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Fig. 2 | Diagnostic Pathology

Fig. 2

From: Pleomorphic lobular carcinoma of the breast with osteoclast-like giant cells: a case report and review of the literature

Fig. 2

Inmunohistochemistry. a Osteoclast-like giant cells were positive for CD68. In contrast, neoplastic cells were negative for CD68 (arrows). b Neoplastic cells were positive for cytokeratin (CK) AE1/AE. In contrast, Osteoclast-like giant cells were negative for CK AE1/AE3 (arrows). Both (c) the invasive component and (d) the in situ component showed complete absence of expression for E-cadherin

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