IL17A and hematocrit: Therefore, in the present study, we detected the expressions of MIF, Th17 cells, and IL-17A in HT patients and healthy controls, analyzed the relationships between MIF and Th17 cells and MIF, Th17 cells, and thyroid-specific autoantibodies, and tried to explore the possible role of MIF and Th17 cells in the pathogenesis of thyroid autoimmune damage in HT.