Radioreceptwial assessment of EGFR expression was prospectively performed on 60 primary human endometrial tumors. Of these, 26 were EGFR-positive while 13 expressed high EGFR levels. High EGFR levels correlated well with poor histopathological grading. No correlation with histopathological type, stage, myometrial invasion, lymph-node involvement or steroid hormone receptor status was observed. Disease-free survival rate was significantly shorter in the cases with high than in the cases with low EGFR levels. These results suggest a potential role of EGFR expression assessment in prognostic characterization of endometrial cancer patients.
We examined the levels of activity of methyl-p-hydroxyphenyllactate esterase (MeHPLA-ase) and cytosolic Type-II-estrogen-binding sites (Type-II EBS) in 61 and 71 cases, respectively, of primary ovarian cancer. MeHPLA-ase activity and Type-II EBS were seen to by asymmetrically distributed, in that levels were skewed towards the lower values. A statistically significant direct correlation was found between MeHPLA-ase activity and Type-II EBS. MeHPLA-ase activity and Type-II EBS were inversely correlated with ER and PR levels and showed a trend towards inverse correlation with the percentage of cells in S-phase of the cell cycle. MeHPLA-ase activity and Type-II EBS did not correlate with clinico-pathological parameters. The median MeHPLA-ase activity tended to be higher in responders than in unresponsive patients, but statistical significance was not reached. Higher Type-II-EBS levels were found in cases showing complete and partial response to chemotherapy than in cases which did not respond. A statistically significant relationship was found between high MeHPLA-ase activity and longer overall survival.
The authors have re-examined 146 patients with stage I and II endometrial carcinoma according to pathological findings. An understaging of FIGO classification of 9.8% and 14.2% in stages I and II, respectively, was found. Also evaluated was the influence of some risk factors (histologic grade, myometrial infiltration) on survival rates which was highly significant for both stages I and II. Surgery was the main form of treatment with an operability rate higher than 90%. The bilateral salpingo-oophorectomy appeared to improve the survival at stage I, 85.8% versus 63.6%, while postoperative external radiotherapy (ERT) seemed to be ineffective.
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