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Cervical cytology

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https://www.readbyqxmd.com/read/28738387/false-negative-rate-of-papanicolaou-testing-a-national-survey-from-the-thai-society-of-cytology
#1
Supinda Koonmee, Andrey Bychkov, Somruetai Shuangshoti, Kanyaprin Bhummichitra, Wanwisa Himakhun, Anant Karalak, Samreung Rangdaeng
OBJECTIVE: To evaluate the performance of Papanicolaou smear screening in Thailand at the national level, and to propose recommendations for continuing quality control. STUDY DESIGN: This study was conducted by The Thai Society of Cytology and involved 124 laboratories in 76 provinces during 2010-2014. Random sampling suggested recalling of 10% of slides defined as negative at routine screenings (10% random rescreening [R10] model) directly from the reading unit...
July 25, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/28737306/the-use-of-cold-coagulation-for-the-treatment-of-cervical-intraepithelial-neoplasia
#2
A Wyse, W A Seah, J O'Neill, P Byrne
In 2015, Cold Coagulation was introduced as a treatment for cervical intraepithelial neoplasia (CIN) at our colposcopy clinic. We reviewed the 6-month follow up data of the first 200 women who underwent Cold Coagulation using cytology and HPV status as tests of cure (TOC). A random sample of 200 patients treated by Large Loop Excision of the Transformation Zone (LLETZ) during the same period was used to compare treatment outcome. Six months following treatment,173 (86.5%) of the women treated by CC and 167 (83...
May 10, 2017: Irish Medical Journal
https://www.readbyqxmd.com/read/28736821/testing-for-high-risk-hpv-in-cervical-and-tonsillar-paraffin-embedded-tissue-using-a-cartridge-based-assay
#3
Elina Virtanen, Pekka Laurila, Jaana Hagström, Pekka Nieminen, Eeva Auvinen
This study evaluates the suitability of Xpert HPV (Cepheid, Sunnyvale, CA, USA) test for cervical and tonsillar formalin-fixed paraffin-embedded (FFPE) tissue samples as compared to the tests currently used in diagnostics. Cervical biopsies and liquid cytology (LC) samples were collected from 48 women attending colposcopy. Biopsies were processed for histology and tested for hrHPV using Xpert HPV. LC samples were tested using Xpert and Hybrid Capture 2 (HC2; Qiagen, Hilden, Germany) tests. Also 29 archived tonsillar carcinoma samples were tested using Xpert, and the results were compared with histology and immunohistochemical p16INK4a (p16) staining...
July 24, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28730704/the-athena-hpv-study-underrepresents-other-high-risk-hpv-genotypes-when-compared-with-a-diverse-new-york-city-population
#4
G Ramos Rivera, S N Khader, S Lajara, K Schlesinger, D Y Goldstein, R C Naeem, M J Suhrland, A S Fox
OBJECTIVE: Persistent infection with oncogenic high risk HPV (hrHPV) types causes virtually all cases of cervical cancer. HPV 16 and 18 have been targeted for individual genotyping and vaccination because of their presence in 71% of invasive cervical cancers worldwide. Montefiore Medical Center, Bronx, New York serves a population known for ethnic and racial diversity. Given this diversity it is possible that HPV genotypes not individually detected by current testing are causing significant disease...
July 21, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28730227/hpv-genotyping-and-p16%C3%A3-ki-67-dual-staining-in-the-detection-of-high-grade-cervical-lesion-in-patients-with-lsil-on-pap-smear
#5
Lavinia Cristina Moleriu, Ioan Sas, Adrian Claudiu RaŢiu, Mădălin Marius Margan, Cristina Anamaria Secoşan, Răzvan Ştefan Ilina, Florin George Horhat, Loredana Gabriela Stana, Dorin Grigoraş, LaurenŢiu Cornel Pirtea
p16÷Ki-67 dual-stained cytology, either alone or combined with human papillomavirus (HPV) 16÷18 genotyping, could be a useful tool for triage for colposcopy of HPV-positive patients. Based on this background, we aimed at comparing the diagnostic performance of the p16÷Ki-67 dual staining test, and high-risk HPV test for the detection of high-risk cervical intraepithelial neoplasia (CIN2÷3) in patients diagnosed with low-grade squamous intraepithelial lesion (LSIL) on Pap smear. We performed a retrospective study including 184 patients with LSIL cytology on Pap smear, of which 64 were referred for biopsy after colposcopy...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28725677/a-population-based-study-of-cervical-cytology-findings-and-human-papillomavirus-infection-in-a-suburban-area-of-thailand
#6
Natacha Phoolcharoen, Nuttavut Kantathavorn, Thaniya Sricharunrat, Siriporn Saeloo, Waraphorn Krongthong
Despite the high incidence of cervical cancer in Thailand, large population-based studies on cervical cytology and HPV prevalence and genotype distribution are rare. This study aimed to determine cervical cytology results and the prevalence and distribution of HPV among Thai females in Bangkhayaeng subdistrict, Pathumthani province, Thailand. Of 4681 female inhabitants, aged 20-70 years, 1523 women finally participated in the study. Cervical samples using liquid-based cytology were collected during February-August 2013 and analyzed for HPV genotype by the LINEAR ARRAY® HPV Genotyping Test (Roche, USA)...
August 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28723743/analysis-of-hpv-distribution-in-patients-with-cervical-precancerous-lesions-in-western-china
#7
Kemin Li, Rutie Yin, Qingli Li, Danqing Wang
Cervical human papillomavirus (HPV) infection is a dangerous disease, whose subtypes exhibit different distribution patterns in particular countries, regions, and races. In this study, the HPV distribution in patients with cervical precancerous lesions in Western China was investigated to assess a probability for prevention of cervical cancer and the clinical application of an HPV vaccine in China. The retrospective study of patients with different HPV subtypes and cervical precancerous lesions, who have undergone loop eelectrosurgical excision procedure, cold knife conization, or a total hysterectomy in our hospital from January 2016 to August 2016, was performed...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28723690/distribution-of-human-papillomavirus-genotypes-among-women-in-mashhad-iran
#8
Eskandar Taghizadeh, Forough Taheri, Hamed Abdolkarimi, Pedram Ghorbani Renani, Seyed Mohammad Gheibi Hayat
OBJECTIVE: Cervical cancer is the third most common malignancy in females. Since the human papillomavirus (HPV) genotype can vary geographically, it is essential to define its genotypic distribution before establishing health care policies and vaccination programs in any given area. The aim of this study was to determine the frequency of HPV types in women in Mashhad, Iran. METHODS: We used nested PCR and reverse dot-blot hybridization for genotyping. The study included 143 cervical cytology samples from Mashhad with confirmed papillomavirus infection by molecular methods...
July 20, 2017: Intervirology
https://www.readbyqxmd.com/read/28720454/comparative-accuracy-of-pap-smear-and-hpv-screening-in-ubon-ratchathani-in-thailand
#9
Suleeporn Sangrajrang, Piyawat Laowahutanont, Metee Wongsena, Richard Muwonge, Anant Karalak, Weerawut Imsamran, Virginia Senkomago, Rengaswamy Sankaranarayanan
We evaluate the potential for using high-risk human papillomavirus (hr-HPV) testing-based screening for cervical intraepithelial neoplasia (CIN) in routine health services in Thailand; its accuracy in comparison to that of conventional cytology (CC); and the utility of HPV16/18 positive results and liquid-based cytology (LBC) triage for HPV-positive women in the detection of high-grade CIN. Women aged 30-60 years in Ubon Ratchathani province, Thailand were screened with CC and hr-HPV testing and those abnormal on either tests were referred for colposcopy and/or directed biopsies...
June 2017: Papillomavirus Research
https://www.readbyqxmd.com/read/28720450/detection-of-cervical-precancerous-lesions-with-aptima-hpv-assays-using-surepath-preservative-fluid-specimens
#10
Max Chernesky, Dan Jang, Nick Escott, Jodi Gilchrist, Jenny Li, Laurie Elit, Alice Lytwyn, Marek Smieja, Sam Ratnam, Manuel Arias, Damon Getman, Barbara Weinbaum, Brett Kirkconnell, Janel Dockter
SurePath specimens from women referred to colposcopy were treated with Aptima Transfer Solution (ATS) before testing in Aptima HPV (AHPV) and Aptima HPV 16, 18/45 (AHPV-GT) assays. Untreated SurePath specimens were tested with the cobas HPV test. PreservCyt specimens were assessed for cytology and tested with AHPV. High-grade cervical intraepithelial neoplasia lesions served as the reference standard. Excellent agreement (95.5%; k=0.91) was observed for ATS-treated SurePath specimens between Tigris and Panther systems and between the PreservCyt and ATS-treated SurePath specimens (91...
June 2017: Papillomavirus Research
https://www.readbyqxmd.com/read/28720447/projected-impact-of-hpv-vaccination-and-primary-hpv-screening-on-cervical-adenocarcinoma-example-from-australia
#11
Megan A Smith, Karen Canfell
Cytology-based cervical screening appears to have had a limited effect on the incidence of adenocarcinoma, however HPV vaccination and HPV-based screening will likely play a role in reducing future burden. Using Australia as an example, we estimated the future burden (2015-2040) of adenocarcinoma in the absence of other interventions; and the impact of HPV vaccination (introduced 2007) and HPV-based screening (commencing 2017). Future burden was estimated considering underlying trends in adenocarcinoma, using national data (1982-2010)...
June 2017: Papillomavirus Research
https://www.readbyqxmd.com/read/28717342/prevalence-of-high-risk-genotypes-of-human-papillomavirus-women-diagnosed-with-premalignant-and-malignant-pap-smear-tests-in-southern-ecuador
#12
Paola Dalgo Aguilar, Cisne Loján González, Ana Córdova Rodríguez, Katherine Acurio Páez, Ana Paulina Arévalo, Jana Bobokova
Human papillomavirus (HPV) is the primary infectious agent for the development of cervical cancer, although the presence of the virus alone is insufficient for viral development and proliferation; this can be attributed to the increase in potential oncogenic risk, along with other risk factors. In the present investigation, the prevalence of high-risk HPV was determined from samples of premalignant or malignant cervical cytology in women from the southern region of Ecuador. The kit we used was able to detect genotypes 16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, and 59...
2017: Infectious Diseases in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28716995/impact-of-gp-reminders-on-follow-up-of-abnormal-cervical-cytology-a-before-after-study-in-danish-general-practice
#13
Bettina Kjær Kristiansen, Berit Andersen, Flemming Bro, Hans Svanholm, Peter Vedsted
BACKGROUND: Dysplasia may progress because of a loss to follow-up after an abnormal cervical cytology. Approximately 18% of Danish women postpone the recommended follow-up, which depends on the cytology results. AIM: To investigate if a reminder to the GP about missed follow-up could reduce the proportion of women who fail to act on a recommended follow-up, and to analyse the effect on sociodemographic and general practice variations. DESIGN AND SETTING: A national electronic GP reminder system was launched in Denmark in 2012 to target missed follow-up after screening, opportunistic testing, or surveillance indication...
July 17, 2017: British Journal of General Practice: the Journal of the Royal College of General Practitioners
https://www.readbyqxmd.com/read/28709052/colon-cancer-metastasis-to-the-thyroid-gland-a-case-report
#14
M I Coelho, M N Albano, C E Costa Almeida, L S Reis, N Moreira, C M C Almeida
INTRODUCTION: Thyroid metastases from colorectal cancer are uncommon and few cases are described in literature. CASE PRESENTATION: A 64-year-old female patient presented with an asymptomatic right cervical nodule with a rapid growth six years after sigmoidectomy for cancer and two years after resection of colorectal lung metastases. Increased CA 19.9 was identified and a thoracoabdominal CT scan revealed the onset of new metastatic bilateral pulmonary lesions. Neck ultrasonography showed a suspicious nodule in the right thyroid lobe, and Fine-needle Aspiration Cytology (FNAC) of the nodule lead to the diagnosis of colorectal cancer metastasis...
June 28, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28707725/preventive-effect-of-human-papillomavirus-vaccination-on-the-development-of-uterine-cervical-lesions-in-young-japanese-women
#15
Hidenori Tanaka, Hiromitsu Shirasawa, Dai Shimizu, Naoki Sato, Noriaki Ooyama, Osamu Takahashi, Yukihiro Terada
AIM: To examine the effect that human papillomavirus (HPV) vaccination has had in Akita Prefecture, by comparing cervical cytology results from women aged 20-24 years with or without HPV vaccination. METHODS: We examined cervical cytology results from 2425 subjects who underwent cervical cancer screening under the jurisdiction of the Akita Foundation for Healthcare between January 2014 and October 2016. We compared the prevalence of cytologic abnormalities among women aged 20-24 years with or without HPV vaccination...
July 14, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28704717/implementing-community-based-cervical-cancer-screening-programs-using-visual-inspection-with-acetic-acid-in-india-a-systematic-review
#16
REVIEW
Prajakta Adsul, Nitin Manjunath, Vijaya Srinivas, Anjali Arun, Purnima Madhivanan
The objective of this review was to systematically appraise the existing published literature about community-based cervical cancer screening programs that have used visual inspection methods using acetic acid (VIA) in India. All peer reviewed journal articles till December 2015 were searched per PRISMA guidelines. Articles reporting results from cervical cancer screening programs in community-based settings, conducted in India, and using VIA were included in this review. The search resulted in 20 articles to be included in the review with a total of 313,553 women at 12 unique urban and rural sites across India...
July 10, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/28701824/liquid-based-and-conventional-cytology-for-bronchial-washings-bronchoalveolar-lavages-in-the-diagnosis-of-malignancy-an-institutional-experience
#17
Abha Thakur, Pooja Bakshi, Gagandeep Kaur, Kusum Verma
BACKGROUND: Liquid-based cytology (LBC) has been developed as an alternative for conventional cytology (CC) in cervical smears. It is now increasingly being used all over the world for cervical cancer screening. However, its role and diagnostic accuracy in bronchial wash (BW)/bronchoalveolar lavage (BAL) specimens remains undetermined. AIMS: To assess and compare the diagnostic performance and accuracy of LBC with CC for detecting malignancy in bronchial specimens...
July 2017: Journal of Cytology
https://www.readbyqxmd.com/read/28701280/a-framework-for-nucleus-and-overlapping-cytoplasm-segmentation-in-cervical-cytology-extended-depth-of-field-and-volume-images
#18
Hady Ahmady Phoulady, Dmitry Goldgof, Lawrence O Hall, Peter R Mouton
We propose a framework to detect and segment nuclei and segment overlapping cytoplasm in cervical cytology images. This is a challenging task due to folded cervical cells with spurious edges, poor contrast of cytoplasm and presence of neutrophils and artifacts. The algorithm segments nuclei and cell clumps in extended depth of field (EDF) images and uses volume images to segment overlapping cytoplasm. The boundaries are first approximated by a defined similarity metric and are refined in two steps by reducing concavity, iterative smoothing and outliers removal...
July 3, 2017: Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society
https://www.readbyqxmd.com/read/28696426/an-imaging-dataset-of-cervical-cells-using-scanning-near-field-optical-microscopy-coupled-to-an-infrared-free-electron-laser
#19
Diane E Halliwell, Camilo L M Morais, Kássio M G Lima, Júlio Trevisan, Michele R F Siggel-King, Tim Craig, James Ingham, David S Martin, Kelly Heys, Maria Kyrgiou, Anita Mitra, Evangelos Paraskevaidis, Georgios Theophilou, Pierre L Martin-Hirsch, Antonio Cricenti, Marco Luce, Peter Weightman, Francis L Martin
Using a scanning near-field optical microscope coupled to an infrared free electron laser (SNOM-IR-FEL) in low-resolution transmission mode, we collected chemical data from whole cervical cells obtained from 5 pre-menopausal, non-pregnant women of reproductive age, and cytologically classified as normal or with different grades of cervical cell dyskaryosis. Imaging data are complemented by demography. All samples were collected before any treatment. Spectra were also collected using attenuated total reflection, Fourier-transform (ATR-FTIR) spectroscopy, to investigate the differences between the two techniques...
July 11, 2017: Scientific Data
https://www.readbyqxmd.com/read/28693176/flexible-magnifying-endoscopy-with-narrow-band-imaging-for-the-diagnosis-of-uterine-cervical-tumors-a-cooperative-study-among-gastrointestinal-endoscopists-and-gynecologists-to-explore-a-novel-microvascular-classification-system
#20
Noriko Nishiyama, Kenji Kanenishi, Hirohito Mori, Hideki Kobara, Shintaro Fujihara, Taiga Chiyo, Nobuya Kobayashi, Tae Matsunaga, Maki Ayaki, Tatsuo Yachida, Ayako Fujimori, Makoto Oryu, Chiaki Tenkumo, Megumi Ishibashi, Uiko Hanaoka, Toshiyuki Hata, Yumi Miyai, Kyuichi Kadota, Reiji Haba, Tsutomu Masaki
Narrow band imaging with magnifying endoscopy (NBI-ME), which is useful for the assessment of micro-vessels, has excellent diagnostic potential for early gastrointestinal epithelial neoplasia. Conventional diagnostic tools for uterine cervical epithelial tumors are still unsatisfactory. An accurate diagnostic tool for uterine cervical epithelial tumors is required to preserve the reproductive ability of young women with uterine cervical tumors. Flexible NBI-ME was performed in patients with cervical squamous cell lesions that required further examinations based on their Pap smear results (cytology ≥ low-grade squamous intraepithelial lesion) at Kagawa University Hospital between April 2014 and April 2015...
July 2017: Oncology Letters
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