Sarcomatoid Renal Cell Carcinoma Metastasis to the Penis

Figure 4

Spindled tumor cell cytoplasm is positive for (a) vimentin, (b) CD10, and (c) AE1/AE3 and negative for EMA, CD31, RCC, and desmin supporting the diagnosis of sarcomatoid renal cell carcinoma.

(a)

(b)

(c)