Figure 1.
Appearance of clear cells 2 weeks after partial thyroidectomy. (A) Immunohistochemistry for BrdU (brown color) counterstained with light H&E. Many clear cells are positive for BrdU as representatives shown by red arrows. (B) Immunohistochemistry for Foxa2 (brown color), counterstained with hematoxylin. Clear cells expressing Foxa2 are indicated by arrows.