Abstract
Aim: To investigate the expression of Wilms' tumor 1 (WT1) protein in endometrial adenocarcinoma (EC) and endometrial intra-epithelial neoplasia (EIN). Methods: WT1 protein expression was determined on immunohistochemistry in 30 EC patients and in 20 EIN patients. WT1 protein expression in proliferative (n = 7), secretory (n = 9) and atrophic endometrium (n = 9) and benign endometrial polyps (n = 28) was used as the control group. Cellular and vascular WT1 staining was scored semiquantitatively. Results: Cellular WT1 staining was 67% and vascular positivity was 73% in the EC group. In the EIN group the cellular staining was 100% and vascular staining was 85%. Although all EIN samples were positive for cellular WT1 staining, median cellular staining score was similar to that of EC (median, 2; range, 1–3; IQR, 1.75 vs 2, 0–3, 0.75, respectively). Increasing EC grade and stage were not associated with cellular or vascular WT1 staining score. Conclusion: WT1 is expressed in EIN.
| Original language | English |
|---|---|
| Pages (from-to) | 870-875 |
| Number of pages | 6 |
| Journal | Journal of Obstetrics and Gynaecology Research |
| Volume | 42 |
| Issue number | 7 |
| DOIs | |
| Publication status | Published - 1 Jul 2016 |
Keywords
- Wilms' tumor 1 protein
- endometrial adenocarcinoma
- endometrial intra-epithelial neoplasia
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