Serous Borderline Tumor : Immunohistochemistry
Comments:
Serous borderline tumors express CAM5.2, AE1/AE3, EMA, Ber-EP4, WT1, and PAX8. Estrogen and progesterone receptors are strongly expressed. p53 is wild type. The image shows irregularly-shaped papillary structures lined by pseudostratified columnar epithelium. The stroma shows spindled as well as sclerotic areas.