• Title/Summary/Keyword: PAP

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The Relationship between Papanicolaou Smear Test and Human Papilloma Virus DNA Chip Test in the Uterine Cervix

  • Lee, Young-Ju;Jung, Ji-Hun;Jung, Da-Young
    • Korean Journal of Clinical Laboratory Science
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    • v.43 no.1
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    • pp.26-31
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    • 2011
  • The genotypes of Human Papilloma Virus (HPV) are important in the carcinogenesis of uterine cervical cancer. Diagnosis of uterine cervical cancer screening has been executed using Papanicolau method (Pap) and HPV DNA Chip method. We researched the interrelation of HPV DNA genotypes in single and multiple infections and analyzed the results of Pap and HPV DNA Chip tests at Gunsan Medical Center (GMC). The correlation analysis was surveyed on collected results from 599 patients who have been tested with both Pap and HPV DNA chip tests from November 2004 to May 2010 at GMC. The inconsistency between Pap and HPV DNA Chip tests was 41.1%. The HPV DNA Chip genotype related with high risk cases were type 16 (13.5%), type 52 (10.5%), type 58 (10.1%), and type 18 (3.4%). Those related with low risk cases were type 70 (8.9%), type 6 (1.7%), type 40 (1.2%), type 11 (1.3%), and other types (14.3%). Among the 195 cases of HPV positive status, 161 cases were associated with single infection; 108 (67.1%) cases were related with high risk genotype; 19 (11.8%) cases were low risk genotype; 31 (21.1%) cases were related with other types. 29 cases were associated with double infections; 23 (79.3%) cases were high risks; 5 (17.2%) cases were mixed high and low risks; 1 (3.5%) case was low risk.

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Design of User Authentication Protocol based on Human Memorable Password (패스워드 기반 인증 프로토콜)

  • 박익수;오병균
    • Proceedings of the Korea Institutes of Information Security and Cryptology Conference
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    • 2003.12a
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    • pp.198-204
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    • 2003
  • 지금까지 제안된 패스워드를 이용하는 인증 프로토콜은 오프라인 추측 공격이나 패스워드 파일 컴프로마이즈에 대하여 안전하지 않으므로 이에 대한 연구가 요구되고 있다. 본 논문에서는 패스워드를 이용하는 인증 프로토콜인 스키마 PAP(Password based Authentication Protocol)을 적용하여 새로운 인증 프로토콜 PAPRSA를 제안하였다. PAP는 패스워드를 표현하는 많은 값들 중에서 임의로 선택한 한 값을 처리하는 것을 특징으로 한다. PAPRSA는 패스워드를 표현하는 값을 처리하기 위하여 RSA를 이용하는 PAP기반 인중 프로토콜이다. 제안된 PAPRSA는 오프라인 추측 공격과 패스워드 파일 컴프로마이즈를 포함한 공격들로부터 안전하였으며, 패스 수와 계산량을 측정한 결과 효율성 면에서 매우 우수하였다.

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Demonstration of Newcastle Disease Virus Antigens in Paraffin Embedded Tissues of Experimentally Infected Chickens Using Peroxidase-antiperoxidase(PAP) Technique (Peroxidase-antiperoxidaes법을 이용한 실험감염 계의 조직내 뉴캣슬병 바이러스 항원동정)

  • 노환국;신종백;임기재;김병지
    • Korean Journal of Veterinary Service
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    • v.15 no.2
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    • pp.184-194
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    • 1992
  • This study was done to identify Newcastle disease virus(NDV) antigens in paraffin sections of various organs from experimentally NDV-infected chicken using peroxidase-antiperoxidase(PAP) technique. Sections were Incubated with rabbit anti-NDV polyclonal as first antibody, followed by incubation with goat anti-rabbit IgG conjugate and peroxidase anti-peroxidase ( PAP ). Positive reactions were often detected in the epithelim of trachea and in the lymphocyte of spleen at 24 hours after virus inoculation. The viral antigen was localized mainly in the cytoplasm of infected cells. The method approved to be highly specific for the indetification of NDV and allowed a precise localization of the viral antigens in infected cells.

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Nonlinear ANC system robust to background noise variation by using 3rd-order Volterra filtering with a VSSGS-PAP algorithm (3차 볼테라 필터링과 VSSGS-PAP 알고리즘을 이용한 배경잡음 변화에 강인한 비선형 능동소음제어 시스템)

  • Seo, Jae-Beom;Kim, Kyoung-Jae;Nam, Sang-Won
    • Proceedings of the IEEK Conference
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    • 2009.05a
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    • pp.70-72
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    • 2009
  • In this paper, nonlinear active noise control(ANC) of a 3rd-order Volterra system, which is robust to background noise variation, is proposed along with a variable step-size Gauss-Seidel pseudo affine projection(VSSGS-PAP) algorithm. Simulation results demonstrate that the proposed approach yields better nonlinear ANC performance in a background noise variation environment, compared with the conventional methods for the nonlinear ANC.

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Perception of Cervical Cancer Screening Among Japanese University Students Who Have Never Had a Pap Smear: A Qualitative Study

  • Oshima, Sumiko;Maezawa, Masaji
    • Asian Pacific Journal of Cancer Prevention
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    • v.14 no.7
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    • pp.4313-4318
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    • 2013
  • This study aimed to explore attitudes towards cervical cancer screening among Japanese university students who had never had a Pap smear. Four focus-group discussions, each with 15 female university students, took place in November and December 2009. Discussions were recorded and transcripts were analyzed to extract attitudes of young women towards cervical cancer screening. The four themes that emerged were: i) a low sense of reality about cervical cancer; ii) a lack of knowledge about both cervical cancer and Pap smears; iii) a lack of motivation to get screened, and iv) a reluctance to visit the gynecologist. Participants who were interested in undergoing screening for cervical cancer cited the influence of conversations with friends and family, a diagnosis of cancer within their family, and relevant information from the media. The results indicate the importance of getting young women more interested in cervical cancer screening and overcoming their tendency to avoid visiting a gynecologist.

Immunohistochemical diagnosis of hog cholera with peroxidase-antiperoxidase(PAP) complex method (Peroxidase-antiperoxidase(PAP) 복합체법을 이용한 돼지콜레라의 면역조직화학적 진단)

  • Moon, Oun-gyeong;Cho, Hee-tack;Kim, Soon-bok
    • Korean Journal of Veterinary Research
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    • v.30 no.2
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    • pp.215-221
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    • 1990
  • The present study was intended to use the peroxidase-antiperoxidase method for the identification of hog cholera virus(HCV) in the lymphatic organs of HCV-infected pigs. Sections were incubated with primary antibody (rabbit anti-HCV polyclonal or mouse anti-HCV monoclonal), followed by incubation with linkserum (goat anti-rabbit IgG) in excess and rabbit or mouse PAP complex. The viral antigen was localized mainly in the cytoplasms of lymphoid cells and macrophages. Positive reaction cells were frequently detected in the marginal areas of the germinal centers of the spleens, and also found in the tensils and lymph nodes. The method approved to be highly specific for the identification of the virus and allowed a precise localization of the viral antigen in infected cells.

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Pap Smear Screening Results for Turkish Pregnant Women

  • Dinc, Ayten
    • Asian Pacific Journal of Cancer Prevention
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    • v.13 no.11
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    • pp.5835-5838
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    • 2012
  • Objective: Cervix cancer is one of the most common gynecological cancer types that cause cancer deaths among women. This study was planned based on a descriptive method in order to evaluate the results of PAP smear screening during pregnancy for prevention of cancer. Materials and Methods: The research involved 110 pregnant women registered at the Obstetrics and Gynecology Polyclinic of Bagcilar Training and Research Hospital and 86 non-pregnant women of the same ages as a control group. As criteria for acceptance were conditions such as not being in coitus within the last 48 hours, not using vaginal ovule, and not performing vaginal lavage. A survey consisting of 33 questions was conducted and the results were processed using Bethesda. Results: The average ages were $27.1{\pm}4.70$ for the pregnant women and $28.8{\pm}4.24$ for the control group. 60.7% of cases had previously heard of a PAP smear test, 49% were aware of why PAP smear tests were conducted, 26.4% of pregnant participants and 27.3% of non-pregnant participants had previously undergone a smear test. In this study, smear results of all cases were 95.4% sufficient. 18.2% of pregnant cases had an infection, 54.5% had reactive cellular change, and 0.9% had atypical squamous cells of undetermined significance (ASC-US). 16.3% of non-pregnant cases had an infection, 58.1% had reactive cellular change, 3.5% had atypical squamous cells of undetermined significance (ASC-US), and 1.2% had low-grade squamous intraepithelial lesions (LGSIL). Conclusion: PAP smear test is a good opportunity to identify pre-invasive lesions in early phases of pregnancy.

Management of Precancerous Cervical Lesions in Iran: A Cost Minimizing Study

  • Nahvijou, Azin;Sari, Ali Akbari;Zendehdel, Kazem;Marnani, Ahmad Barati
    • Asian Pacific Journal of Cancer Prevention
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    • v.15 no.19
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    • pp.8209-8213
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    • 2014
  • Background: Cervical cancer is a common, preventable and manageable disease in women worldwide. Objectives: This study was conducted to determine the cost of follow-up for suspicious precancerous cervical lesions within a screening program using Pap smear or HPV DNA test through the decision tree. Materials and Methods: Patient follow-up processes were determined using standard guidelines and consultation with specialists to design a decision tree model. Costs of treatment in both public and private sectors were identified according to the national tariffs in 2010 and determined based on decision tree and provided services (visits to specialists, colposcopy, and conization) with two modalities: Pap smear and HPV DNA test. The number of patients and the mean cost of treatment in each sector were calculated. The prevalence of lesions and HPV were obtained from literature to estimate the cost of treatment for each woman in the population. Results: Follow-up costs were determined using seven processes for Pap smear and 11 processes for HPV DNA test. The total cost of using Pap smear and HPV DNA process for each woman in the population was 36.1$ and 174$ respectively. Conclusions: The follow-up process for patients with suspicious cervical lesions needs to be included in the existing screening program. HPV DNA test is currently more expensive than Pap smear, it is suggested that we manage precancerous cervical lesions with this latter test.

Knowledge, Attitudes and Practice about Pap Smear Test among Women Living in Bojnourd, North East of Iran: a Population-Based Study

  • Bahri, Narjes;Jajvandian, Roya;Bolandhemmat, Maryam;Najmabadi, Khadigeh Mirzaii
    • Asian Pacific Journal of Cancer Prevention
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    • v.16 no.5
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    • pp.2013-2018
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    • 2015
  • Background: The aim of the study was to assess the extent of knowledge, attitudes and practical behavior of women in Bojnourd conerning the Pap smear test. Materials and Methods: This cross-sectional and population-based study was conducted with 1000 Iranian women aged 15-60 years old in Bojnourd city. In order to collect the data, a validated questionnaire was provided in four sections covering demographic information and questions about knowledge, attitude and practice about the Pap smear. Statistical analysis was performed with the Statistical Package for Social Sciences (version 17.0) applying a 0.05 significance level. Results: Evaluation of knowledge showed that 146 women (14.6%) had very weak, and 594 women (59.4%) had weak knowledge. In contrast, most of the women studied, 873 (87.3%), had a positive attitude toward the Pap smear test. According to the findings, 375 women (37.6%) had done this test so far. Findings indicated that the extent of knowledge had a meaningful relationship with the attitude status (p<0.0001). Also, there was a meaningful relationship between knowledge and practice, so that the weakest practice was seen in women who had weak knowledge (61.1%), (p<0.0001). Conclusions: According to findings of this research, most women do not have an appropriate knowledge about the necessity of having the Pap smear test, so that only a low percentage of women had undergone this test.