By Dr Nikhil Ghadyalpatil
When 28-year-old Ananya first noticed a small, firm bump at the base of her neck while applying moisturiser, she felt alright for some time. It didn’t hurt, it didn’t interfere with her breathing and she felt perfectly healthy. Like many, she assumed it was a result of a recent cold or perhaps just a “muscle knot.”
Months passed, and the lump remained painless, persistent and subtly growing. It was only during a routine dental check-up that her dentist suggested she see a specialist. That “painless swelling” turned out to be papillary thyroid cancer – a type of thyroid cancer.
Ananya’s story is a classic example of why thyroid cancer is often called a “silent” disease. Unlike many infections that announce themselves with pain or fever, thyroid cancer often moves in silence, making awareness our most powerful tool for early detection.
The thyroid is a butterfly-shaped gland located at the front of your neck, responsible for regulating metabolism. Because it sits just beneath the skin, abnormalities often manifest as visible or palpable changes.
While most neck lumps (nodules) are benign (not related to cancer), certain signs should trigger an immediate medical consultation. These are:
A painless lump: The most common presenting symptom. Because it doesn’t hurt, patients often delay seeking help.
Voice changes: Persistent hoarseness or a “gravelly” voice or a change of voice that doesn’t go away.
The “fullness” sensation: A feeling that something is stuck in the throat or difficulty swallowing (dysphagia).
Swollen lymph nodes (glands in the neck): Enlargement in the neck area that doesn’t resolve after a week or two.
If you have the presence of a suspicious lump, the diagnostic journey is usually straightforward.
1. Ultrasound: This is the first line of defence to see if a nodule is solid or fluid-filled.
2. Fine needle aspiration cytology (FNAC): A simple, minimally invasive procedure where a thin needle takes a small cell sample for biopsy.
3. Blood tests: To check thyroid function levels (TSH, T3, T4) and specific markers like calcitonin.
While most cases are sporadic, genetics play a critical role in certain types, such as medullary thyroid cancer (MTC). If there is a family history of MTC or a condition called multiple endocrine neoplasia (MEN), genetic testing for the RET proto-oncogene – a type of cancer gene – is vital.
Knowing your genetic risk can lead to life-saving preventive measures for you and your family.
The “good news” in the world of oncology is that thyroid cancer is one of the most treatable and curable forms of the disease.
Surgery: Often the primary treatment, involving a partial or total thyroidectomy.
Radioactive iodine (RAI) therapy: A specialised treatment where the patient swallows a small amount of radioactive iodine to destroy any remaining cancer cells without the side effects of traditional chemotherapy.
In advanced stages, targeted therapy and radiation can be considered depending on the type and symptoms, etc.
Hormone replacement: Since the thyroid is removed, a simple daily tablet of thyroid hormone replaces the hormones the body needs to stay energised.
The rule of thumb is simple. Any new, firm or enlarging lump in the neck that lasts more than two weeks requires a professional evaluation.
Do not wait for pain. In the case of thyroid cancer, the absence of pain is not a sign of safety – it is often the very reason to pay closer attention. Early detection transforms a potentially frightening diagnosis into a manageable, curable journey.
Dr Nikhil Ghadyalpatil is the director of Medical Oncology at Apollo Cancer Centre in Jubilee Hills, Hyderabad
