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Fig. 1 | Diagnostic Pathology

Fig. 1

From: Primary mucinous ovarian tumors vs. ovarian metastases from gastrointestinal tract, pancreas and biliary tree: a review of current problematics

Fig. 1

Mucinous borderline tumor (MBT). Intracystic epithelial proliferation of gastrointestinal-type epithelium with villoglandular arrangement (a) (H&E, 100x). Tumor structures showing increased proliferative activity in the crypts with mitoses and mild nuclear atypia, whereas other parts of the villoglandular structures consist of more mature cells (b) (H&E, 200x). MBT with intraepithelial carcinoma consisting of tumor cells with marked nuclear atypia and increased mitotic activity (c) (H&E, 200x). Diffuse immunohistochemical expression of cytokeratin 7 (d) (200x) and focal expression of cytokeratin 20 (e) (200x). MBT with focal, mostly weak expression of PAX8 (f) (200x)

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