摘要
Vitamin D is a kind of fat-soluble vitamin,which is mainly involved in the metabolism of calcium and bone in the human body.As a metabolic substance,it also has a certain impact on the cellular microenvironment,and vitamin D also inhibits the proliferation of tumor cells.25(OH)D is considered the best index to evaluate the vitamin D level in the human body because of its relatively stable characteristics in the circulation.Thyroid cancer is a common malignant tumor that develops from malignant thyroid nodules.A large number of studies have found that the lower the serum 25(OH)D level,the higher the risk of thyroid nodules.A large number of studies have found that the lower the serum 25(OH)D level,the higher the risk of thyroid nodules.
