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Search: WFRF:(Ahlgren Karin) > Holmberg Lars

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1.
  • Adolfsson, Jan, et al. (author)
  • Clinical characteristics and primary treatment of prostate cancer in Sweden between 1996 and 2005 : Data from the national prostate cancer register in Sweden
  • 2007
  • In: Scandinavian Journal of Urology and Nephrology. - Stockholm : Taylor & Francis. - 0036-5599 .- 1651-2065. ; 41:6, s. 456-477
  • Journal article (peer-reviewed)abstract
    • Objective. The incidence of prostate cancer is rising rapidly in Sweden and there is a need to better understand the pattern of diagnosis, tumor characteristics and treatment. Material and methods. Between 1996 and 2005, all new cases of adenocarcinoma of the prostate gland were intended to be registered in the National Prostate Cancer Register (NPCR). This register contains information on diagnosing unit, date of diagnosis, cause of diagnosis, tumor grade, tumor stage according to the TNM classification in force, serum prostate-specific antigen (PSA) levels at diagnosis and primary treatment given within the first 6 months after diagnosis. Results. In total, 72 028 patients were registered, comprising >97% of all pertinent incident cases of prostate cancer in the Swedish Cancer Register (SCR). During the study period there was a considerable decrease in median age at the time of diagnosis, a stage migration towards smaller tumors, a decrease in median serum PSA values at diagnosis, a decrease in the age-standardized incidence rate of men diagnosed with distant metastases or with a PSA level of >100 ng/ml at diagnosis and an increase in the proportion of tumors with Gleason score ≤6. Relatively large geographical differences in the median age at diagnosis and the age-standardized incidence of cases with category T1c tumors were observed. Treatment with curative intent increased dramatically and treatment patterns varied according to geographical region. In men with localized tumors and a PSA level of <20 ng/ml at diagnosis, expectant treatment was more commonly used in those aged ≥75 years than in those aged <75 years. Also, the pattern of endocrine treatment varied in different parts of Sweden. Conclusions. All changes in the register seen over time are consistent with increased diagnostic activity, especially PSA testing, resulting in an increased number of cases with early disease, predominantly tumors in category T1c. The patterns of diagnosis and treatment of prostate cancer vary considerably in different parts of Sweden. The NPCR continues to be an important source for research, epidemiological surveillance of the incidence, diagnosis and treatment of prostate cancer
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2.
  • Adolfsson, Jan, et al. (author)
  • Clinical characteristics and primary treatment of prostate cancer in Sweden between 1996 and 2005
  • 2007
  • In: Scandinavian Journal of Urology and Nephrology. - : Informa UK Limited. - 0036-5599 .- 1651-2065. ; 41:6, s. 456-477
  • Journal article (peer-reviewed)abstract
    • OBJECTIVE: The incidence of prostate cancer is rising rapidly in Sweden and there is a need to better understand the pattern of diagnosis, tumor characteristics and treatment. MATERIAL AND METHODS: Between 1996 and 2005, all new cases of adenocarcinoma of the prostate gland were intended to be registered in the National Prostate Cancer Register (NPCR). This register contains information on diagnosing unit, date of diagnosis, cause of diagnosis, tumor grade, tumor stage according to the TNM classification in force, serum prostate-specific antigen (PSA) levels at diagnosis and primary treatment given within the first 6 months after diagnosis. RESULTS: In total, 72,028 patients were registered, comprising >97% of all pertinent incident cases of prostate cancer in the Swedish Cancer Register (SCR). During the study period there was a considerable decrease in median age at the time of diagnosis, a stage migration towards smaller tumors, a decrease in median serum PSA values at diagnosis, a decrease in the age-standardized incidence rate of men diagnosed with distant metastases or with a PSA level of > 100 ng/ml at diagnosis and an increase in the proportion of tumors with Gleason score <6. Relatively large geographical differences in the median age at diagnosis and the age-standardized incidence of cases with category T1c tumors were observed. Treatment with curative intent increased dramatically and treatment patterns varied according to geographical region. In men with localized tumors and a PSA level of <20 ng/ml at diagnosis, expectant treatment was more commonly used in those aged > or =75 years than in those aged <75 years. Also, the pattern of endocrine treatment varied in different parts of Sweden. CONCLUSIONS: All changes in the register seen over time are consistent with increased diagnostic activity, especially PSA testing, resulting in an increased number of cases with early disease, predominantly tumors in category T1c. The patterns of diagnosis and treatment of prostate cancer vary considerably in different parts of Sweden. The NPCR continues to be an important source for research, epidemiological surveillance of the incidence, diagnosis and treatment of prostate cancer.
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3.
  • Duffy, Stephen W., et al. (author)
  • Mammography screening reduces rates of advanced and fatal breast cancers : Results in 549,091 women
  • 2020
  • In: Cancer. - : John Wiley & Sons. - 0008-543X .- 1097-0142. ; 126:13, s. 2971-2979
  • Journal article (peer-reviewed)abstract
    • Background: It is of paramount importance to evaluate the impact of participation in organized mammography service screening independently from changes in breast cancer treatment. This can be done by measuring the incidence of fatal breast cancer, which is based on the date of diagnosis and not on the date of death.Methods: Among 549,091 women, covering approximately 30% of the Swedish screening‐eligible population, the authors calculated the incidence rates of 2473 breast cancers that were fatal within 10 years after diagnosis and the incidence rates of 9737 advanced breast cancers. Data regarding each breast cancer diagnosis and the cause and date of death of each breast cancer case were gathered from national Swedish registries. Tumor characteristics were collected from regional cancer centers. Aggregated data concerning invitation and participation were provided by Sectra Medical Systems AB. Incidence rates were analyzed using Poisson regression.Results: Women who participated in mammography screening had a statistically significant 41% reduction in their risk of dying of breast cancer within 10 years (relative risk, 0.59; 95% CI, 0.51‐0.68 [P  < .001]) and a 25% reduction in the rate of advanced breast cancers (relative risk, 0.75; 95% CI, 0.66‐0.84 [P  < .001]).Conclusions: Substantial reductions in the incidence rate of breast cancers that were fatal within 10 years after diagnosis and in the advanced breast cancer rate were found in this contemporaneous comparison of women participating versus those not participating in screening. These benefits appeared to be independent of recent changes in treatment regimens.
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4.
  • Tabar, Laszlo, et al. (author)
  • Early detection of breast cancer rectifies inequality of breast cancer outcomes
  • 2021
  • In: Journal of Medical Screening. - : Sage Publications. - 0969-1413 .- 1475-5793. ; 28:1, s. 34-38
  • Journal article (peer-reviewed)abstract
    • Objectives: To explain apparent differences among mammography screening services in Sweden using individual data on participation in screening and with breast cancer-specific survival as an outcome.Methods: We analysed breast cancer survival data from the Swedish Cancer Register on breast cancer cases from nine Swedish counties diagnosed in women eligible for screening. Data were available on 38,278 breast cancers diagnosed and 4312 breast cancer deaths. Survival to death from breast cancer was estimated using the Kaplan-Meier estimate, for all cases in each county, and separately for cases of women participating and not participating in their last invitation to screening. Formal statistical comparisons of survival were made using proportional hazards regression.Results: All counties showed a reduction in the hazard of breast cancer death with participation in screening, but the reductions for individual counties varied substantially, ranging from 51% (95% confidence interval 46-55%) to 81% (95% confidence interval 74-85%). Survival rates in nonparticipating women ranged from 53% (95% confidence interval 40-65%) to 74% (95% confidence interval 72-77%), while the corresponding survival in women participating in screening varied from 80% (95% confidence interval 77-84%) to 86% (95% confidence interval 83-88%), a considerably narrower range.Conclusions: Differences among counties in the effect of screening on breast cancer outcomes were mainly due to variation in survival in women not participating in screening. Screening conferred similarly high survival rates in all counties. This indicates that the performance of screening services was similar across counties and that detection and treatment of breast cancer in early-stage reduces inequalities in breast cancer outcome.
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  • Result 1-4 of 4
Type of publication
journal article (4)
Type of content
peer-reviewed (4)
Author/Editor
Jonsson, Håkan (2)
Fredriksson, Irma (2)
Stattin, Pär (2)
Bill-Axelson, Anna (2)
Johansson, Jan-Erik (2)
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Adolfsson, Jan (2)
Garmo, Hans (2)
Ahlgren, Göran (2)
Bratt, Ola (2)
Hellström, Karin (2)
Hellström, Magnus (2)
Törnblom, Magnus (2)
Widmark, Anders (2)
Ahlgren, Johan (2)
Sundbom, Ann (2)
Bordas, Pal (2)
Tabar, Laszlo (2)
Duffy, Stephen W. (2)
Wu, Wendy Yi-Ying (2)
Hsu, Chen-Yang (2)
Yen, Amy Ming-Fang (2)
Fann, Jean Ching-Yua ... (2)
Smith, Robert A. (2)
Chiu, Sherry Yueh-Hs ... (2)
Dean, Peter B. (2)
Chen, Tony Hsiu-Hsi (2)
Chen, Yu-Ching (2)
Varenhorst, Eberhard (1)
Ahlstrand, Christer (1)
Andren, Ove, 1963- (1)
Damber, Jan-Erik (1)
Holmberg, Erik (1)
Hugosson, Jonas (1)
Petterson, Bill (1)
Varenhorst, Eberhard ... (1)
Ahlstrand, Christer, ... (1)
Andrén, Ove (1)
Damber, Jan-Erik, 19 ... (1)
Holmberg, Erik, 1951 (1)
Hugosson, Jonas, 195 ... (1)
Pettersson, Bill, 19 ... (1)
Törnberg, Sven (1)
Björkgren, Annika (1)
Chen, Sam Li-Sheng (1)
Grundström, Helene (1)
Ku, May Mei-Sheng (1)
Tornberg, Sven (1)
Li-Sheng, Sam (1)
Mei-Sheng, May (1)
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University
Umeå University (3)
Uppsala University (3)
Karolinska Institutet (3)
University of Gothenburg (1)
Örebro University (1)
Linköping University (1)
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Lund University (1)
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Language
English (4)
Research subject (UKÄ/SCB)
Medical and Health Sciences (4)

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