The causes of primary versus secondary hyperthyroidism differ. Thyroid problems cause primary hyperthyroidism while problems in the pituitary gland cause secondary hyperthyroidism. Hyperthyroidism ...

Primary hypothyroidism occurs when the thyroid gland cannot produce enough thyroid hormones. Secondary hypothyroidism occurs when the thyroid gland functions correctly but the pituitary gland or ...

Hyperthyroidism is an overactive thyroid gland that produces too much thyroid hormone, while hypothyroidism is an underactive thyroid gland that produces too little thyroid hormone. Although both ...

A new analysis has found that adolescents and young adults who develop thyroid cancer as a secondary cancer have a significantly greater risk of dying than those with primary thyroid cancer.

If you have hypothyroidism with normal TSH levels, you may still experience symptoms even though your thyroid stimulating hormone (TSH) blood test levels are well within range. Most people whose ...

Primary vs secondary hypothyroidism. The majority of women with hypothyroidism have primary hypothyroidism, which is most commonly due to chronic autoimmune thyroid disease (the goiter form of ...

The cause of an underactive thyroid can be primary, secondary, or tertiary. Hollywood actor and author Stanley Tucci underwent high-dose radiation and chemotherapy after a tumour was discovered at ...