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Sökning: WFRF:(Larsson Gabriella Lillsunde)

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1.
  • Quttineh, Maysae, et al. (författare)
  • Great interest in a Swedish nationally regulated specialist education among biomedical laboratory scientists and biomedical laboratory scientist students
  • 2021
  • Ingår i: International Journal of Biomedical Laboratory Science. - : International Federation of Biomedical Laboratory. - 2308-7706. ; 10:1, s. 28-35
  • Tidskriftsartikel (refereegranskat)abstract
    • Biomedical laboratory scientists (BLS) work in many different disciplines but one common denominator for all the fields within the profession is the rapid development in biomedicine and the corresponding increase of advanced technology. A nationally regulated specialist training for BLS is a way for the profession to gain advanced skills and to create career opportunities. From a larger study set, the aims of this sub-study were to investigate BLS student’s and professional’s view on education, choice of workplace, career development, advanced studies and a potential nationally regulated specialist training program. Two surveys were designed using webbenkater.com. The surveys were sent to BLS student members (n=483) and professional members (n=2083) of The Swedish Institute of Biomedical Laboratory Science (IBL), the professional organization of BLS´s in Sweden. Response rate was 57% (276/483) for the student sub-survey and 44% (n=923/2083) for the professional sub-survey. Students from all semesters (1-6, n=272) were represented, with a majority from semester 2, 4 and 6. Top reasons for choosing the BLS education were; easy to get a job (65%), stimulating work tasks (59%) and a good education for further studies (39%). A majority of the students planned for further advanced academic studies (64%) and 54% percent were interested in a potential nationally regulated specialist training. Among professionals, 21% stated there were explicit career paths at their workplace. The individual interest for a potential nationally regulated specialist training was 53% and most responders (93%) stated a need for such an education in Sweden. Among IBL members, there is great interest in a nationally regulated specialized training among both future and present professionals in Sweden. In relation to a future shortage, we also show that in order to attract students to BLS training, we need to be able to offer advanced training as well.
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  • Bergengren, Lovisa, 1971-, et al. (författare)
  • Comparison between professional sampling and self-sampling for HPV-based cervical cancer screening among postmenopausal women
  • 2018
  • Ingår i: International Journal of Gynecology & Obstetrics. - : Wiley-Blackwell Publishing Inc.. - 0020-7292 .- 1879-3479. ; 142:3, s. 359-364
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To investigate whether self-sampling is as reliable as professional sampling for HPV testing and genotype detection among postmenopausal women.METHODS: In the present prospective cross-sectional study, women in Örebro County, Sweden, who had high-risk HPV (hrHPV) and normal cytology results in exit screening tests conducted in between January 1, 2012, and December 31, 2014, were invited to follow-up screenings between February 24, 2015 and May 15, 2015, that included professional sampling and self-sampling. HPV genotypes were identified by a DNA-based assay that could detect 35 HPV genotypes. Findings between the different sampling methods were compared.RESULTS: Of 143 women who participated, 119 returned a self-sample. Completely concordant results were observed in 67 of these samples when both hrHPV and low-risk HPV genotypes were analyzed. Overall, 99 (83.2%) women had the same clinically relevant finding from both sampling methods. Twenty women had discordant hrHPV results (hrHPV detected in 10 self-samples vs 10 professionally collected samples; Cohen κ 0.66, 95% confidence interval 0.53-0.80). There was no significant difference between the two sampling methods for clinically significant infections (P>0.99) or extended genotyping (P=0.827).CONCLUSION: Postmenopausal women could be offered self-sampling devices to increase screening-program coverage while maintaining test quality.
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  • Bergengren, Lovisa, 1971-, et al. (författare)
  • HPV-based screening for cervical cancer among women 55-59 years of age
  • 2019
  • Ingår i: PLOS ONE. - : PLOS. - 1932-6203. ; 14:6
  • Tidskriftsartikel (refereegranskat)abstract
    • AIM: Many cervical cancers occurs among women over 65 and prevalence of HPV genotypes in this age cohort is sparingly studied. One aim of this study was to study the prevalence and distribution of HPV genotypes in women 55-59 years, with normal cytology when exiting the screening program. Secondly, HPV clearance as well as the value of HPV genotyping and/or liquid based cytology as triage tests for identifying histological dysplasia among women with persistent HPV was studied.METHODS: Women that exited the screening program with normal cytology, between the years 2012-2014, in Örebro County, Sweden, were invited to this study. A total of 2946 samples were analyzed with a broad-spectrum assay to detect both hrHPV and lrHPV in order to investigate the distribution of genotypes. In the consent group, women with a positive hrHPV test were offered a follow-up test and a cone biopsy for histological confirmation, and a follow up sample 6 months post cone.RESULTS: The overall prevalence of hrHPV was 7.4% and 59% of them remained hrHPV positive in a follow-up test after 12 months. A total of 99 women had a cone biopsy done, where 19% showed histological dysplasia. HPV 53 was the most common genotype, and among women with histology confirmed LSIL or HSIL, HPV 31 was most common. A positive hrHPV result showed a PPV of 25% for LSIL+ and 12.5%for HSIL+. Using detection of HPV 16/18 genotypes as a triage test for hrHPV positive tests, indicated FNR for histological LSIL+ and HSIL+ of 94% and 87.5% respectively, whilst triage based on cervical cytology had a FNR of 69% for LSIL+ and 37.5% for HSIL+.CONCLUSION: The most common hrHPV genotypes among women 55-59 years of age were non HPV16/18 genotypes, and in this population, these genotypes represented most of the histological verified HSIL lesions. This result does not support the proposition of a HPV 16/18 triaging test after a positive hrHPV test as a marker of histological HSIL+ cervical lesions in women over 55 years of age. Similarly, cytological triage after a positive hrHPV showed no additional benefit in this population. Specific triaging tests should be validated to follow post-menopausal women with a positive hrHPV test.
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  • Dorofte, Luiza, 1982-, et al. (författare)
  • Low level of interobserver concordance in assessing histological subtype and tumor grade in patients with penile cancer may impair patient care
  • 2022
  • Ingår i: Virchows Archiv. - : Springer. - 0945-6317 .- 1432-2307. ; 480:4, s. 879-886
  • Tidskriftsartikel (refereegranskat)abstract
    • Differentiation between penile squamous cell carcinoma patients who can benefit from limited organ-sparing surgery and those at significant risk of lymph node metastasis is based on histopathological prognostic factors including histological grade and tumor histological subtype. We examined levels of interobserver and intraobserver agreement in assessment of histological subtype and grade in 207 patients with penile squamous cell carcinoma. The cases were assessed by seven pathologists from three hospitals located in Sweden and Italy. There was poor to moderate concordance in assessing both histological subtype and grade, with Fleiss kappas of 0.25 (range: 0.02-0.48) and 0.23 (range: 0.07-0.55), respectively. When choosing HPV-associated and non-HPV-associated subtypes, interobserver concordance ranged from poor to good, with a Fleiss kappa value of 0.36 (range: 0.02-0.79). A re-review of the slides by two of the pathologists showed very good intraobserver concordance in assessing histological grade and subtype, with Cohen's kappa values of 0.94 and 0.91 for grade and 0.95 and 0.84 for subtype. Low interobserver concordance could lead to undertreatment and overtreatment of many patients with penile cancer, and brings into question the utility of tumor histological subtype and tumor grade in determining patient treatment in pT1 tumors. 
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7.
  • Gebregzabher, Endale, et al. (författare)
  • Detection of High- and Low-Risk HPV DNA in Archived Breast Carcinoma Tissues from Ethiopian Women
  • 2021
  • Ingår i: International Journal of Breast Cancer. - : Hindawi Publishing Corporation. - 2090-3170 .- 2090-3189. ; 2021
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Human papilloma virus (HPV) is involved in the development of cancer of the cervix, mouth and throat, anus, penis, vulva, or vagina, but it has not been much considered as a cause of breast cancer. Recently, a number of investigations have linked breast cancer to viral infections. High-risk HPV types, predominantly HPV types 16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, and 59, are established as carcinogens in humans. In this study we aimed to detect 19 high-risk and 9 low-risk HPVs from archived breast tumor tissue among Ethiopian women.Methods: In this study, 75 breast cancer patients from Tikur Anbassa Specialized Hospital in Addis Ababa (Ethiopia) were included. HPV detection and genotyping were done using the novel Anyplex™ II HPV28 Detection Assay at the Orebro University Hospital, Sweden. The Anyplex™ II PCR System detects 19 high-risk HPV types (16, 18, 26, 31, 33, 35, 39, 45, 51, 52, 53, 56, 58, 59, 66, 68, 69, 73, and 82) and 9 low-risk HPV types (6, 11, 40, 42, 43, 44, 54, 61, and 70). IHC for p16 was done using an automated system, the Dako Autostainer Link.Results: Out of the 75 valid tests, two were found to be positive (2.7%) for HPV. One of the cases was positive for the high-risk HPV16 genotype while the other was positive both for the high-risk HPV39 and the low-risk HPV6. The cell cycle protein p16 was highly expressed in the case positive for the high-risk HPV16, but it was not expressed in the case positive for HPV39.Conclusion: The prevalence of HPV is low in Ethiopian breast cancer patients, but the role played by HPV in breast carcinogenesis among Ethiopian breast cancer patients cannot be commented based on these observations.
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  • Helenius, Gisela, 1973-, et al. (författare)
  • Molecular triage of cervical screening samples in women 55-59 years of age : a pilot study
  • 2023
  • Ingår i: Infectious Agents and Cancer. - : BioMed Central (BMC). - 1750-9378. ; 18:1
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: With HPV screening the specificity of screening positives has decreased, even with a cytological triage test. Increases in colposcopies and detection of benign or low-grade dysplasia are reported, not least in older women. These results highlight the necessity to find other triage tests in HPV screening strategies, so that women can be more accurately selected for colposcopy, thus minimizing the clinically irrelevant findings.METHODS: The study included 55- to 59-year-old women who exited the screening with normal cytology, but later in a follow-up test were positive for the HPV genotypes 16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and 68 and had a cervical cone biopsy done. To model a screening situation with hrHPV-positive women, three different triage strategies, namely, cytology, genotyping and methylation, were performed. The study considered the effect of direct referral to colposcopy for HPV genotypes 16, 18, 31, 33, 45, 52 and 58, and methylation for FAM19A4 and hsa-mir124-2 and/or any form of abnormal cytology.RESULTS: Seven out of 49 women aged 55-59 years with hrHPV had a cone biopsy with high-grade squamous intraepithelial lesion. No triage method found all cases, and when comparing positive and negative predictive value and false negative rate, cytology showed better results than genotyping and methylation.CONCLUSION: This study does not support a switch in triage strategies from cytology to hrHPV genotyping and methylation for women above 55 years of age yet, but demonstrates the need for more evidence on molecular triage strategies.
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10.
  • Helenius, Gisela, 1973-, et al. (författare)
  • Preliminary data from a Swedish self-sampling study in postmenopausal women
  • 2019
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
    • Background: An updated screening algorithm was introduced in Sweden 2015. Primary HPV test for women >30 years old and a prolonged screening with the last test after 64 years of age were some of the changes. In the region of Örebro County, the previous cut-off age was 60 years and with a screening interval of 5 years, women left their last sample when they were 55-59 years old. In the shift between two screening programs, a group of women, 60-64 years old, that left the program 5-10 years ago were now included in the new screening. For re-inclusion, a two year long program was formed to catch-up this group of women and screen them according to the new screening algorithm. At the same time a research project investigating self-sampling was launched. At the same time as the women were invited for a last screening sample they were also asked to participate in a study where they should take a vaginal self-test up to one week after their ordinary screening sample was taken by a midwife.Method: Postmenopausal women between 64-70 years was included in the study. HPV status in samples from midwife sampling (MS) was compared to self-sampling (SS) samples. HPV was analyzed using HPV Aptima and all HPV positive samples, independent of sampling method, was triaged with cytology and followed-up according to national guidelines.Results: So far, 585 women with paired samples have been included in the study. In the MS, 4% of the women are positive for hrHPV compared to 11% in the SS group. In 486/585 women, the results of the two samples are concordant. Among the non-concordant samples (13%), 62% were positive in SS and negative in MS. The opposite, negative in SS and positive in MS were seen in 4% of the samples. Among the MS negative samples, 32% were invalid in SS. Cytology was used as a triage test for HPV positive women, both for MS and SS. Of 23 hrHPV positive, 18 had normal cytology, 2 ASCUS, 1 LSIL and 1 HSIL. In the samples with abnormal cytology, 4/5 were hrHPV positive in both SS and MS. One sample was positive in SS but negative in MS.Discussion: In this age group, more women are hrHPV positive in SS compared to MS. This is in line with what other have seen. Among the very few hrHPV positive samples with abnormal cytology, the majority was hrHPV positive in both MS and SS. But since cytology is a poor triage marker in this age group clinical follow-up is needed before the effectiveness of the both sampling methods can be concluded.
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