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Thyroid dysgenesis is a cause of congenital hypothyroidism [1] where the thyroid is missing (thyroid agenesis), ectopic, or severely underdeveloped. It should not be confused with iodine deficiency , or with other forms of congenital hypothyroidism , such as thyroid dyshormonogenesis , where the thyroid is present but not functioning correctly.
Echogenicity (sometimes as echogenecity) or echogeneity is the ability to bounce an echo, e.g. return the signal in medical ultrasound examinations. In other words, echogenicity is higher when the surface bouncing the sound echo reflects increased sound waves.
Thyroid disease is a medical condition that affects the function of the thyroid gland. The thyroid gland is located at the front of the neck and produces thyroid hormones [1] that travel through the blood to help regulate many other organs, meaning that it is an endocrine organ. These hormones normally act in the body to regulate energy use ...
Thyroiditis is generally caused by an immune system attack on the thyroid, resulting in inflammation and damage to the thyroid cells. This disease is often considered a malfunction of the immune system and can be associated with IgG4-related systemic disease, in which symptoms of autoimmune pancreatitis, retroperitoneal fibrosis and noninfectious aortitis also occur.
The thyroid, or thyroid gland, is an endocrine gland in vertebrates. In humans, it is a butterfly-shaped gland located in the neck below the Adam's apple. It consists of two connected lobes. The lower two thirds of the lobes are connected by a thin band of tissue called the isthmus (pl.: isthmi).
Considering the many signs and symptoms, the generally delayed diagnosis, and the possibility of residual complaints after treatment, it is little wonder that a significant number of people with Graves' disease have difficulty keeping their job. One study found that of 303 patients successfully treated for hyperthyroidism (77% had Graves ...
Thyroid dyshormonogenesis is a rare condition due to genetic defects in the synthesis of thyroid hormones. [ 1 ] [ 2 ] It is due to either deficiency of thyroid enzymes, inability to concentrate, or ineffective binding.
TSH is the initial test of thyroid function as it is more sensitive than free T4 to alterations of thyroid status in patients with primary thyroid disease." [ 58 ] Time of day can affect the results of this test; TSH peaks early in the morning and slumps in the late afternoon to early evening, [ 59 ] with "a variation in TSH by a mean of ...
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