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*Male breast cancer is usually hormone receptor positive (~97%), and HER2 positivity is quite rare (~6%).<ref name=pmid24080492>{{Cite journal | last1 = Schildhaus | first1 = HU. | last2 = Schroeder | first2 = L. | last3 = Merkelbach-Bruse | first3 = S. | last4 = Binot | first4 = E. | last5 = Büttner | first5 = R. | last6 = Kuhn | first6 = W. | last7 = Rudlowski | first7 = C. | title = Therapeutic strategies in male breast cancer: Clinical implications of chromosome 17 gene alterations and molecular subtypes. | journal = Breast | volume = | issue = | pages = | month = Sep | year = 2013 | doi = 10.1016/j.breast.2013.08.008 | PMID = 24080492 }}</ref> | *Male breast cancer is usually hormone receptor positive (~97%), and HER2 positivity is quite rare (~6%).<ref name=pmid24080492>{{Cite journal | last1 = Schildhaus | first1 = HU. | last2 = Schroeder | first2 = L. | last3 = Merkelbach-Bruse | first3 = S. | last4 = Binot | first4 = E. | last5 = Büttner | first5 = R. | last6 = Kuhn | first6 = W. | last7 = Rudlowski | first7 = C. | title = Therapeutic strategies in male breast cancer: Clinical implications of chromosome 17 gene alterations and molecular subtypes. | journal = Breast | volume = | issue = | pages = | month = Sep | year = 2013 | doi = 10.1016/j.breast.2013.08.008 | PMID = 24080492 }}</ref> | ||
*ASCO/CAP guidelines recommend that cold ischemia time be <1 hour.<ref name=pmid22460807 >{{Cite journal | last1 = Yildiz-Aktas | first1 = IZ. | last2 = Dabbs | first2 = DJ. | last3 = Bhargava | first3 = R. | title = The effect of cold ischemic time on the immunohistochemical evaluation of estrogen receptor, progesterone receptor, and HER2 expression in invasive breast carcinoma. | journal = Mod Pathol | volume = 25 | issue = 8 | pages = 1098-105 | month = Aug | year = 2012 | doi = 10.1038/modpathol.2012.59 | PMID = 22460807 }}</ref> | |||
===ER & PR scoring=== | ===ER & PR scoring=== | ||
Nuclear staining:<ref name=Ref_Lester241-2>{{Ref Lester|241-2}}</ref> | Nuclear staining:<ref name=Ref_Lester241-2>{{Ref Lester|241-2}}</ref> |
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