Recurrent postmenopausal bleeding - just endometrial disease or ovarian sex cord-stromal tumor? A case report

Figure 3 Histopathological and immunohistochemical staining findings. A: The tumor cells of the right ovarian lesion were spindle-shaped and bundle-like with sheet-like arrangement, and the cells were densely arranged without obvious atypia. Eosinophilic cell nests with rich cytoplasm were visible in the focal area; B: The densely arranged endometrial glands were hyperplastic, and some glandular lumens were irregular; C: Cytokeratin (focal+); D: Inhibin (part+); E: Wilm’s tumor protein (WT1, part+); F: Calretinin (+); G: Ki-67 (approximately 10% +); H: Net staining showed mostly surrounding single cells.