Endocrine Abstracts

Introduction: The association of thyroid disorders including autoimmune thyroiditis with the risk for breast cancer is controversial (1–4). A recent study found that triidothyronine (T3) levels are positively associated with breast cancer specific mortality (5). Experimental studies have shown that T3 mimics the effects of estrogen in human breast cell lines and induces the expression of progesterone receptors (6).Purpose: The ...