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The most common symptoms are goiter and tachycardia. It has also been linked to some cases of attention deficit hyperactivity disorder (ADHD), although the majority of people with that diagnosis have no thyroid problems. [4] An association with depression has been proposed. [5]
The TSHr is expressed on the thyroid follicular cells of the thyroid gland (the cells that produce thyroid hormone), and the result of chronic stimulation is an abnormally high production of T3 and T4. This, in turn, causes the clinical symptoms of hyperthyroidism, and the enlargement of the thyroid gland visible as goiter.
Toxic multinodular goiter (TMNG), also known as multinodular toxic goiter (MNTG), is an active multinodular goiter associated with hyperthyroidism.. It is a common cause of hyperthyroidism [2] [3] in which there is excess production of thyroid hormones from functionally autonomous thyroid nodules, which do not require stimulation from thyroid stimulating hormone (TSH).
A goitre, or goiter, is a swelling in the neck resulting from an enlarged thyroid gland. [1] [2] A goitre can be associated with a thyroid that is not functioning properly. Worldwide, over 90% of goitre cases are caused by iodine deficiency. [3] The term is from the Latin gutturia, meaning throat.
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.
Colloid nodules may be initially identified as an unspecified kind of thyroid nodule. Follow-up examinations typically include an ultrasound if it is unclear whether or not there really is a nodule present. Once the presence of a nodule has been confirmed, the determination of the kind of thyroid nodule is done by fine needle aspiration biopsy. [7]
Nodular goiter is an enlarged thyroid gland with bumps (nodules) on it. It is associated with both high and low activity of the gland. It is associated with both high and low activity of the gland. Toxic multinodular goitre , also known as multinodular toxic goiter (MNTG)
Nontoxic nodular goiter also known as a nontoxic goiter is an enlarged thyroid without hyperthyroidism. [1] It is often present for years before toxic nodular goiter occurs. [ 1 ] In the United States it is the most common cause of a large thyroid affecting between 3 and 5% of the population.