Renal Cell Carcinoma Metastatic to Thyroid Gland, Presenting Like Anaplastic Carcinoma of Thyroid
Figure 3
(a) Hematoxylin and Eosin staining of tru-cut biopsy of thyroid mass showing clear cell histology (b) positivity for CD10 and (c) negativity for TTF-1, consistent with metastatic renal carcinoma.
