Can the preoperative Ca-125 level predict optimal cytoreduction in patients with advanced ovarian carcinoma? A single institution cohort study.

BACKGROUND: Preoperative Ca-125 level has been used as a predictor of optimal cytoreduction in advanced ovarian carcinoma. Yet, controversy exists regarding the ability of the tumor marker to predict optimal debulking and moreover of the proper cut-off limit to do so. METHODS: The preoperative Ca-125 levels of 426 patients with Stage III/IV ovarian carcinoma from a single institution were correlated with surgical outcome. Optimal was considered the cytoreduction if the largest residual tumor was < or equal to 1 cm in diameter. Receiver operation characteristic (ROC) curve data were combined with interval likelihood ratios at various Ca-125 levels to determine the cut-off level with the maximum prognostic power. Sensitivity, specificity, positive and negative predictive values and accuracy were also calculated. RESULTS: Preoperative Ca-125 proved to be a reliable predictor for optimal cytoreduction. The area under curve of the ROC curve was 0.89, 98% C.I.=[0.828-0.952], indicating very good discriminating capability. The level of 500 IU/ml was found to have the most predictive power. The sensitivity of Ca-125 at that level was 78.5%, the specificity 89.6%, the positive predictive value 84.2%, the negative predictive value 85.4% and its accuracy 85%. Furthermore, the likelihood ratio for correct discrimination between optimal and sub-optimal cytoreduction, dropped sharply from 6.33, 95% C.I. [5.19-10.91] at the level of 500 IU/ml to 0.58, 95% C.I. [0.21-1.63] at the level of 600 IU/ml. CONCLUSIONS: Our data indicate that preoperative Ca-125 is a good predictor for optimal cytoreduction. the best threshold for this prediction proved to be 500 IU/ml. These patients may be candidates for neo-adjuvant chemotherapy treatment. Nevertheless, all clinical and radiological findings must be co-evaluated.

The effect of hypertension and anti-hypertensive drugs on endometrial thickness and pathology.

OBJECTIVES: We sought to clarify if hypertension has a direct effect on endometrial pathology. Furthermore, we wanted to evaluate the effect of possible differences among the various antihypertensive drugs on the clinico-pathological findings. PATIENTS AND METHODS: The records of 228 patients who underwent D&C at our tertiary cancer hospital were examined. All other aetiopathogenic factors (DM, tamoxifen, obesity, etc.) for endometrial pathology were excluded, as well as endometrial carcinoma cases. We compared the differences in the clinical symptoms and signs between hypertensive and normotensive women, as well as differences in their histological findings. Furthermore, we carried out a subgroup analysis of the above with respect to the antihypertensive agent(s) the patients used. RESULTS: One hundred and twenty-three patients (54%) were hypertensive and 105 (46%) were normotensive. Vaginal spotting was present in approximately 75% of patients in both groups, but sonographic endometrial thickening was significantly more prevalent among hypertensive women (52.8% versus 34.3%, p=0.004). Hyperplasia was the commonest positive histological finding among hypertensive women (44.7%), compared with polyps for the normotensives. Furthermore, atypia was censored in 4.1% of hypertensive patients only. The subgroup analysis with respect to the various antihypertensives was similar to the above histological distribution, with the exception of the combination b-blocker plus calcium antagonist, which had a significantly more favourable histological profile with over 60% normal endometria. CONCLUSIONS: Hypertensive patients tend to require D&C more frequently. Sonographic endometrial thickening is significantly more frequent among them. Hyperplasia with or without atypia occurs in approximately 50% of hypertensive women. No differences in the above were justified depending on the different antihypertensive agents used, with the exception of the b-blocker plus calcium antagonist (+/-ACE inhibitor) combination, which requires further evaluation.