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Hyperthyroidism
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Describe Hyperthyroidism (Thyrotoxicosis)?
due to increased levels of circulating TH
What is Primary Hyperthyroidism?
Excess TH is made and secreted by the thyroid gland
What causes primary hyperthyroidism?
1. Graves disease
2. toxic multinodular goiter
3. solitary hyperfunctioning noules
4. follicular thyroid carcinoma
5. ingestion of excess TH medication (thyrotoxicosis factitia)
Secondary Hyperthyroidism?
rare but caused by TSH-secreting pituitary adenomas
Author
qchamber
ID
98910
Card Set
Hyperthyroidism
Description
Alterations of the thyroid gland
Updated
8/29/2011, 9:16:33 PM
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