17-thyroid Flashcards
What hormone is TSH similar to
HcG
What controls TSH
Free levels of T4
Most common cause of hyperthyroidism ?
Graves’ disease
Most common cause of hypothyroidism in us
Hashimotos
Most common benign thyroid tumors
Follicular adenomas
Most common malignant thyroid tumors
Papillary carcinomas
Binding protein for iron
Transferrin
Binding protein for copper
Cereuloplasmin
Binding protein for cortisol
Transcortin
Binding protein for calcium
Albumin
What stimulate thyroid follicular cells to make t4
TSH pinocytose thyroglobulin
Anabolic steroid to what to your tbg and free t4, liver cirrhosis
Decrease
Same
Estrogen does what to your tbg and free t4
Increase
Same
What is radioactive uptake for
To determine thyroid function if iodine is uptaken it not
Radioactive uptake scan is for what?
To know if nodules making t3 and t4
Cancers present as what kind of nodules
Cold
How is TSH in cold nodules
Normal
Why is there normal TSH in cold nodules ?
Rest of gland is working normal
How do cyst present in radioactive uptake scan
Cold
How do toxic footers present on uptake scan
Warm
How do follicular adenomas present in uptake scan?
Warm
Antibodies increased in Hashimotos
Anti Thyroglobulin ab
Anti Thyroid peroxidase ab
TSH receptor inhibiting ab
Microsomal ab
Antibodies in graves
Thyroid stimulating inmunoglobulins -tsi
TSH receptor stimulating antibodies
In Hashimotos the lymphocytes that form lymphoid follicles can become malignant and lead to what cancer
Marginal zone B cell lymphoma
