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Chiappetta C.,University of Rome La Sapienza | Puggioni C.,University of Rome La Sapienza | Lendaro E.,University of Rome La Sapienza | Cacciotti J.,University of Rome La Sapienza | And 6 more authors.
International Journal of Clinical and Experimental Pathology | Year: 2015

With cervical cancer screening the choice of 1-year as a period of follow-up in positive high-risk HPV women without cytological lesions is still under discussion. We evaluated the management of these women and the role of HPV genotyping test. We did a cervical cancer screening study of women aged 35-64 with primary high-risk HPV test. Women positive for high-risk HPV with negative cytology were followed-up after 1 year. In this study we selected women with high-risk HPV+/PapTest- resulted high-risk HPV+ at recall and performed the PapTest and HPV genotyping test. The detection rate of squamous high grade (CIN2+) relative to the total screened cohort was 2.1%, and it was 0.2% at the 1-year recall. The colposcopy performed in women referred at the 1-year recall accounted for 48.8% of the total (baseline + 1-year recall), and 84.3% of these women had no cytological lesions. The most frequent hr-HPV genotype detected was HPV16 and 66.7% of co-infections were due to HPV16 and HPV18. 54.5% of women presented a persistent infection at 1-year recall with the same HPV subtype, 50% of persistent infections was due to HPV16 and 16.7% of these were determined to be CIN2+ histological lesions. Our data show that it may be useful to extend the period of follow-up for women hr-HPV+/PapTest- so as to reduce the number of unnecessary colposcopies due to the transitory infections and that the genotyping test could help to identify the persistent infections in which HPV16 is involved. Source


Carozzi F.,Analytical Cytology and Biomolecular Unit | Visioli C.B.,Clinical and Descriptive Epidemiology Unit | Confortini M.,Analytical Cytology and Biomolecular Unit | Iossa A.,Screening Unit | And 3 more authors.
British Journal of Cancer | Year: 2013

Background:The follow-up after abnormal Pap smear and negative colposcopy is not clearly defined. This study aimed at investigating the role of hr-HPV testing in the management of abnormal Pap test and negative colposcopy for Cervical Intraepithelial Neoplasia grade 2 or worse (CIN2+).Methods:The study enroled 1029 women with abnormal screening cytology (years 2006-2010) and negative colposcopy for CIN2+, which subsequently performed a hr-HPV test. Incident CIN2+ lesions were identified through linkage with cancer registry, hospital discharge records, neoplastic pathology reports and the archive of screening programme (2006-2011).Results:During the follow-up, the cohort developed 133 CIN2+ lesions; only one among hr-HPV-negative women. The probability of developing CIN2+ on follow-up time was 0.44% (95% confidence interval (CI) 0.1-3.1) and 41.8% (95% CI 31.8-53.5) for hr-HPV-negative women and hr-HPV-positive women, respectively. A woman with a positive hr-HPV test had about 105 times higher probability of developing a CIN2+ lesion than a woman with a negative hr-HPV test (hazard ratio (HR)=104.5, 95% CI 14.5-755.1), adjusted for index Pap test result, age and cervix squamocolumnar junction visualisation.Conclusion:Our results confirm that hr-HPV testing is able to select the real group of women at risk of developing CIN2+ lesions in the follow-up of abnormal cytology and first negative colposcopy. © 2013 Cancer Research UK. Source


Zorzi M.,Veneto Tumour Registry | Fedato C.,Veneto Tumour Registry | Grazzini G.,Cancer Prevention and Research Institute ISPO | Stocco F.C.,Veneto Tumour Registry | And 7 more authors.
Gut | Year: 2011

Objective: Although guaiac-based faecal occult blood test screening has been shown to be effective in reducing colorectal cancer (CRC) mortality, it has been criticised mostly for its low sensitivity. Italian CRC screening programmes are based on immunochemical tests (iFOBT). We collected and analysed the interval cancers (ICs) found by five screening programmes to estimate their sensitivity. Methods: ICs were identified in subjects who had a negative result in a screening examination from 2002 to 2007 (N=267 789); data were linked with 2002-2008 hospital discharge records. Analysis was based on the follow up of 468 306 person-years. The proportional incidence-based sensitivity was estimated overall and by sex, age class, time since last negative iFOBT result, anatomical site, and history of screening (first or subsequent test). Results: Overall, 126 ICs were identified, compared to 572 expected cancers. The proportional incidences were 15.3% and 31.0% in the first and the second interval-years, respectively, with an overall episode sensitivity of 78.0% (95% CI: 73.8 to 81.6). Sensitivity was higher for males than females (80.1% vs 74.8%); no differences were observed by age, anatomical site or between programmes. The test sensitivity of iFOBT was 82.1% (95% CI 78.1% to 85.3%). Conclusions: iFOBT-based screening programmes showed a high performance in terms of sensitivity as estimated through the IC rates. The screening schedule utilised in our programmes (single iFOBT, positivity threshold of 100 ng Hb/ml of sample solution, inter-screening interval of 2 years) shows low rates of missed cancers that are diagnosed during the interval. HDR are a convenient and reliable source of data for IC studies. Source


Parente F.,A. Manzoni Hospital | Vailati C.,A. Manzoni Hospital | Boemo C.,A. Manzoni Hospital | Bonoldi E.,A. Manzoni Hospital | And 6 more authors.
Digestive and Liver Disease | Year: 2015

Background: Colorectal cancer screening may reduce disease-related mortality by early-stage detection of cancers. Aims: To study the effect of a single immunochemical faecal occult blood test (i-FOBt) screening round on reduction in colorectal cancer-related-mortality among average risk subjects. Methods: Comparison of 5-year mortality rates in 3 cohorts from a Northern Italian province: (1) colorectal cancers detected at the 1st biennial round of a mass-screening programme targeting 50-69 years old subjects, (2) non-screening cancers symptomatically diagnosed during the same time period, and (3) cancers detected in the pre-screening biennium. Multivariate analyses were performed with the Cox regression model including tumour node metastasis (TNM) stage at diagnosis, anatomical distribution of cancers, age at diagnosis, gender and patient group. Kaplan-Meyer survival estimates and log-rank test for equality of survivor functions were calculated. Results: Stage distribution significantly differed between screening and non-screening colorectal cancers: 73% of screen-detected colorectal cancers were stages I and II versus 43% and 40% of non-screening and pre-screening colorectal cancers. Cumulative 5-year mortality rate was significantly lower in screening compared to non-screening or pre-screening colorectal cancers patients (19% versus 37% and 41%, p<. 0.001). Conclusions: Colorectal cancers were detected at earlier stages in i-FOBT-positive subjects in comparison with non-screening patients; colorectal cancers found at screening had a significantly improved 5-year survival. © 2014 Editrice Gastroenterologica Italiana S.r.l. Source


Campari C.,Planning and Control Staff | Fedato C.,Veneto Cancer Registry | Iossa A.,ISPO Institute for Cancer Study and Prevention | Petrelli A.,INMP National Institute for Health | And 14 more authors.
European Journal of Cancer Prevention | Year: 2016

Cervical cancer screening programmes in Italy actively invite all 25-64-year-old resident women for the Pap test every 3 years irrespective of their citizenship. Immigrant women come from countries where screening is absent or poorly implemented and the prevalence of human papillomavirus is often high. These women therefore have significant risk factors for cervical cancer. The Italian Group for Cervical Cancer Screening promoted a survey of all the screening programmes on the participation and the positivity and detection rates in Italian and foreign women in 2009-2011. Aggregated data for participation, cytology results, compliance with colposcopy and histology results were collected, distinguishing between women born in Italy and abroad. All comparisons were age adjusted. Forty-eight programmes out of 120 participated in the immigrant survey, with 3 147 428 invited and 1 427 412 screened Italian women and 516 291 invited and 205 948 screened foreign women. Foreign women had a slightly lower participation rate compared with Italians (39.9 vs. 45.4%), whereas compliance with colposcopy was similar (90%). Foreigners showed a higher risk of pathological findings than Italians: cytology positivity [relative risk (RR)=1.25, 95% confidence interval (CI) 1.24-1.27] and detection rate for cervical intraepithelial neoplasia grade 2 (CIN2) (RR=1.39, 95% CI 1.31-1.47), CIN3 (RR=2.07, 95% CI 1.96-2.18) and cancer (RR=2.68, 95% CI 2.24-3.22). The ratio between cancer and CIN was higher in immigrants (0.06 vs. 0.04, P>0.01). Foreign women had a higher risk of cervical precancer and cancer. Because of their high risk and because opportunistic screening does not cover this often disadvantaged group, achieving high participation in screening programmes for foreigners is critical to further reducing the cervical cancer burden in Italy. © 2016 Wolters Kluwer Health, Inc. All rights reserved. Source

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