| 1. |
- Aareleid, Tiiu, et al.
(författare)
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Lung cancer in Estonia in 1968-87 : time trends and public health implications.
- 1994
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Ingår i: European Journal of Cancer Prevention. - 0959-8278 .- 1473-5709. ; 3:5, s. 419-425
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Tidskriftsartikel (refereegranskat)abstract
- Changes in lung cancer incidence and mortality in Estonia were studied for 20 years (1968-87). A steady upward trend was observed for men and women. The 1983-87/1968-72 age-standardized incidence rate ratio was 1.22 (95% confidence interval (CI) 1.15-1.29) in men and 1.34 (95% CI 1.16-1.54) in women. The corresponding mortality rate ratio was 1.26 (95% CI 1.18-1.34) in men and 1.35 (95% CI 1.16-1.57) in women. The age-specific incidence and mortality rates increased clearly towards the younger birth cohorts. For men and women, the increase was most evident for the age group 45-64 years. In women there was a more rapid increase in incidence and mortality than in men. It may be a result of a substantial increase of tobacco smoking, particularly among women, after the World War II. The high and still rising occurrence of lung cancer is closely related to the high prevalence of smoking; in addition, high tar yields in domestic cigarettes could have been responsible for an elevated lung cancer risk during the past decades. There is not tobacco control programme in Estonia, and existing legislation and regulations do not defend the non-smoking population.
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| 2. |
- Almquist, Martin, et al.
(författare)
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Serum calcium and tumour aggressiveness in breast cancer: a prospective study of 7847 women.
- 2009
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Ingår i: European Journal of Cancer Prevention. - 1473-5709. ; 18, s. 354-360
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Tidskriftsartikel (refereegranskat)abstract
- Experimental, epidemiological and clinical studies suggest that calcium and/or its regulating hormones affect breast cancer risk. There has been no prospective cohort study investigating serum calcium levels and breast cancer aggressiveness, as determined by tumour histology and stage. Dichotomized prediagnostic serum calcium levels were investigated in relation to breast cancer aggressiveness as determined by grade (mitotic frequency, tubule formation, nuclear atypia) and stage (tumour size and axillary lymph node status). Cox's proportional hazards analysis and heterogeneity analysis were used to investigate the associations between low/high calcium and grade/stage in a prospective cohort study of 7847 women, out of whom 462 women were diagnosed with incident breast cancer during a mean follow-up of 17.2 years. All analyses were stratified for body mass index and menopausal status. Prediagnostic serum calcium levels in premenopausal women were positively associated with increased tumour aggressiveness as determined by a higher risk of nodal metastasis; relative risk (RR) for calcium above median as compared with calcium below median was 1.88 with a 95% confidence interval (CI) of 1.04-3.38. In overweight women, prediagnostic serum calcium levels were also associated with tumour aggressiveness, as determined by both a higher risk of nodal metastasis [RR (95% CI) 1.69 (0.95-3.02)] and severe nuclear atypia [RR (95% CI) 2.06 (1.10-3.86)]. Results also indicate that, in overweight women, calcium is positively associated with worse grade as determined by tubule formation and mitotic frequency. In conclusion, prediagnostic serum calcium levels are positively associated with increased tumour aggressiveness in premenopausal and/or overweight women.
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| 3. |
- Bevier, Melanie, et al.
(författare)
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Incidence of cancer of unknown primary in Sweden: analysis by location of metastasis.
- 2012
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Ingår i: European Journal of Cancer Prevention. - 1473-5709. ; 21:6, s. 596-601
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Tidskriftsartikel (refereegranskat)abstract
- Increasing incidences of cancer of unknown primary (CUP) have been observed in Sweden previously. However, it is not known how the incidence trends for specific locations of metastasis vary. Site-specific data are available on the basis of the ninth international classification of diseases. CUP patients were identified between 1987 and 2008 from the Swedish Family-Cancer Database. Malignant neoplasms of ill-defined sites were diagnosed in 4042 patients, 1976 developed metastasis in lymph nodes, 9615 had metastasis in specified organs, and in 8052 patients, the malignant neoplasm was diagnosed without further specification. Age-standardized incidence rates for 23 685 patients were analyzed using a direct method of standardization. Overall, the incidence of CUP decreased from 6.98 to 6.00 per 100 000 from 1987 to 2008. The number of patients diagnosed with metastasis in specified organs decreased, whereas the number of patients diagnosed with CUP without further specification increased from 2.65 to 3.02 per 100 000. With improvements in diagnostic methods and imaging techniques for identification of cancer, the incidences of CUP have been decreasing because primary tumors can be specified more often. Computed tomography is typically sensitive in detecting lung, kidney, and colorectal cancers, which are known to have a genetic link with CUP. Prostate-specific antigen testing is used to detect prostate cancer, for which bone is a common metastatic site. Liver metastases are common if the primary tumor is located in the colorectum. If the primary tumor is found, this cancer site replaces the diagnosis of CUP within the Cancer Register and therefore CUP incidence is decreased.
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| 4. |
- Boffetta, P, et al.
(författare)
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A prospective study of gout and cancer
- 2009
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Ingår i: European journal of cancer prevention : the official journal of the European Cancer Prevention Organisation (ECP). - 1473-5709. ; 18:2, s. 127-132
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Tidskriftsartikel (refereegranskat)
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| 7. |
- Bonn, Stephanie E., et al.
(författare)
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Is leisure time sitting associated with mortality rates among men diagnosed with localized prostate cancer?
- 2020
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Ingår i: European Journal of Cancer Prevention. - : Lippincott Williams & Wilkins. - 0959-8278 .- 1473-5709. ; 29:2, s. 134-140
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: Being physically active postdiagnosis has been associated with lower rates of prostate cancer progression and mortality, but studies investigating postdiagnostic time spent sitting are lacking. We aim to study the association between leisure time sitting after a prostate cancer diagnosis and overall and prostate cancer-specific mortality. METHODS: Data from 4595 men in Sweden, diagnosed with localized prostate cancer between 1997-2002 and followed-up until the end of 2012, were analyzed. Time spent sitting during leisure time postdiagnosis was categorized into <2, 2-3, 3-4, and >4 h/day. Multivariable-adjusted Cox proportional hazards models were used to estimate hazard ratios (HRs) with 95% confidence intervals (CI) of postdiagnosis leisure time sitting and a joint variable of sitting time and exercise, and time to overall or prostate cancer-specific death. RESULTS: The results showed no significant associations between postdiagnostic leisure time sitting and overall or prostate cancer-specific mortality rates. When the joint effect of both sitting and exercise time was considered, borderline significantly lower mortality rates for overall and prostate cancer-specific mortality were seen among participants that sat the least and exercised the most compared to the reference category with participants sitting the most and exercising least (HR: 0.75; 95% CI: 0.56-1.00 and HR: 0.61; 95% CI: 0.36-1.05, respectively). CONCLUSIONS: No significant association between leisure time sitting and mortality rates among men diagnosed with localized prostate cancer was seen. This study does not support an association between leisure time sitting per se; however, being physically active may have beneficial effects on survival among men diagnosed with localized prostate cancer.
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| 9. |
- Bryant, Patrick, et al.
(författare)
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Exome sequencing in a Swedish family with PMS2 mutation with varying penetrance of colorectal cancer : investigating the presence of genetic risk modifiers in colorectal cancer risk
- 2023
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Ingår i: European Journal of Cancer Prevention. - 0959-8278 .- 1473-5709. ; 32:2, s. 113-118
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Tidskriftsartikel (refereegranskat)abstract
- Objective Lynch syndrome is caused by germline mutations in the mismatch repair (MMR) genes, such as the PMS2 gene, and is characterised by a familial accumulation of colorectal cancer. The penetrance of cancer in PMS2 carriers is still not fully elucidated as a colorectal cancer risk has been shown to vary between PMS2 carriers, suggesting the presence of risk modifiers.Methods Whole exome sequencing was performed in a Swedish family carrying a PMS2 missense mutation [c.2113G>A, p.(Glu705Lys)]. Thirteen genetic sequence variants were further selected and analysed in a case-control study (724 cases and 711 controls).Results The most interesting variant was an 18 bp deletion in gene BAG1. BAG1 has been linked to colorectal tumour progression with poor prognosis and is thought to promote colorectal tumour cell survival through increased NF-κB activity.Conclusions We conclude the genetic architecture behind the incomplete penetrance of PMS2 is complicated and must be assessed in a genome wide manner using large families and multifactorial analysis.
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