Saturday, 25 February 2017

endocrinology - Euthyrodism and goitre


I read in Tortora and Derrickson that goitre is associated with euthyrodism.


How is that possible?



Answer



In this context, euthyroidism refers to the amount of hormone present.


What is a goiter:




The term “goiter” simply refers to the abnormal enlargement of the thyroid gland. It is important to know that the presence of a goiter does not necessarily mean that the thyroid gland is malfunctioning. A goiter can occur in a gland that is producing too much hormone (hyperthyroidism), too little hormone (hypothyroidism), or the correct amount of hormone (euthyroidism). A goiter indicates there is a condition present which is causing the thyroid to grow abnormally.



See also here and here for more of the same info.


ETA: According to this:



Chronic lymphocytic thyroiditis (CLT), also known as Hashimoto thyroiditis, is an autoimmune, inflammatory process that causes up to 55% to 65% of all euthyroid goitres...



Although, as the link I already gave above state, regular ol' iodine deficiency can still cause euthyroid goiter.


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