Figure 2
From: Caesarean scar choriocarcinoma: a case report and review of the literature
Histologic section of Caesarean scar choriocarcinoma. (A) Marked nuclear and cellular atypia and increased mitotic activity (H&E, ×400). (B) Immunohistochemical staining of tumour cells was positive for β-HCG (immunohistochemistry, ×400). (C) Ki-67 positive tumour cells (immunohistochemistry, ×200). (D) Human placental lactogen positive tumour cells (immunohistochemistry, ×200).