The thyroid gland consists of 2 lobes that look the same as the wings of a butterfly. The thyroid is ready to absorb iodine from food you consume. It's the sole gland in your body that can do this. Your thyroid takes the iodine and uses it to provide two main hormones, triiodothyronine conjointly called T3 and thyroxine known as T4. These are the hormones that regulate the rate that your body uses carbohydrates and lipids or fats. The thyroid conjointly helps control body temperature, heart rate, yet because the creation of proteins. Calcitonin, however another hormone the thyroid manufactures, is a hormone that regulates calcium level within the blood.
Though we have a tendency to haven't any definitive information as to the cause of most nodules and their onset, it's been found that there a sure issue that are associated with the onset. The list includes:
- Low quantity of iodine within the diet
- Hashimoto's disease, related to hypothyroidism
- Genetic defect within the receptors accountable for releasing TSH or thyroid-stimulating hormone
- Radiation treatments that were undergone at an early age such as in kid hood to the top or neck space
Numerous Nodule Sorts
There are completely different sorts of nodules that will develop within the thyroid gland:
Colloid nodule - The kind of nodule is noncancerous or benign. It manifests itself as an overgrowth of normal thyroid tissue. It is potential to own one colloid nodule or several. Though it's potential for these nodules to become larger in size, they are doing not unfold to different parts of the body and are contained only in they thyroid gland.
Follicular adenoma - This nodule type is also noncancerous or benign.
Thyroid cyst - These will be benign or malignant depending. These are fluid-stuffed areas of the thyroid glands that can differ in size. They can measure from but 1/three of an inch in diameter to over one one inch. Thyroid cysts are typically crammed with fluid. Some thyroid cysts have solid components. These are referred to as complex cysts. Fluid-stuffed cysts are generally benign. Advanced cysts will now and then be malignant.
Inflammatory nodule - This nodule kind may at times develop ensuing from chronic inflammation of the thyroid. This condition is termed thyroiditis. There is a rare type of thyroiditis called subacute thyroiditis, that is accompanied by severe pain inside the thyroid gland. There are more sorts of thyroiditis that are painless and generally happen after pregnancy. This is known as postpartum thyroiditis.
Thyroid cancer - There's only a tiny chance that nodules are cancerous if a physician determines that you've got any. If you have got a family history of thyroid cancer or any endocrine cancer, you may be at higher risk. Additionally, if you're a man younger than 30 years of age or older than sixty years old, with a history of head or neck radiation, you'd additionally be at risk. Cancerous nodules are usually giant in size and firm to the touch typically inflicting neck discomfort and/or pain.
Multinodular goiter - "Goiter" refers to any enlargement in the thyroid gland. The appearance of many nodules will lead to a goiter. This can be referred to as multinodular goiter. This condition causes tightness within the throat among issue in swallowing and breathing.
Hyperfunctioning thyroid nodule (toxic adenoma, toxic multinodular goiter, Plummer's disease) - TSH is released by the pituitary gland, which regulates the assembly of thyroid hormones. Hyperfunctioning thyroid nodules that become larger and actually manufacture thyroid hormones break away the influence of TSH or thyroid-stimulating hormone. Hyperfunctioning thyroid nodules create a state of affairs where there are high blood levels of thyroxine in the middle of low or maybe nonexistent levels of TSH. A genetic defect of TSH receptors might be a reason for overactivity of nodules.
Author Resource:
Carey Howard has been writing articles online for nearly 2 years now. Not only does this author specialize in Eating Disorders, you can also check out his latest website about: