Simultaneous Clear Cell Sarcomas of the Duodenum and Jejunum

Figure 2

The tumor demonstrates a nested growth pattern underlying the small bowel mucosa: (a) HE 20x, original magnification. The neoplastic cells are large eosinophilic cells with prominent cherry red nucleoli: (b) H&E 400x, original magnification. The neoplastic cells are positive for S100 (d) and Melan A (h) but negative for pan-cytokeratin AE1/3 (c), desmin (e), CD34 (f), and HMB45 (g).

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