule)
- Thyroiditis
- Or in some cases, it may be thyroid cancer
How likely is a lump in the neck to be cancer?
Medical statistics show that approximately 80–90% of thyroid nodules are benign. Thyroid cancer is relatively rare compared to all nodules and is usually a type that responds well to treatment if detected early. The most common type is papillary thyroid cancer.
What symptoms should prompt you to see a doctor immediately?
Although most nodules are not cancerous, you should seek medical evaluation promptly if you have any of the following symptoms:
- Rapidly growing lump
- Persistent hoarseness
- Difficulty swallowing or breathing
- Palpable lymph nodes in the neck
- Family history of thyroid cancer
- History of radiation exposure to the neck during childhood
Diagnostic tests
1. Thyroid Ultrasound is the primary examination to observe details of the nodule such as:
- Size and location
- Characteristics of the nodule’s borders
- Density or presence of calcifications
- Spread to nearby lymph nodes
2. Fine Needle Aspiration (FNA) If the nodule meets suspicious criteria, the doctor will perform FNA guided by ultrasound for accuracy. This method uses a small needle to extract cells from the nodule for pathological examination. It is the international standard to differentiate between:
- Benign nodules
- Risky nodules
- Or thyroid cancer
3. Blood tests to assess thyroid function measure hormone levels such as TSH, Free T4, and other related values to determine if the thyroid is functioning normally, hyperthyroid, or hypothyroid. Sometimes nodules are related to hormonal abnormalities rather than cancer.
If it is thyroid cancer, how is it treated?
Treatment depends on the type, size, and stage of the disease and generally includes:
1. Surgery (Thyroid Surgery) is the main treatment for most patients. The method is chosen based on suitability, such as:
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- Partial thyroidectomy (Lobectomy) is suitable for small cancers confined to one side.
- Total thyroidectomy is used for large nodules, multiple locations, or high-risk cases.
2. Radioactive Iodine (RAI) After surgery, some patients may receive radioactive iodine treatment to destroy any remaining thyroid cells and reduce the chance of recurrence. Not all patients require RAI; doctors will assess based on individual risk levels.
3. Thyroid Hormone Therapy After surgery, especially in patients who have had their entire thyroid removed, lifelong thyroid hormone replacement is necessary. Besides hormone replacement, it also helps control TSH levels to reduce the risk of stimulating any remaining cancer cells.
Why choose to treat thyroid cancer at Phyathai 2 Hospital?
Treating thyroid cancer is not just about surgery; it requires accurate diagnosis, personalized treatment planning, and systematic long-term follow-up.
At Phyathai 2 Hospital, we provide comprehensive care from initial nodule assessment to post-treatment follow-up, with key strengths including:
- Multidisciplinary specialist team including endocrinologists, specialized surgeons, nuclear medicine physicians, and pathologists working together to plan appropriate treatment for each patient.
- Accurate diagnostic technology with high-resolution ultrasound, ultrasound-guided FNA, and standard laboratories to ensure precise diagnosis and reduce unnecessary treatments.
- Surgery focused on safety and quality of life The thyroid is near nerves controlling the voice and parathyroid glands. Surgery requires expertise to minimize complications, preserve voice quality, and ensure good cosmetic outcomes.
- Long-term follow-up system with protocols for monitoring hormone levels, Thyroglobulin, and ultrasound at scheduled intervals to continuously watch for recurrence.
Finding a lump in the neck does not always mean cancer because most nodules are benign. However, the important thing is “do not leave it unchecked.”
Accurate diagnosis from the start helps differentiate benign nodules from risky ones. If it is thyroid cancer, there are effective treatments with high survival rates, especially when detected early.
If you find a lump in your neck or have suspicious abnormal symptoms, seeing a specialist for evaluation is the most important first step to ensure that every step is under effective medical standards and prioritizes quality of life.
Dr. Angkur Anuwong
Specialist in Endoscopic Surgery
Phyathai 2 Hospital
