Metastatic Papillary Thyroid Carcinoma with Multifocal Synchronous Transformation to Anaplastic Thyroid Carcinoma

<div>(a) 50x: PAX-8 immunohistochemical stain depicting diffuse nuclear staining in the papillary component of the tumor. (b) 20x: PAX-8 immunohistochemical stain in the solid component of the tumor.</div>

Case Reports in Pathology

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Figure 3

Figure 3: Metastatic Papillary Thyroid Carcinoma with Multifocal Synchronous Transformation to Anaplastic Thyroid Carcinoma 