Subtitle: Danger of Thyroid Nodules
A thyroid nodule is a lump that can form in the thyroid gland, a butterfly-shaped organ located in the lower part of the neck. While most thyroid nodules are non-cancerous and harmless, some can be cancerous or cause problems if they get too large. So, how large does a nodule in the thyroid need to be for it to be dangerous?
Ultrasound is the most common way to diagnose a thyroid nodule. During an ultrasound, sound waves are used to create an image of the thyroid gland, showing any nodules that may be present. The size of the nodule is then measured in millimeters, with cancerous nodules typically being larger than 10 millimeters (mm).
Thyroid Scan is another diagnostic tool used to determine the size of a thyroid nodule. During this test, a small amount of radioactive iodine is injected into the body and then a special camera is used to detect the radiation emitted from the thyroid gland. The size of any nodules present can then be measured.
Thyroid Biopsy can also be used to determine the size of a thyroid nodule. During this test, a sample of tissue is taken from the nodule and then examined under a microscope. This can help to determine if the nodule is cancerous or benign.
It is important to note that the size of a thyroid nodule is not the only factor that determines whether it is dangerous or not. Other factors such as the type of tissue present in the nodule, the presence of suspicious features such as calcifications, and the presence of any symptoms such as a lump in the throat can all be taken into consideration.
In general, nodules larger than 20 mm are considered to be potentially dangerous and warrant further investigation. However, it is important to speak to your doctor if you notice any changes in your thyroid or if you feel a lump in your throat as these could be signs of a dangerous thyroid nodule.