Purpose: To evaluate the potential role of immunohistochemical changes in stanniocalcin 1 (STC1) and stanniocalcin 2 (STC2) expressions in papillary thyroid cancer (PTC) tissues in the disease's diagnosis and to investigate their relationship with classical clinicopathological prognostic factors.
Methods: The study included 100 patients with PTC. Normal thyroid tissue adjacent to the tumor was taken as the control group.