Case Report

Metastasis of Pregnancy-Associated Breast Cancer (Suspected to Be Hereditary Breast and Ovarian Cancer) to the Brain, Diagnosed at 18 Weeks’ Gestation: A Case Report and Review of the Literature

Figure 3

Histological examination indicates a diagnosis of invasive ductal carcinoma ((a) hematoxylin-eosin [HE] staining). Immunohistochemical examination indicates that the tumor was negative for human epidermal growth factor receptor 2 (HER-2) (b), estrogen receptor (ER) (c), and progesterone receptor (PR) (d). Moreover, the Ki-67 expression index is 80% (e).
(a)
(b)
(c)
(d)
(e)