Salivary Duct Carcinoma : HER2
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![SalivaryGlands_SalivaryDuctCA_HER2_resized.jpg](/slides-13/slides/SalivaryGlands_SalivaryDuctCA_HER2_resized.jpg)
Comments:
Immunohistochemical Profile of Salivary Duct Carcinomas: Salivary duct carcinomas are positive for CK7, EMA, CEA, and GATA-3 (nuclear staining). GCDFP-15 is focally positive. They are also HER-2 (shown here), EGFR, and androgen receptor positive while ER and PR are negative. The Ki-67 proliferation index is usually high. Image courtesy of: @PatholWalker