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Cervical intraepithelial neoplasia

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https://www.readbyqxmd.com/read/29331480/human-papillomavirus-hpv-18-genetic-variants-and-cervical-cancer-risk-in-taizhou-area-china
#1
Hui-Hui Xu, Ling-Zhi Zheng, Ai-Fen Lin, Shan-Shan Dong, Ze-Ying Chai, Wei-Hua Yan
Human papillomavirus (HPV) type 18 is predominantly associated with the development of cervical adenocarcinomas, whereas data on HPV18 genetic variability in China are limited. HPV18 genetic variants were formed phylogenetic tree, including lineages A, B, and C. We aimed to evaluate the diversity of HPV18 genetic variants by sequencing the entire E6, E7 and L1 genes. Between 2012 and 2015, a total of 138 (0.8%, 138/17669) women with single HPV18 infection were selected in this study. Finally, we observed 122 HPV18 isolates of the complete E6-E7-L1 sequences, and obtained 36 distinct variation patterns which the accession GenBank numbers as KY457805-KY457840...
January 10, 2018: Gene
https://www.readbyqxmd.com/read/29328473/detection-of-high-grade-neoplasia-in-air-dried-cervical-pap-smears-by-a-microrna-based-classifier
#2
Mikhail K Ivanov, Sergei E Titov, Sergei A Glushkov, Victoria V Dzyubenko, Anastasia V Malek, Polina A Arkhangelskaya, Roman B Samsonov, Andrey A Mikhetko, Elena V Bakhidze, Igor V Berlev, Nikolay N Kolesnikov
Recent studies have shown that changes in the expression levels of certain microRNAs correlate with the degree of severity of cervical lesions. The aim of the present study was to develop a microRNA-based classifier for the detection of high-grade cervical intraepithelial neoplasia (CIN ≥2) in cytological samples from patients with different high-risk human papillomavirus (HR-HPV) viral loads. For this purpose, raw RT-qPCR data for 25 candidate microRNAs, U6 snRNA and human DNA in air-dried PAP smears from 174 women with different cervical cytological diagnoses, 144 of which were HR-HPV-positive [40 negative for intraepithelial lesion or malignancy (NILM), 34 low-grade squamous intraepithelial lesions (L-SIL), 57 high-grade squamous intraepithelial lesions (H-SIL), 43 invasive cancers], were statistically processed...
January 12, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29322839/feasibility-study-of-a-human-papillomavirus-e6-and-e7-oncoprotein-test-for-the-diagnosis-of-cervical-precancer-and-cancer
#3
Jin-Jun Zhang, Xin-Chun Cao, Xiang-Yu Zheng, Hai-Ying Wang, Yong-Wei Li
Objective To evaluate the clinical value of human papillomavirus (HPV) E6 and E7 oncoprotein (HPV E6/E7) detection in the early screening of cervical cancer. Methods This prospective study evaluated all patients with suspected cervical intraepithelial neoplasia (CIN) as identified by the presence of at least one positive indicator from a ThinPrep cytologic test (TCT) and/or a Hybrid Capture 2 (HC2) HPV DNA test. The levels of E6/E7 oncoproteins were determined using Western blot analysis. The diagnostic value of the HPV E6/E7 protein assay was compared with the clinical diagnosis from TCT, HC2 and the gold standard of cervical biopsy histology...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29319946/medical-devices-hematology-and-pathology-devices-classification-of-a-cervical-intraepithelial-neoplasia-test-system-final-order
#4
(no author information available yet)
The Food and Drug Administration (FDA or we) is classifying the cervical intraepithelial neoplasia (CIN) test system into class II (special controls). The special controls that apply to the device type are identified in this order and will be part of the codified language for the CIN test system's classification. We are taking this action because we have determined that classifying the device into class II (special controls) will provide a reasonable assurance of safety and effectiveness of the device. We believe this action will also enhance patients' access to beneficial innovative devices, in part by reducing regulatory burdens...
January 3, 2018: Federal Register
https://www.readbyqxmd.com/read/29319498/safety-and-tolerance-of-cidofovir-as-a-2-gel-for-local-application-in-high-grade-cervical-intraepithelial-neoplasia-a-phase-1-investigation
#5
Michel Bossens, Maud Jost, Catherine Van Pachterbeke, Viviane De Maertelaer, Philippe Simon, Francis Frankenne, Philippe Hubert, Brigitte Evrard, Robert Snoeck
OBJECTIVES: The primary objective was to evaluate the safety and local tolerance of a topical 2% (w/w) cidofovir gel, applied directly to the cervices of women with high-grade cervical intraepithelial neoplasia (CIN 2+). The secondary objective was to evaluate the pharmacokinetics of cidofovir during the treatment. MATERIALS AND METHODS: Nine women with CIN 2+, were treated with a course of 3 g of cidofovir gel, applied locally once per week for 3 weeks in total (9 g)...
January 10, 2018: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29312619/systematic-assessment-of-cervical-cancer-initiation-and-progression-uncovers-genetic-panels-for-deep-learning-based-early-diagnosis-and-proposes-novel-diagnostic-and-prognostic-biomarkers
#6
Nguyen Phuoc Long, Kyung Hee Jung, Sang Jun Yoon, Nguyen Hoang Anh, Tran Diem Nghi, Yun Pyo Kang, Hong Hua Yan, Jung Eun Min, Soon-Sun Hong, Sung Won Kwon
Although many outstanding achievements in the management of cervical cancer (CxCa) have obtained, it still imposes a major burden which has prompted scientists to discover and validate new CxCa biomarkers to improve the diagnostic and prognostic assessment of CxCa. In this study, eight different gene expression data sets containing 202 cancer, 115 cervical intraepithelial neoplasia (CIN), and 105 normal samples were utilized for an integrative systems biology assessment in a multi-stage carcinogenesis manner...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29288321/rassf1a-promoter-methylation-was-associated-with-the-development-progression-and-metastasis-of-cervical-carcinoma-a-meta-analysis-with-trial-sequential-analysis
#7
Fei Zheng, Huimin Yu
BACKGROUND: RASSF1A promoter methylation has been reported in cervical cancer. However, clinical effect of RASSF1A promoter methylation in cervical cancer remains unclear. This meta-analysis was conducted to assess the correlation between RASSF1A promoter methylation and cervical cancer and the association of RASSF1A promoter methylation with clinicopathological features. METHODS: Electronic databases were searched to identify eligible publications. The pooled odds ratios (ORs) and 95% confidence intervals (CIs) were calculated...
December 29, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29285369/clinical-significance-of-atypical-squamous-cells-of-undetermined-significance-after-treatment-for-cervical-intraepithelial-grade-3-neoplasia-a-retrospective-single-center-cohort-study
#8
Toshimichi Onuma, Kimihisa Tajima, Kumiko Sato, Katsushige Hattori, Shin Fukuda, Takahiro Tsuji, Yoshio Yoshida
The aim of the present study was to evaluate the clinical significance of atypical squamous cells of undetermined significance (ASC-US) following cervical conization for cervical intraepithelial neoplasia (CIN) grade 3. This study was a retrospective cohort analysis. The medical records of women treated with conization for CIN 2-3 were reviewed and 142 patients with CIN 3 who had been diagnosed using the conization specimens were selected. The mean follow-up period after conization was 41.8 months. Cytological abnormalities after conization were observed in 19...
December 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29285356/effect-of-paiteling-on-human-papillomavirus-infection-of-the-cervix
#9
Pingping Tao, Weiping Zheng, Xiaohua Meng, Junxia Chen, Aijing Sun, Qinghe Shou, Yungen Wang, Binlie Yang
The aim of the present study was to investigate the effect of the traditional Chinese medicine paiteling on the outcome of high-risk human papillomavirus (HR-HPV) infection of the cervix. A total of 321 patients were enrolled in this study and HPV subtypes were determined by the Hybribio HPV genotyping system. The patients were divided into the loop electrosurgical excision procedure (LEEP; n=82) and non-LEEP (n=239) groups, according to the cervical intraepithelial neoplasia classification. These two groups were further subdivided into the drug (paiteling) and control subgroups...
December 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29285261/use-of-autoantibodies-against-tumor-associated-antigens-as-serum-biomarkers-for-primary-screening-of-cervical-cancer
#10
Yingji Jin, Seung Cheol Kim, Hyoung Jin Kim, Woong Ju, Yun Hwan Kim, Hong-Jin Kim
Serum autoantibodies against tumor-associated antigens (TAAs) have received much attention as potential biomarkers for early detection of cancers, since they can be detected in the early stages of cancers. Autoantibodies against Cancer Antigen 15-3 (CA15-3), carcinoembryonic antigen (CEA), Cancer Antigen 19-9 (CA19-9), c-Myc, p53, heat shock protein (Hsp)27 and Hsp70 have been suggested as potential markers for detecting several types of cancer. In the present study, the seven types of antibody listed above were evaluated for detecting cervical lesions...
December 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/29279588/comparison-of-the-sensitivity-and-specificity-of-p16-ki-67-dual-staining-and-hpv-dna-testing-of-abnormal-cervical-cytology-in-the-detection-of-histology-proven-cervical-intraepithelial-neoplasia-grade-2-and-above-cin-2
#11
T K Y Tay, K L Lim, M H Hilmy, A A Thike, S T Goh, L H Song, J S G Hwang, S Mantoo
INTRODUCTION: Human papillomavirus (HPV) testing is used as a means of triaging cervico-vaginal smears with low grade squamous abnormalities or as part of co-testing with cytology. While HPV testing has a high sensitivity, it has a low specificity in detecting cervical intraepithelial neoplasia grade 2 and above (CIN 2+) leading to unnecessary colposcopy referrals. We investigate the accuracy of the p16/Ki-67 dual immunocytochemical stain in determining the presence of CIN 2+ lesions on histology and its potential as a superior biomarker for triage...
December 2017: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/29275099/acetowhite-region-segmentation-in-uterine-cervix-images-using-a-registered-ratio-image
#12
Jun Liu, Ling Li, Lei Wang
Visual inspection with acetic acid (VIA) remains a main cervical cancer screening tool in developing countries. However, it depends on the operator's experience, and its utility is often limited by the lack of trained doctors. Smart colposcope devices to automatically detect the cervical intraepithelial neoplasia (CIN, the early stage of cervical cancer) may provide a promising alternative. As the acetowhite (AW) region is the most important feature of CIN during VIA, its segmentation is considered an important procedure in the automatic detection of CIN...
December 16, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29245055/high-proportion-of-abnormal-pap-smear-tests-and-cervical-dysplasia-in-women-with-cystic-fibrosis
#13
Christine Rousset-Jablonski, Quitterie Reynaud, Raphaëlle Nove-Josserand, Isabelle Ray-Coquard, Yahia Mekki, François Golfier, Isabelle Durieu
OBJECTIVES: Insufficient gynecological follow-up and cervical screening has been reported in women with cystic fibrosis (CF). Some of these patients will require a pulmonary transplantation, known to be associated with a higher risk of cervical dysplasia. The aim of this study was to explore the results of cervical screening in adult women with CF, and to report the prevalence of abnormal pap smear tests in this population. STUDY DESIGN: We retrospectively analyzed medical records of sexually active women with CF who attended a gynecological consultation in Lyon University CF referral center between June 2014 and December 2015...
December 9, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29241150/assessment-of-the-roche-linear-array-hpv-genotyping-test-within-the-valgent-framework
#14
Lan Xu, Anja Oštrbenk, Mario Poljak, Marc Arbyn
BACKGROUND: Cervical cancer screening programs are switching from cytology-based screening to high-risk (hr) HPV testing. Only clinically validated tests should be used in clinical practice. OBJECTIVES: To assess the clinical performance of the Roche Linear Array HPV genotyping test (Linear Array) within the VALGENT-3 framework. STUDY DESIGN: The VALGENT framework is designed for comprehensive comparison and clinical validation of HPV tests that have limited to extended genotyping capacity...
December 6, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29238232/efficacy-of-thermoablation-in-treating-cervical-precancerous-lesions-in-a-low-resource-setting
#15
Phuong Lien Tran, Bruno Kenfack, Eveline Tincho Foguem, Manuela Viviano, Liliane Temogne, Pierre-Marie Tebeu, Rosa Catarino, Anne-Caroline Benski, Pierre Vassilakos, Patrick Petignat
Introduction: Treating cervical intraepithelial neoplasia (CIN) grades 2 and 3 is the recommended strategy for preventing invasive carcinoma in low- and middle-income countries (LMICs). Our objective was to assess the efficacy of thermoablation in the treatment of CIN2 and CIN3 in a screen-and-treat approach. Methods: Women aged 30-49 years in Dschang, Cameroon, were invited to undergo vaginal sampling for human papillomavirus (HPV), samples being assessed by an Xpert HPV Assay...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/29237293/cdh1-promoter-methylation-in-patients-with-cervical-carcinoma-a-systematic-meta-analysis-with-trial-sequential-analysis
#16
Guanyuan Liu
AIM: This study was performed to evaluate the correlation between CDH1 promoter methylation and cervical cancer. METHODS: Trial sequential analysis was conducted to evaluate the required information size. RESULTS: A total of 15 studies with 950 cervical cancers and 829 controls were identified. CDH1 promoter methylation was higher in cervical cancer than in cervical intraepithelial neoplasia lesions and normal cervical tissues. Subgroup analysis of ethnicity showed that CDH1 promoter methylation correlated with cervical cancer in Caucasians, but not in Asians...
December 14, 2017: Future Oncology
https://www.readbyqxmd.com/read/29228452/establishment-and-analysis-of-the-prediction-model-for-cervical-squamous-cell-carcinoma
#17
Y-H Zhou, W-F Fan, J Deng, H-L Xi
OBJECTIVE: This study aimed to construct a prediction model for cervical squamous cell carcinoma and evaluate its accuracy in diagnosing cervical squamous cell carcinoma. PATIENTS AND METHODS: Fifty patients with initially histopathologically confirmed cervical squamous cell carcinoma and 150 patients with initially histopathologically confirmed cervical intraepithelial neoplasia (CIN) were enrolled. The high-risk human papillomavirus (HR-HPV) infection, human telomerase mRNA component (hTERC) gene and cell-myc (c-myc) gene amplification, and minichromosome maintenance protein 5 (MCM5) protein expression were detected...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29223961/a-systematic-review-and-meta-analysis-of-studies-evaluating-the-performance-of-point-of-care-tests-for-human-papillomavirus-screening
#18
REVIEW
Helen Kelly, Philippe Mayaud, Michel Segondy, Nitika Pant Pai, Rosanna W Peeling
BACKGROUND: High-risk human papillomavirus (HPV) is a necessary cause of high-grade cervical intraepithelial neoplasia (grade 2 or higher, CIN2+). Simplified and rapid HPV DNA assays designed for use in resource-limited settings have recently become available. METHODS: We performed a systematic review and meta-analysis by searching Medline, Embase, Global Health and CINAHL databases for studies from 1 January 2004 to 25 February 2017 that reported the performance of careHPV or OncoE6 for the detection of histological CIN2+ in cervical cancer screening...
December 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/29218720/long-term-risk-of-cervical-cancer-following-conization-of-cervical-intraepithelial-neoplasia-grade-3-a-danish-nationwide-cohort-study
#19
Freja Laerke Sand, Kirsten Frederiksen, Christian Munk, Signe Marie Jensen, Susanne K Kjaer
Using nationwide Danish registries we examined the long-term risk of cervical cancer in women diagnosed with cervical intraepithelial neoplasia grade 3 (CIN3) (including adenocarcinoma in situ (AIS)) on the cone compared with women with a normal cytology test. Initially, we identified women born 1918 to 1990, who were recorded as living in Denmark between January 1, 1978 and December 31, 2012. From the Pathology Data Bank information on CIN3 on the cone, margins status, histological type of CIN3 and cervical cytology results was extracted...
December 8, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29215531/human-immunodeficiency-virus-hiv-and-non-hiv-associated-immunosuppression-and-risk-of-cervical-neoplasia
#20
Michael J Silverberg, Wendy A Leyden, Aileen Chi, Steven Gregorich, Megan J Huchko, Shalini Kulasingam, Miriam Kuppermann, Anna Seto, Karen K Smith-McCune, George F Sawaya
OBJECTIVE: To estimate the risk of cervical intraepithelial neoplasia grade 2, 2-3, 3, adenocarcinoma in situ, or cancer (CIN 2 or worse) among women with human immunodeficiency virus (HIV)- and non-HIV-associated immunosuppression. METHODS: We performed a case-control study of 20,146 women with incident CIN 2 or worse and 5:1 age-matched, incidence-density selected women in a control group (n=100,144) enrolled in an integrated health care system from 1996 to 2014...
December 4, 2017: Obstetrics and Gynecology
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