Figure 1

Immunohistochemical results for select BRAFV600E mutation positive cases by DNA analyses (case 9=a–c; case 10=d–f; case 20=g–i; papillary thyroid carcinoma control=j–l). (a/d/g/j): Scanning magnification, H&E. (b/e/h/k): High power, H&E. (c/f/i/l): Immunohistochemical stain with the anti-B-Raf (V600E) antibody.