Iris metastasis from clear cell renal cell carcinoma: A case report

Figure 2 Hematoxylin and eosin staining and immunohistochemical staining of the Iris mass. A: Normal iris tissue was observed around the tumor (100 ×); B: The tumor cells were large, cube-shaped, and in a solid nest-like arrangement and the nuclei were round or ovate with visible nucleoli (400 ×); C-E: The tumor cells were immunoreactive for cytokeratin pan (200 ×) (C), paired box gene 8 (200 ×) (D), and cluster of differentiation 10 (200 ×) (E).