Most thyroid nodules do not cause symptoms. Thus, most people may only realize they have a thyroid nodule when it is large enough to be noticed in the mirror, or found by chance during a physical examination, or incidentally picked up on investigations like ultrasounds, CT scans or PET scans.
Some symptoms may include:
While symptoms of thyroid nodules are gradual and may not be very obvious, complications such as bleeding into the thyroid cyst or nodule may cause a sudden and painful swelling in the neck. Patients who have advanced thyroid cancer may also have a hoarse voice and difficulty swallowing.
If you have a lump in the middle of your neck (below your Adam’s apple) or just off the centre, which moves with swallowing, it is probably a thyroid nodule. Your doctor will be able to confirm this finding. The lump you feel may be either a solitary nodule or a dominant nodule in a background of multiple nodules, or even a diffusely enlarged thyroid gland.
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