Thyroid Nodule Specialists in Karnataka

Are most thyroid nodules cancerous?

No, the vast majority of thyroid nodules are benign, arising from colloid accumulation, cysts, or benign adenomas, with only a small percentage representing thyroid cancer. This is why many nodules are simply monitored with periodic ultrasound rather than immediately biopsied or removed.

How are thyroid nodules evaluated to rule out cancer?

Evaluation typically includes a thyroid ultrasound to assess the nodule's features, thyroid function blood tests, and fine-needle aspiration biopsy for nodules with suspicious features on ultrasound, which together determine whether a nodule is benign or requires further treatment. The specific ultrasound characteristics of a nodule strongly influence whether biopsy is recommended.

Do all thyroid nodules need to be removed?

No, benign nodules are often simply monitored with periodic ultrasound rather than surgically removed, while nodules that are large, growing, or biopsy-confirmed to be cancerous are surgically removed, sometimes along with the entire thyroid gland. The decision depends on the nodule's size, growth pattern, and biopsy results.

Why are thyroid nodules so common?

They are detectable on ultrasound in up to half of adults, often arising from localized overgrowth of thyroid cells related to factors like iodine deficiency or autoimmune thyroid conditions such as Hashimoto's thyroiditis rather than a systemic disease process. Most people with a nodule never know they have one unless it's found incidentally during imaging for another reason.

What symptoms should prompt evaluation of a neck lump?

A visible or palpable lump in the neck, difficulty swallowing, hoarseness of voice, or a feeling of pressure or fullness in the neck should prompt evaluation, even though most nodules causing these symptoms turn out to be benign. Prompt evaluation of any new neck lump remains a sensible precaution rather than an alarming necessity.