Fig. 2.
Immunohistochemical analysis. a. p63, strong nuclear staining in main cells (×40). b. bcl-2, strong cytoplasmic staining in main cells (×40).c. CK19, moderate cytoplasmic staining in main cells (×40). d. GAL-3, strong cytoplasmic, and nuclear staining. Positive staining in both main and C cells. e, f TG and PTH, negative staining in both main and C cells (×40). g CT, moderate cytoplasmic staining in C cells (×20). h TTF-1, moderate nuclear staining in a small number of SCN cells, mainly those forming mixed follicles (×40)