Case Reports in Pathology / 2015 / Article / Fig 3

Case Report

Anaplastic Transformation of Papillary Thyroid Cancer in the Retroperitoneum

Figure 3

Immunohistochemical features of the tumor cells. The tumor cells showed diffuse positivity for AE1/AE3 (a), galectin-3 (b), and PAX-8 (c). There was patchy positivity for p53 (d). The tumor cells showed only weak focal positivity for TTF-1 (e) and were negative for thyroglobulin (f). All photographs at 400x magnification.
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