A Case of Hyalinizing Clear Cell Carcinoma, So-Called Clear Cell Carcinoma, Not Otherwise Specified, of the Minor Salivary Glands of the Buccal Mucosa

Figure 4

Histopathological and immunohistochemical findings ((a) HE stain ×200, (b)–(d) immunohistochemical stain ×200; (b) pancytokeratin (AE1/AE3); (c) S-100; (d) SMA). Proliferation of tumor cells with clear cytoplasm organized in trabeculae, cords, or solid nests surrounded by hyalinizing stroma. The nuclei of the cells were small and round in shape. Tumor cells were stained intensely with pancytokeratin, but not S-100 and SMA.

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