scholarly journals The role of colposcopy and typization of human papillomavirus in further diagnostic proceedings in patients with ASC-US cytological finding of the uterine cervix

2009 ◽  
Vol 66 (8) ◽  
pp. 651-655 ◽  
Author(s):  
Radomir Zivadinovic ◽  
Vekoslav Lilic ◽  
Biljana Djordjevic ◽  
Zorica Stanojevic ◽  
Aleksandra Petric ◽  
...  

Background/Aim. Bethesda system of classification of cytological findings was introduced in 2001 two subcategories in the category of atypical squamous cells (ASC) findings: ASC of undetermined significance (ASC-US) and ASC which cannot exclude high-grade intraepithelial lesions (ASC-H). The aim of our study was to assess a possible association of these two subcategories with pathologic biopsy finding and to find out the best further diagnostic proceedings. Methods. At the Clinic of Gynecology and Obstetrics, Nis 130 patients with ASC findings were analyzed. Colposcopy was performed in all study participants. Patients with pathological colposcopic findings underwent cervical biopsy. In 10 patients with pathologic histologic and 15 with benign findings human papilloma virus (HPV) typization was done using the Hybrid Capture method. Results. Patients with ASC-H finding had significantly more pathologic biopsies compared with patients with ASC-US finding (57.84: 20.72). Conclusion. Colposcopy was exhibited somewhat higher sensitivity compared to HPV typization (94.7 : 90), but lower sensitivity (79.27 : 86.6). The usage of HPV typization in the triage of patients with ASC cytologic smear induces statistically significant reduction of unnecessary percentage of cervical biopsies.

Author(s):  
Giselle Fachetti-Machado ◽  
Rosane Figueiredo-Alves ◽  
Marise Moreira

Objective To estimate the cytological and colposcopic performances for the diagnosis of cervical neoplasias. Methods Cross-sectional retrospective study with data from patients' charts. The participants underwent colposcopy, guided biopsies, and excision when needed. The cytological and colposcopic categorization followed the Bethesda System and the international colposcopic terminologies. The cytology and colposcopy performances were evaluated by sensitivity (SE), specificity (SP), positive predictive value (PPV), and negative predictive value (NPV) analyses with 95% confidence interval (95% CI). Results From 1,571 participants, a total of 1,154 (73.4%) were diagnosed with cervical squamous intraepithelial neoplasia grade 2 or worse (CIN 2+), 114 (7.2%) with adenocarcinoma in situ or worse (AIS+), 615 (39.2%) presented atypical squamous cells, cannot exclude high-grade squamous intraepithelial lesion or worse (ASC-H+) cytology, and 934 (59.4%) presented major or suspicious for invasion colposcopic abnormalities. The SE, SP, PPV, and NPV of ASC-H+ for diagnoses of CIN 2+ and AIS+ were, respectively: 44% (95% CI: 41–47) and 72% (95% CI: 67–76), 79% (95% CI: 77–81) and 79% (95% CI: 75–83), 88% (95% CI: 87–90) and 55% (95% CI: 50–60), and 28% (95% CI: 26–31) and 88% (95% CI: 85–91). The SE, SP, PPV, and NPV of major or suspicious for invasion colposcopic abnormalities for diagnoses of CIN 2+ and AIS+ were, respectively: 62% (95% CI: 60–65) and 86% (95% CI: 83–89), 59% (95% CI: 57–62) and 59% (95% CI: 55–64), 85% (95% CI: 83–87) and 44% (95% CI: 40–49), and 29% (95% CI: 27–32) and 92% (95% CI: 89–94). Conclusion The SE analyses results of ASC-H+ and major or suspicious for invasion colposcopic abnormalities were higher for diagnoses of glandular neoplasias. These results confirm the role of cytology in identifying women at risk who will have their final diagnoses settled by colposcopy and histology.


SLEEP ◽  
2020 ◽  
Vol 43 (Supplement_1) ◽  
pp. A275-A275
Author(s):  
R Gavidia ◽  
A L Meng ◽  
A Emenike ◽  
S Hershner ◽  
E Jansen ◽  
...  

Abstract Introduction Opioids are known to contribute to central sleep apnea (CSA), as they depress responsiveness to carbon dioxide and hypoxia. However, the role of non-opioid medications (antihistamines, myorelaxants, neuroleptics, antidepressants, and hypnotics) in CSA remains unclear. Given the hypothesized impact of non-opioids on the central nervous system, we examined associations between opioid and non-opioid medications and CSA. Methods Among all adults who underwent polysomnography testing at the University of Michigan’s Sleep Center between 2013-2018 (n=10,479), we identified 105 cases of CSA. Of these patients, we randomly selected 300 controls. Demographic and health characteristics, use of medications were obtained from medical charts. We classified study participants into three categories based on medication use: non-opioids only, opioids alone or in combination with non-opioids, and none. CSA was defined as a binary outcome using polysomnographic criteria as per the International Classification of Sleep Disorders-Third Edition. We used logistic regression to examine associations between medication use and CSA. Results Among participants, male:female ratio was 1:1 with a mean age of 49 (±14.3 SD) years. Opioid use alone was rare (4%), but more common in combination with non-opioids (17%), while the exclusive use of non-opioids was found among 38%. In adjusted analyses for age and sex, those who used non-opioid alone were less likely to have a CSA diagnosis (OR=0.88, (95% CI 0.5-1.6); however, the use of opioids (alone or in combination with non-opioids) was associated with a 4-fold higher odds of CSA. Conclusion These data suggest that non-opioids have a protective influence on CSA. Conversely, opioids, alone, or in combination with non-opioids, were associated with increased CSA risk, that may be attributed to opioids alone, or to opioids and non-opioids interactions. However, as opioids were mostly co-prescribed with non-opioids, the sole effect of opioids from the synergistic effect with non-opioids are difficult to disentangle. Support Dr. Gavidia was supported by a T32 Post-Doctoral Fellowship in Neuroscience NIH/NINDS T32 NS 007222


2013 ◽  
Vol 44 (1) ◽  
pp. 16-25 ◽  
Author(s):  
Sabrina Pierucci ◽  
Olivier Klein ◽  
Andrea Carnaghi

This article investigates the role of relational motives in the saying-is-believing effect ( Higgins & Rholes, 1978 ). Building on shared reality theory, we expected this effect to be most likely when communicators were motivated to “get along” with the audience. In the current study, participants were asked to describe an ambiguous target to an audience who either liked or disliked the target. The audience had been previously evaluated as a desirable vs. undesirable communication partner. Only participants who communicated with a desirable audience tuned their messages to suit their audience’s attitude toward the target. In line with predictions, they also displayed an audience-congruent memory bias in later recall.


2007 ◽  
pp. 80-92
Author(s):  
A. Kireev

The paper studies the problem of raiders activity on the market for corporate control. This activity is considered as a product of coercive entrepreneurship evolution. Their similarities and sharp distinctions are shown. The article presents the classification of raiders activity, discribes its basic characteristics and tendencies, defines the role of government in the process of its transformation.


2018 ◽  
Vol 2 (S1) ◽  
pp. e000136
Author(s):  
Suhana Jotva ◽  
Hemani Desai ◽  
Hansa Goswami

Aims and Objectives: The aim of present study is to estimate the frequency of abnormal PAP’s smears and mainly to detect precancerous and cancerous lesions as well as inflammatory lesions in HIV infected women. Methodology: Our study was a retrospective study of total 130 cases and PAP’s smears were examined in cytology section in Department of Pathology, BJ Medical College, Ahmedabad from 1st March 2017 to 31st August 2017. Both HIV positive and HIV negative patients were included in the study. 80 patients were HIV negative and 50 patients were HIV positive. The clinical history and relevant parameters were noted. All the smears were processed by a conventional method using Papanicolaou stain.  Results: Out of 130 cases, 118 cases were reported negative for intraepithelial lesions or malignancy (NILM). Five cases were positive for squamous intraepithelial lesions (SIL) out of which four were HIV positive. Seven cases were of atypical squamous cells of undetermined significance (ASCUS) out of which 5 were HIV positive. Three cases were showing bacterial vaginosis. 1 case was showing Trichomonas Vaginalis. 19 cases were showing changes of non-specific inflammation. 6 cases were showing atrophic changes.  Conclusion: HIV infected women are at more risk to develop cervical cytological abnormalities. The study revealed a maximum number of non-specific inflammatory smears followed by smears showing atrophic changes. Smears suspicious for malignancy (ASCUS) and smears showing squamous intraepithelial lesions (SIL) were more common in HIV positive patients. Thus regular PAP’s smears screening as recommended by National AIDS Control Organization (NACO) will help in early detection of cervical abnormalities in HIV positive women. 


Author(s):  
Petar Halachev ◽  
Victoria Radeva ◽  
Albena Nikiforova ◽  
Miglena Veneva

This report is dedicated to the role of the web site as an important tool for presenting business on the Internet. Classification of site types has been made in terms of their application in the business and the types of structures in their construction. The Models of the Life Cycle for designing business websites are analyzed and are outlined their strengths and weaknesses. The stages in the design, construction, commissioning, and maintenance of a business website are distinguished and the activities and requirements of each stage are specified.


Author(s):  
Robert Hasegawa

Musicians have long framed their creative activity within constraints, whether imposed externally or consciously chosen. As noted by Leonard Meyer, any style can be viewed as an ensemble of constraints, requiring the features of the artwork to conform with accepted norms. Such received stylistic constraints may be complemented by additional, voluntary limitations: for example, using only a limited palette of pitches or sounds, setting rules to govern repetition or transformation, controlling the formal layout and proportions of the work, or limiting the variety of operations involved in its creation. This chapter proposes a fourfold classification of the limits most often encountered in music creation into material (absolute and relative), formal, style/genre, and process constraints. The role of constraints as a spur and guide to musical creativity is explored in the domains of composition, improvisation, performance, and even listening, with examples drawn from contemporary composers including György Ligeti, George Aperghis, and James Tenney. Such musical constraints are comparable to self-imposed limitations in other art forms, from film (the Dogme 95 Manifesto) and visual art (Robert Morris’s Blind Time Drawings) to the writings of authors associated with the Oulipo (Ouvroir de littérature potentielle) such as Georges Perec and Raymond Queneau.


Author(s):  
Victor L. Shabanov ◽  
Marianna Ya Vasilchenko ◽  
Elena A. Derunova ◽  
Andrey P. Potapov

The aim of the work is to find relevant indicators for assessing the relationship between investments in fixed assets in agriculture, gross output of the industry, and agricultural exports using tools for modeling the impact of innovation and investment development on increasing production and export potential in the context of the formation of an export-oriented agricultural economy. The modeling methodology and the proposed estimating and forecasting tools for diagnosing and monitoring the state of sectoral and regional innovative agricultural systems are used to analyze the relationship between investments in fixed assets in agriculture, gross output of the industry, and agricultural exports based on the construction of the classification of Russian regions by factors that aggregate these features to diagnose incongruence problems and to improve institutional management in regional innovative export-oriented agrosystems. Based on the results of the factor analysis application, an underestimated role of indicators of investment in agriculture, the intensity and efficiency of agricultural production, were established. Based on the results of the cluster analysis, the established five groups of regions were identified, with significant differences in the level of investment in agriculture, the volume of production of the main types of agricultural products, and the export and exported food. The research results are of practical value for use in improving institutional management when planning reforms and transformations of regional innovative agrosystems.


2021 ◽  
Vol 4 (2) ◽  
pp. e000196
Author(s):  
Yue Wu ◽  
Xiaosi Jin ◽  
Yuhao Zhang ◽  
Jing Zheng ◽  
Rulai Yang

Congenital heart disease (CHD) is the most common of congenital cardiovascular malformations associated with birth defects, and it results in significant morbidity and mortality worldwide. The classification of CHD is still elusive owing to the complex pathogenesis of CHD. Advances in molecular medicine have revealed the genetic basis of some heart anomalies. Genes associated with CHD might be modulated by various epigenetic factors. Thus, the genetic and epigenetic factors are gradually accepted as important triggers in the pathogenesis of CHD. However, few literatures have comprehensively elaborated the genetic and epigenetic mechanisms of CHD. This review focuses on the etiology of CHD from genetics and epigenetics to discuss the role of these factors in the development of CHD. The interactions between genetic and epigenetic in the pathogenesis of CHD are also elaborated. Chromosome abnormalities and gene mutations in genetics, and DNA methylations, histone modifications and on-coding RNAs in epigenetics are summarized in detail. We hope the summative knowledge of these etiologies may be useful for improved diagnosis and further elucidation of CHD so that morbidity and mortality of children with CHD can be reduced in the near future.


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