PMC2632612_01
a) Gross appearance, cut surface solid, green, firm, and well-circumscribed. b) Neoplastic cells are surrounding without involvement of duct or lobular structures (H&E 100x). c) The cells are of intermediate size with scant cytoplasm, irregular nuclei, clumped chromatin, and small nucleoli; some cells contain eosinophilic granules (H&E 400x). d) Myeloperoxidase reactivity is intensively positive in neoplastic cells (400x).
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F1
Lymphoepithelial lesions were not identified, not even with immunohistochemical studies (Figure 1B, 1C). CD68 (KP1), myeloperoxidase, CD34, CD117, CD43, and lysozyme (Figure 1D); CD45 showed weak staining. CD3, CD20, CD10, CD15, CD56, CD68 PGM1, bcl-2 and The mastectomy specimen revealed a well-demarcated tumor measuring 5 x 4 cm, of green color and increased consistency (Figure 1A).