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. Author manuscript; available in PMC: 2020 Jul 30.
Published in final edited form as: Radiographics. 2018 Aug 3;38(5):1289–1311. doi: 10.1148/rg.2018180013

Table 3:

Representative Differences between Male and Female Breast Cancers

Variable Male Breast Cancer Female Breast Cancer
Histologic types >90% IDC, <0.5% ILC ≀90% IDC, 10% ILC
Molecular markers >90% ER+, >80% PR+, <0.5%TN 75% ER+, 65% PR+, 10%βˆ’15% TN
Tumor grade No correlation with survival Yes; correlation with survival
PIK3CA and TP53 mutations Infrequent Frequent

Note.β€”ER = estrogen receptor, IDC = invasive ductal carcinoma, ILC = invasive lobular carcinoma, PIK3CA = phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha gene, PR = progesterone receptor, TN = triple negative, TP53 = tumor protein p53 gene.