Progress of the relationship between breast cancer and thyroid diseases

Breast cancer and thyroid diseases mostly occur in women, and both have seriously affected women's physical and mental health. Breast cancer patients have a higher risk of thyroid diseases before and after the onset of the disease compared with other malignant tumors. There are some common risk factors between them, and breast and thyroid are hormone-responsive organs, so they can also influence each other in some regulatory pathways. Iodine, thyroid hormone receptor and estrogen receptor are considered to be the possible pathogenesis of breast cancer. This paper explores the relationship between breast cancer and thyroid diseases with the help of researches in breast cancer, thyroid benign diseases, thyroid cancer, thyroid hormones and antibodies in recent years, so as to provide a basis for disease prevention and treatment. Key words: Breast neoplasms; Thyroid diseases; Thyroid hormone receptor; Estrogen receptor