FIGURE 4
From: How Familial Cancer Genes and Environmentally Induced Oncogenes Have Changed the Endocrine Landscape
The histologic criteria for the diagnosis of papillary can be controversial, as in the tumor shown in (A). Ret immunohistochemistry identifies the C terminus of the products of ret/PTC gene rearrangements (see Fig. 3) and allows identification of tumors that harbor these molecular markers of papillary carcinoma.
