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        Are vaginal swabs comparable to cervical smears for human papillomavirus DNA testing?

        Liselotte Coorevits,Ans Traen,Luc Bingé,Jo Van Dorpe,Marleen Praet,Jerina Boelens,Elizaveta Padalko 대한부인종양학회 2018 Journal of Gynecologic Oncology Vol.29 No.1

        Objective: Human papillomavirus (HPV) testing is widely incorporated into cervical cancer screening strategies. Current screening requires pelvic examination for cervical sampling, which may compromise participation. The acceptance could be raised by introducing testing on vaginal swabs. We explored the interchangeability of vaginal swabs and cervical smears for HPV testing, by means of a prospective study conducted in female sex workers (FSWs). Besides, we report on the occurrence of 32 different HPV genotypes in FSW with low-grade squamous intraepithelial lesion (LSIL) or high-grade squamous intraepithelial lesion (HSIL). Methods: Paired physician-collected vaginal swabs and cervical smears from 303 FSW were tested for HPV using the Abbott RealTime High-Risk HPV assay. Cervical cytology was examined on cervical smears. In case of HSIL/LSIL cytological classification (n=52), both samples were genotyped using INNO-LiPa HPV Genotyping Extra II. Results: The overall prevalence of high-risk (HR)-HPV was 51%. In FSW with HSIL/LSIL cervical cytology, the sensitivity and specificity of vaginal samples for the detection of HR-HPV was 100% and 70% and for probable HR-HPV 100% and 91%. The mean number of genotypes identified in vaginal samples (mean=3.5; 95% confidence interval [CI]=2.8–4.2) was significantly higher than in cervical smear samples (mean=2.6; 95% CI=2.1–3.0) (p=0.001). The most frequently encountered HR-HPV genotypes were HPV16, 31, 51, and 52. Conclusion: As our study shows that vaginal swabs are equivalent to cervical smears for the detection of (probable) HR-HPV, vaginal swabs can be used for HPV testing in cervical cancer screening strategies. Given the acceptance of vaginal sampling, this finding offers an opportunity to boost screening coverage.

      • Capturing Wetting States in Nanopatterned Silicon

        Xu, XiuMei,Vereecke, Guy,Chen, Chang,Pourtois, Geoffrey,Armini, Silvia,Verellen, Niels,Tsai, Wei-Kang,Kim, Dong-Wook,Lee, Eunsongyi,Lin, Chang-You,Van Dorpe, Pol,Struyf, Herbert,Holsteyns, Frank,Moshc American Chemical Society 2014 ACS NANO Vol.8 No.1

        <P>Spectacular progress in developing advanced Si circuits with reduced size, along the track of Moore’s law, has been relying on necessary developments in wet cleaning of nanopatterned Si wafers to provide contaminant free surfaces. The most efficient cleaning is achieved when complete wetting can be realized. In this work, ordered arrays of silicon nanopillars on a hitherto unexplored small scale have been used to study the wetting behavior on nanomodulated surfaces in a substantial range of surface treatments and geometrical parameters. With the use of optical reflectance measurements, the nanoscale water imbibition depths have been measured and the transition to the superhydrophobic Cassie–Baxter state has been accurately determined. For pillars of high aspect ratio (about 15), the transition occurs even when the surface is grafted with a hydrophilic functional group. We have found a striking consistent deviation between the contact angle measurements and the straightforward application of the classical wetting models. Molecular dynamics simulations show that these deviations can be attributed to the long overlooked atomic-scale surface perturbations that are introduced during the nanofabrication process. When the transition condition is approached, transient states of partial imbibition that characterize intermediate states between the Wenzel and Cassie–Baxter states are revealed in our experiments.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/ancac3/2014/ancac3.2014.8.issue-1/nn405621w/production/images/medium/nn-2013-05621w_0009.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn405621w'>ACS Electronic Supporting Info</A></P>

      • KCI등재

        Case Report : Popliteal Pseudoaneurysm after Arthroscopic Posterior Cruciate Ligament Reconstruction

        ( Karin B. Van Dorp ),( Stefan J. M. Breugem ),( Marcel J. M. Driessen ) 대한슬관절학회 2014 대한슬관절학회지 Vol.26 No.3

        This report presents the case of a 30-year-old motocross (BMX) cyclist with a third-degree posterior cruciate ligament rupture. The technique used for reconstruction was the transtibial single-bundle autologous hamstring technique. Unfortunately, the procedure was complicated by a popliteal pseudoaneurysm, which was located in line with the tibial canal. The pseudoaneurysm was treated with an end-to-end anastomosis and the patient recovered without further complaints. In this case, the popliteal artery was damaged most probably by the edge of the reamer or the guide wire during removal. Vascular complications can be limb- and life-threatening. This case report aims to increase the awareness of this serious complication with a review of the literature.

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