PMC5603082_01
EGD showing a 2.5 to 3.0 cm polypoid mass in the gastric fundus.
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fig1
The EGD (Figure 1) showed a 2.5 to 3.0 cm polypoid mass in the gastric fundus.
Histological evaluation including H&E staining, showing a tumor comprising nests and fascicles of cells with abundant clear cytoplasm and moderately pleomorphic nuclei with prominent eosinophilic nucleoli.
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The histological examination (Figure 2) demonstrated a submucosal tumor comprising nests and fascicles of cells with abundant clear cytoplasm and moderately pleomorphic nuclei with prominent eosinophilic nucleoli.
Positive immunohistochemical staining for PAX-2, consistent with clear cell RCC.
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Immunohistochemical staining (Figure 3) was positive for pan-keratin PAX2 and PAX8.