TABLE 3.
Ovarian serous borderline/atypical proliferative serous tumors (SBT/APST) with lymph node involvement: descriptive statistics and comparison of medians
| Immunohistochemical scores
|
Ki-67 index | |||
|---|---|---|---|---|
| ER | PR | WT-1 | ||
|
| ||||
| Cuboidal/columnar surface epithelial cells of SBT/APST | ||||
| Mean | 10.8 | 8.3 | 10.6 | 9.3% |
| Median | 12 | 9 | 12 | 9% |
| Range | 6 – 12 | 1 – 12 | 6 – 12 | 0–23% |
|
| ||||
| Eosinophilic cells (detached and on the surface of the papillae) | ||||
| Mean | 7.2 | 5.3 | 7.2 | 3.8% |
| Median | 7 | 5 | 6 | 4% |
| Range | 2 – 12 | 1 – 12 | 4 – 12 | 0–9% |
|
| ||||
| Tumor cells in lymph node(s) | ||||
| Mean | 8.6 | 4.7 | 8.3 | 6.6% |
| Median | 9 | 4 | 9 | 6% |
| Range | 2 – 12 | 0 – 12 | 0 – 12 | 0–18% |
|
| ||||
| Endosalpingiosis | ||||
| Mean | 11.6 | 7.6 | 12 | 4.6% |
| Median | 12 | 9 | 12 | 1.5% |
| Range | 8 – 12 | 0 – 12 | 12 | 0–19% |
|
| ||||
| Tumor in lymph node vs. eosinophilic cells (detached on the surface of the papillae) | ||||
| p-value | 0.223 | 0.381 | 0.892 | 0.299 |
|
| ||||
| Cuboidal/columnar surface epithelial cells vs. tumor in lymph node + eosinophilic cells | ||||
| p-value | <0.001* | 0.020* | 0.002* | 0.334 |
|
| ||||
| Tumor in lymph node vs. Endosalpingiosis | ||||
| p-value | 0.005* | 0.026* | <0.001* | 0.013* |
*
A p-value of < 0.5 was used to determine significance.