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Revista Brasileira de Ginecologia e Obstetrícia. 2020;42(6):340-348
, , , , , To evaluate the performance of the hybrid capture 2 (HC2) high-risk papillomavirus (hrHPV) assay and cytological test in women with previous abnormalities, to detect cervical intraepithelial neoplasia grade 2 or worse (≥ CIN 2).
A cytological test and HC2 (Qiagen, Gaithersburg, Maryland, EUA) for hrHPV were conducted in 359 liquid-based (Sure Path, Becton Dickinson, TriPath Imaging, Burlington, NC, USA) samples collected from women from the Vale do Ribeira Region, during July 2013 and September 2015 with previous cytology classified as atypical squamous cells of undetermined significance (ASC-US), low-grade squamous intraepithelial lesion (LSIL), atypical squamous cells, cannot exclude high-grade squamous intraepithelial lesions (ASC-H), and atypical glandular cells (AGC). The histopathological examination was conducted in 179 women. The performance evaluations were calculated using the “exact” Clopper-Pearson 95% confidence interval (CI) test by MEDCALC (Medcalc Software Ltd, Ostend, Belgium).
The ≥ CIN 2 frequency was 11.7% (21/179). The HC2 for hrHPV and repeat cytology to detect ≥ CIN 2 obtained, respectively, a sensitivity of 90.5% (95% CI = 69.6-98.8) and 90.5%, (95%CI = 69.6-98.8), a specificity of 65.8% (95% CI = 57.9-73.2) and 43.7% (95%CI = 35.8-51.8), a positive predictive value of 26.0% (95% CI = 21.4-31.3) and 17.6%, (95%CI = 14.9-20.6), and a negative predictive value of 98.1% (95%CI = 93.3-99.5) and 97.2% (95% CI = 90.1-99.2).
Hybrid capture 2 for hrHPV improves the performance of the detection of ≥ CIN 2, without compromising sensitivity, and provides a greater safety margin to return to the triennial screening of women undergoing follow-up due to previous abnormalities, without underlying ≥ CIN 2.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2020;42(6):340-348
, , , , , To evaluate the performance of the hybrid capture 2 (HC2) high-risk papillomavirus (hrHPV) assay and cytological test in women with previous abnormalities, to detect cervical intraepithelial neoplasia grade 2 or worse (≥ CIN 2).
A cytological test and HC2 (Qiagen, Gaithersburg, Maryland, EUA) for hrHPV were conducted in 359 liquid-based (Sure Path, Becton Dickinson, TriPath Imaging, Burlington, NC, USA) samples collected from women from the Vale do Ribeira Region, during July 2013 and September 2015 with previous cytology classified as atypical squamous cells of undetermined significance (ASC-US), low-grade squamous intraepithelial lesion (LSIL), atypical squamous cells, cannot exclude high-grade squamous intraepithelial lesions (ASC-H), and atypical glandular cells (AGC). The histopathological examination was conducted in 179 women. The performance evaluations were calculated using the “exact” Clopper-Pearson 95% confidence interval (CI) test by MEDCALC (Medcalc Software Ltd, Ostend, Belgium).
The ≥ CIN 2 frequency was 11.7% (21/179). The HC2 for hrHPV and repeat cytology to detect ≥ CIN 2 obtained, respectively, a sensitivity of 90.5% (95% CI = 69.6-98.8) and 90.5%, (95%CI = 69.6-98.8), a specificity of 65.8% (95% CI = 57.9-73.2) and 43.7% (95%CI = 35.8-51.8), a positive predictive value of 26.0% (95% CI = 21.4-31.3) and 17.6%, (95%CI = 14.9-20.6), and a negative predictive value of 98.1% (95%CI = 93.3-99.5) and 97.2% (95% CI = 90.1-99.2).
Hybrid capture 2 for hrHPV improves the performance of the detection of ≥ CIN 2, without compromising sensitivity, and provides a greater safety margin to return to the triennial screening of women undergoing follow-up due to previous abnormalities, without underlying ≥ CIN 2.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2011;33(3):144-149
DOI 10.1590/S0100-72032011000300008
PURPOSE: to identify the nomenclature for reporting cervical cytological diagnoses used by laboratories which render services to the Brazilian Unified Health System (SUS) and which participate in External Quality Monitoring (MEQ). To evaluate the information acquired from gynecologists of the SUS regarding the various diagnostic classifications that they receive in the cervical cytology diagnostic reports. METHODS: we evaluated 94 cytology reports issued by laboratories which participate in the MEQ in the State of São Paulo, Brazil, and 126 questionnaires applied to gynecologists who work for the SUS. RESULTS: out of the 94 laboratories, 81 (86.2%) use one diagnostic classification: 79 (97.6%) use the Brazilian Nomenclature for Cytological Reports (NBLC), 1 (1.2%) uses the Papanicolaou classification and 1 (1.2%) uses the Richart diagnostic classification. Of the 13 (13.8%) laboratories that use more than one classification, 5 use 2 types and 8 use 3 to 4 types, with 9 including the Papanicolau diagnostic classification. The study showed that 52 (55.3%) laboratories presented more than one descriptive diagnosis in the same report. Out of the 126 gynecologists who filled out a questionnaire evaluating the cytopathology reports, 78 (61.9 %) stated that they received laboratory reports with only one diagnostic classification, 48 (38.1%) received reports with more than one classification and 2 received reports with all 4 classifications. Among the 93 (73.8%) gynecologists who prefer only one classification, 56 (60.2%) claimed that the NBLC contributes to clinical practice, 13 (14.0%) opted for the Richart classification, 8 (8.6%) for the Reagan classification and 16 (17.2%) for the Papanicolaou classification. Out of 33 (26.2%) gynecologists who prefer more than one classification, 5 opted for the 4 classifications. CONCLUSIONS: these data suggest that there is still resistance on the part of pathologists about using the official nomenclature in cytology reports for SUS. There is discrepancy between the information that gynecologists would like to see in the reports and the information provided by the pathologists. Greater efforts should be made to stimulate the use of the official nomenclature.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2011;33(3):144-149
DOI 10.1590/S0100-72032011000300008
PURPOSE: to identify the nomenclature for reporting cervical cytological diagnoses used by laboratories which render services to the Brazilian Unified Health System (SUS) and which participate in External Quality Monitoring (MEQ). To evaluate the information acquired from gynecologists of the SUS regarding the various diagnostic classifications that they receive in the cervical cytology diagnostic reports. METHODS: we evaluated 94 cytology reports issued by laboratories which participate in the MEQ in the State of São Paulo, Brazil, and 126 questionnaires applied to gynecologists who work for the SUS. RESULTS: out of the 94 laboratories, 81 (86.2%) use one diagnostic classification: 79 (97.6%) use the Brazilian Nomenclature for Cytological Reports (NBLC), 1 (1.2%) uses the Papanicolaou classification and 1 (1.2%) uses the Richart diagnostic classification. Of the 13 (13.8%) laboratories that use more than one classification, 5 use 2 types and 8 use 3 to 4 types, with 9 including the Papanicolau diagnostic classification. The study showed that 52 (55.3%) laboratories presented more than one descriptive diagnosis in the same report. Out of the 126 gynecologists who filled out a questionnaire evaluating the cytopathology reports, 78 (61.9 %) stated that they received laboratory reports with only one diagnostic classification, 48 (38.1%) received reports with more than one classification and 2 received reports with all 4 classifications. Among the 93 (73.8%) gynecologists who prefer only one classification, 56 (60.2%) claimed that the NBLC contributes to clinical practice, 13 (14.0%) opted for the Richart classification, 8 (8.6%) for the Reagan classification and 16 (17.2%) for the Papanicolaou classification. Out of 33 (26.2%) gynecologists who prefer more than one classification, 5 opted for the 4 classifications. CONCLUSIONS: these data suggest that there is still resistance on the part of pathologists about using the official nomenclature in cytology reports for SUS. There is discrepancy between the information that gynecologists would like to see in the reports and the information provided by the pathologists. Greater efforts should be made to stimulate the use of the official nomenclature.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2007;29(11):580-587
DOI 10.1590/S0100-72032007001100006
PURPOSE: to investigate women’s age at their first sexual intercourse and its correlation with their present age, human papillomavirus (HPV) infection and cytological abnormalities at Pap smear. METHODS: women from the general population were invited to be screened for cervical cancer and pre-malignant lesions. After answering a behavior questionnaire, they were submitted to screening with cervical cytology and high-risk HPV testing with Hybrid Capture 2 (HC2). This report is part of the Latin American Screening (LAMS) study, that comprises centers from Brazil and Argentina, and the data presented herein refer to the Brazilian women evaluated at the cities of Porto Alegre, São Paulo and Campinas. RESULTS: from 8,649 women that answered the questionnaire, 8,641 reported previous sexual activity and were included in this analysis. The mean age at the interview was 38.1±11.0 years and the mean age at the first sexual intercourse was 18.5±4.0 years. The age at the first sexual intercourse increased along with the age at the interview, i.e., younger women reported they had begun their sexual life earlier than older women (p<0.001). From the total of women who had already begun having sexual intercourse, 3,643 patients were tested for high-risk HPV infection and 17.3% of them had positive results. In all the centers, it became clear that the women with the first sexual intercourse at ages below the mean age of all the population interviewed presented higher rates of HPV infection (20.2%) than the women with the first sexual intercourse at ages above the mean (12.5%) - Odds Ratio (OR) 1.8 (IC95% 1.5-2.2;p<0,001). According to the cytology, the women with first sexual intercourse at ages under the mean, presented higher percentage of abnormal cytology > or = ASC-US (6.7%) than the women with the first sexual intercourse at ages above the mean (4.3%) - OR 1.6 (IC95% 1.3-2.;p<0.001). CONCLUSIONS: the high-risk HPV infection and cytological abnormalities identified during the asymptomatic population screening were significantly associated to the women’s age at the first sexual intercourse. Additionally, we have also identified that the women’s age at the first sexual intercourse has decreased during the last decades, suggesting an important contribution to the increase of HPV infection and the subsequent cervical lesions.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2007;29(11):580-587
DOI 10.1590/S0100-72032007001100006
PURPOSE: to investigate women’s age at their first sexual intercourse and its correlation with their present age, human papillomavirus (HPV) infection and cytological abnormalities at Pap smear. METHODS: women from the general population were invited to be screened for cervical cancer and pre-malignant lesions. After answering a behavior questionnaire, they were submitted to screening with cervical cytology and high-risk HPV testing with Hybrid Capture 2 (HC2). This report is part of the Latin American Screening (LAMS) study, that comprises centers from Brazil and Argentina, and the data presented herein refer to the Brazilian women evaluated at the cities of Porto Alegre, São Paulo and Campinas. RESULTS: from 8,649 women that answered the questionnaire, 8,641 reported previous sexual activity and were included in this analysis. The mean age at the interview was 38.1±11.0 years and the mean age at the first sexual intercourse was 18.5±4.0 years. The age at the first sexual intercourse increased along with the age at the interview, i.e., younger women reported they had begun their sexual life earlier than older women (p<0.001). From the total of women who had already begun having sexual intercourse, 3,643 patients were tested for high-risk HPV infection and 17.3% of them had positive results. In all the centers, it became clear that the women with the first sexual intercourse at ages below the mean age of all the population interviewed presented higher rates of HPV infection (20.2%) than the women with the first sexual intercourse at ages above the mean (12.5%) - Odds Ratio (OR) 1.8 (IC95% 1.5-2.2;p<0,001). According to the cytology, the women with first sexual intercourse at ages under the mean, presented higher percentage of abnormal cytology > or = ASC-US (6.7%) than the women with the first sexual intercourse at ages above the mean (4.3%) - OR 1.6 (IC95% 1.3-2.;p<0.001). CONCLUSIONS: the high-risk HPV infection and cytological abnormalities identified during the asymptomatic population screening were significantly associated to the women’s age at the first sexual intercourse. Additionally, we have also identified that the women’s age at the first sexual intercourse has decreased during the last decades, suggesting an important contribution to the increase of HPV infection and the subsequent cervical lesions.
