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# Immunohistochemistry in the Differential Diagnosis of... : Applied Immunohistochemistry & Molecular Morphology

Distinction of metastasis to the breast from a breast primary, particularly high-grade triple-negati

TRPS1 positivity in HGSC and PAX8 positivity via the MRQ50 clone in TNBC represent potential pitfalls in assessing high-grade carcinoma for which the differential diagnosis includes TNBC and HGSC