Upregulation of TSHR, TTF-1, and PAX8 in Nodular Goiter Is Associated with Iodine Deficiency in the Follicular Lumen

Table 1

Immunohistochemistry detecting TSHR in control and nodular goiter groups.

Group	Staining result
	Cases ()	Negative	Positive	Strong positive	Positive rate (%)	Strong positive rate (%)
Control	30	0	30	8	100	26.7
Nodular goiter	30	0	30	26	100	86.7

⁢.