78B Metastasis, breast primary (Case 78) Her-2 1 | Microscopic | NEOPLASMS (METASTASES)

Washington University Experience | NEOPLASMS (METASTASES) | Microscopic | 78B Metastasis, breast primary (Case 78) Her-2 1

HER-2 staining shows 3+ positivity. ---- Not shown: Immunohistochemical staining shows patchy reactivity to mammaglobin. An estrogen receptor and progesterone stain are negative. Slides from the prior case show comparable histopathology

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Washington University Experience | NEOPLASMS (METASTASES) | Microscopic | 78B Metastasis, breast primary (Case 78) Her-2 1