Sarcomatoid (Spindle Cell) Carcinoma of Tongue: A Report of Two Cases

Figure 3

Case one: histopathology of the lesion. (a-b) Hematoxylin-eosin staining. IHC for cytoqueratin AE1/AE3 (c-d); staining of all cells that comprise the neoplasm is shown, as with vimentin (e-f). Expression for EMA (g-h) in epithelial cells. No expression was observed in the neoplastic cells for S-100 (i-j) or smooth muscle actin alpha (k-l).

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