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Aim.Although obesity has been associated with endometrioid (type I) and, to a lesser extent, with serous(type II) endometrial cancer (EC), the association with the same histotypes of ovarian cancer (OC) remains un-clear. Therefore, we intended to compare the role of BMI in carcinogenesis of endometrioid and the serous ma-lignancies, at both ovarian and endometrial level.Methods.A retrospective case-to-case study was performed in the University Hospital of Bologna (Italy),through the review of primary EC matched with the corresponding OC cases in the same period (1988–2017).Results.We included 1052 women diagnosed with EC (n= 897 endometrioid,n= 52 serous) and 955women affected by OC (n= 132 endometrioid,n= 627 serous). EC patients had higher median BMI thanwomen diagnosed with OC (27.3 [23.4–31.9] vs 24.9 [21.7–27.5],pb0.01). After controlling for confounding, 1unit increase in BMI was associated with a 5% higher odds of endometrial as opposed to ovarian cancer (OR forovarian as opposed to endometrial cancer 0.95; 95% CI 0.91–0.98,p=0.004).Conclusions.Increasing BMI is associated with endometrial rather than ovarian cancer, among both serousand endometrioid histotypes.

Background BRCA1 mutation carriers are recommended to undergo prophylactic risk-reducing salpingo-oophorectomy (RRSO) between the ages of 35 and 40 or when child bearing is complete, with a possible delay until age 40–45 for BRCA2 mutation carriers. Study Question Primary outcome was the rate of unsuspected cancer findings during RRSO in a region of northern Italy (Emilia Romagna) and secondary outcomes were details of RRSO: age at surgical intervention, the venue of the procedures in relation to the surgical/pathological quality and the rate/role of concomitant opportunistic hysterectomies. Study Design Multicentre data collection by invitation to report current RRSO practices. Results A total of 222 RRSOs (54.5 % BRCA1, 34.7 % BRCA2, 1.8 % BRCA1 and BRCA2 combined, 5.8 % BRCA-VUS and 3.2 % BRCA not better specified) were reported from 9 different centres, half in non-university hospitals and the remainder in university hospitals. Breast cancer survivors (56.3 %) underwent the RRSO at a younger age (47.8 vs 50.6 years, p = 0.02). The mean and median ages at surgical intervention (49.0 and 48.0, respectively) were similar for BRCA1 and BRCA2 mutation carriers, as was the temporal trend in age distribution, and proportions treated in university and non-university hospitals. A diagnosis of ovarian invasive cancer was reported in 3.5 % of subjects, all BRCA1 or BRCA-combined subjects, at a median and mean age of 57 years (range 42–68). Abnormal tubal findings, such as serous tubal intraepithelial lesions (STIL) (100 %), secretory cell outgrowth (SCOUT) (100 %) and STIC (71.4 %), were mainly reported by pathologists in university hospitals. Of the 222 procedures, 15 (6.7 %) included hysterectomies: in none of these cases was a primitive uterine endometrioid or serous cancer found. Conclusions The results from this multicentre regional study should guide future preventive health policies for RRSO in BRCA mutation carriers.

Background The serum marker CA 125 is still the most widely used biomarker for ovarian cancer (OC) diagnosis in gynecological and oncological setting, but its predictive role in early-stage OC is still debated. The aim of this study was to explore the value of CA 125 in distinguishing between early-stage OC and borderline ovarian tumor (BOT) and to evaluate the accuracy of CA 125 in the detection of early stage OC. Methods A retrospective cohort study was performed at the University Hospital of Bologna (Italy) on 1296 consecutive women suffering from OC or BOT (diagnosed at histology) between 1988-2017. Patients for whom CA 125 level was determined preoperatively were included. The positive cut-off level used was >35 U/mL. Results Of 910 patients, 192 (21.1%) were diagnosed with BOT and 718 (78.9%) with OC. The sensitivity of CA 125 for stage I OC was 54.4 (95% CI: 45.3-63.3) (51.5 for IA, 54.6 for IB, 58.3 for IC), but it increased to 78.0 (95% CI: 63.7-88.0) for stage II. Interestingly, in stage I OC, CA 125 presented a significantly higher sensitivity for the endometrioid histotype [72.4 (95% CI: 52.5-86.5) vs. 49.0 (95% CI: 38.6-59.4), P=0.026]. The positive likelihood ratio of CA 125 for early-stage OC compared to BOT was 1.29 (95% CI: 1.06-1.58). Conclusions Despite its limited sensitivity for early-stage OCs, CA 125 still represents a useful serum marker to early differentiate between OCs and BOTs. Its sensitivity for stage I OC increases in endometrioid histotype.