9 results on '"Kaijser, Magnus"'
Search Results
2. Acute Myeloid Leukemia Following Hodgkin Lymphoma: A Population-Based Study of 35 511 Patients
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Schonfeld, Sara J., primary, Gilbert, Ethel S., additional, Dores, Graça M., additional, Lynch, Charles F., additional, Hodgson, David C., additional, Hall, Per, additional, Storm, Hans, additional, Andersen, Aage, additional, Pukkala, Eero, additional, Holowaty, Eric, additional, Kaijser, Magnus, additional, Andersson, Michael, additional, Joensuu, Heikki, additional, Fosså, Sophie D., additional, Allan, James M., additional, and Travis, Lois B., additional
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- 2006
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3. Second Cancers Among 40 576 Testicular Cancer Patients: Focus on Long-term Survivors
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Travis, Lois B., primary, Fosså, Sophie D., additional, Schonfeld, Sara J., additional, McMaster, Mary L., additional, Lynch, Charles F., additional, Storm, Hans, additional, Hall, Per, additional, Holowaty, Eric, additional, Andersen, Aage, additional, Pukkala, Eero, additional, Andersson, Michael, additional, Kaijser, Magnus, additional, Gospodarowicz, Mary, additional, Joensuu, Timo, additional, Cohen, Randi J., additional, Boice, John D., additional, Dores, Graça M., additional, and Gilbert, Ethel S., additional
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- 2005
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4. Second Cancers Among 104760 Survivors of Cervical Cancer: Evaluation of Long-Term Risk.
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Chaturvedi, Anil K., Engels, Eric A., Gilbert, Ethel S., Chen, Bingshu E., Storm, Hans, Lynch, Charles F., Hall, Per, Langmark, Froydis, Pukkala, Eero, Kaijser, Magnus, Andersson, Michael, Fosså, Sophie D., Joensuu, Heikki, Boice, John D., Kleinerman, Ruth A., and Travis, Lois B.
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CERVICAL cancer diagnosis ,RADIOTHERAPY ,HEALTH risk assessment ,MEDICAL research ,PAPILLOMAVIRUSES - Abstract
Background Given the extended survival of patients diagnosed with cervical cancer, the large number of these women treated with radiotherapy, and the presence in this population of established cancer risk factors such as human papillomavirus (HPV) infection and cigarette smoking, it is important to clarify long-term trends in second cancer risk. Methods Using data from 104 760 one-year survivors of cervical cancer reported to 13 population-based cancer registries in Denmark, Finland, Norway, Sweden, and the United States, we calculated standardized incidence ratios (SIRS) for second cancers overall and cancers at particular sites among women with cervical cancer, including cervical cancer patients who were treated or not treated with radiation, over more than 40 years of follow-up. Cox regression models were used to assess the time-varying association of radiotherapy with risk of second cancers and to assess the interaction of radiation treatment with age at diagnosis. All statistical tests were two-sided. Results Among 104760 one-year survivors of cervical cancer, the risk of all second cancers taken together was increased to a statistically significant extent (n = 12496; SIR = 1.30; 95% confidence interval [CI] = 1.28 to 1.33). Compared with the general population, in both radiotherapy (N = 52 613) and no-radiotherapy groups (N = 27 382), risks for HPV-related cancers (of the pharynx, genital sites, and rectumlanus) and smoking-related cancers (of the pharynx, trachealbronchusllung, pancreas, and urinary bladder) were elevated to a statistically significant extent. Cervical cancer patients treated with radiotherapy, but not those who did not receive radiotherapy, were at increased risk for all second cancers and cancers at heavily irradiated sites (colon, rectumlanus, urinary bladder, ovary, and genital sites) beyond 40 years of follow-up compared with women in the general population. The association of radiotherapy with second cancer risk was modified by age at cervical cancer diagnosis for rectumlanus, genital sites, and urinary bladder, with higher hazard ratios for second cancer at younger ages of cervical cancer. After adjustment for competing mortality, the 40-year cumulative risk of any second cancer was higher among women diagnosed with cervical cancer before age 50 (22.2%; 95% CI = 21.5% to 22.8%) than among women diagnosed after age 50 (16.4%; 95% CI = 16.1% to 16.9%). Conclusion Cervical cancer patients treated with radiotherapy are at increased risk of second cancers at sites in close proximity to the cervix beyond 40 years of follow-up. [ABSTRACT FROM AUTHOR]
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- 2007
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5. Noncancer Causes of Death in Survivors of Testicular Cancer.
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Fossá, Sophie D., Gilbert, Ethel, Dores, Graca M., Jinbo Chen, McGlynn, Katherine A., Schonfeld, Sara, Storm, Hans, Hall, Per, Holowaty, Eric, Andersen, Aage, Joensuu, Heikki, Andersson, Michael, Kaijser, Magnus, Gospodarowicz, Mary, Cohen, Randi, Pukkala, Eero, and Travis, Lois B.
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MORTALITY ,CANCER patients ,TESTICULAR cancer ,ANTINEOPLASTIC agents - Abstract
Background Although modern treatments for testicular cancer are associated with increased survival, the long-term health effects of these treatments are unclear. We conducted a population-based study to quantify the long-term risks of mortality from noncancer causes among men with testicular cancer. Methods We identified 38907 one-year survivors of testicular cancer within 14 population-based cancer registries in North America and Europe (from 1943 through 2002). We used data from these registries to calculate standardized mortality ratios (SMRs) for noncancer deaths and to evaluate associations between histology, age at testicular cancer diagnosis, calendar year of diagnosis, and initial treatment and the risk of noncancer mortality. All statistical tests were two-sided. Results A total of 2942 deaths from all noncancer causes were reported after a median follow-up of 10 years, exceeding the expected number of deaths from all noncancer causes in the general population by 6% (SMR = 1.06, 95% confidence interval [CI] = 1.02 to 1.10); the noncancer standardized mortality ratios did not differ statistically significantly between patients diagnosed before and after 1975, when cisplatin-based chemotherapy came into widespread use. Compared with the general population, testicular cancer survivors had higher mortality from infections (SMR = 1.28, 95% CI = 1.12 to 1.47) and from digestive diseases (SMR = 1.44, 95% CI = 1.26 to 1.64). Mortality from all circulatory diseases was statistically significantly elevated in men diagnosed with testicular cancer before age 35 years (1.23, 95% CI = 1.09 to 1.39) but not in men diagnosed at older ages (SMR = 0.94; 95% CI = 0.89 to 1.00). Men treated with chemotherapy (with or without radiotherapy) in 1975 or later had higher mortality from all noncancer causes (SMR = 1.34, 95% CI = 1.15 to 1.55), all circulatory diseases (SMR = 1.58, 95% CI = 1.25 to 2.01), all infections (SMR = 2.48, 95% CI = 1.70 to 3.50), and all respiratory diseases (SMR = 2.53, 95% CI = 1.26 to 4.53). Testicular cancer patients who were younger than 35 years at diagnosis and were treated with radiotherapy alone in 1975 or later had higher mortality from all circulatory diseases (SMR = 1.70, 95% CI = 1.21 to 2.31) compared with the general population. Conclusion Men who have survived for at least 1 year after being diagnosed with testicular cancer have a slightly higher risk of dying from noncancer causes, including infections, digestive diseases, and circulatory diseases, than the general population. Men treated with chemotherapy in 1975 or later may be at particularly high risk. [ABSTRACT FROM AUTHOR]
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- 2007
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6. Suicide After Breast Cancer: a International Population-Based Study of 723810 Women.
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Schairer, Catherine, Brown, Linda Morris, Chen, Bingshu E., Howard, Regan, Lynch, Charles F., Hall, Per, Storm, Hans, Pukkala, Eero, Anderson, Aage, Kaijser, Magnus, Andersson, Michael, Joensuu, Heikki, Fosså, Sophie D., Ganz, Patricia A., and Travis, Lois B.
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SUICIDE ,CANCER patients ,BREAST cancer ,CANCER in women - Abstract
Few studies have examined long-term suicide risk among breast cancer survivors, and there are no data for women in the United States. We quantified suicide risk through 2002 among 723 810 1-year breast cancer survivors diagnosed between January 1, 1953, and December 31, 2001, and reported to 16 population-based cancer registries in the United States and Scandinavia. Among breast cancer survivors, we calculated standardized mortality ratios (SMRs) and excess absolute risks (EARs) compared with the general population, and the probability of suicide. We used Poisson regression likelihood ratio tests to assess heterogeneity in SMRs; all statistical tests were two-sided, with a .05 cutoff for statistical significance. In total 836 breast cancer patients committed suicide (SMR = 1.37, 95% confidence interval IC!] = 1.28 to 1.47; EAR = 4.1 per 100000 person-years). Although SMRs ranged from 1.25 to 1.53 among registries, with 245 deaths among the sample of US women (SMR 1.49, 95% Cl = 1.32 to 1.70), differences among registries were not statistically significant (P for heterogeneity = .19). Risk was elevated throughout follow-up, including for 25 or more years after diagnosis (SMR = 1.35, 95% Cl = 0.82 to 2.12), and was highest among black women (SMR = 2.88, 95% CI = 1.44 to 5.17) (P for heterogeneity = .06). Risk increased with increasing stage of breast cancer (P for heterogeneity .08) and remained elevated among women diagnosed between 1990 and 2001 (SMR = 1.36, 95% Cl = 1.18 to 1.57). The cumulative probability of suicide was 0.20% 30 years after breast cancer diagnosis. [ABSTRACT FROM AUTHOR]
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- 2006
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7. Second Cancers Among 40576 Testicular Cancer Patients: Focus on Long-term Survivors.
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Travis, Lois B., Fossâ, Sophie D., Schonfeld, Sara J., McMaster, Mary L., Lynch, Charles F., Storm, Hans, Hall, Per, Holowaty, Eric, Andersen, Aage, Pukkala, Eero, Andersson, Michael, Kaijser, Magnus, Gospodarowicz, Mary, Joensuu, Timo, Cohen, Randi J., Boice Jr., John D., Dores, Graça M., and Gilbert, Ethel S.
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CANCER relapse ,MALE reproductive organ cancer ,TESTICULAR diseases ,CANCER risk factors ,CANCER treatment ,CANCER patients ,CANCER diagnosis ,ETIOLOGY of diseases - Abstract
Background: Although second primary cancers are a leading cause of death among men with testicular cancer, few studies have quantified risks among long-term survivors. Methods: Within 14 population-based tumor registries in Europe and North America (1943–2001), we identified 40576 1-year survivors of testicular cancer and ascertained data on any new incident solid tumors among these patients. We used Poisson regression analysis to model relative risks (RRs) and excess absolute risks (EARs) of second solid cancers. All statistical tests were two-sided. Results: A total of 2285 second solid cancers were reported in the cohort. The relative risk and EAR decreased with increasing age at testicular cancer diagnosis (P«.001); the EAR increased with attained age (P«.001) but the excess RR decreased. Among 10-year survivors diagnosed with testicular cancer at age 35 years, the risk of developing a second solid tumor was increased (RR = 1.9, 95% confidence interval [CI] = 1.8 to 2.1). Risk remained statistically significantly elevated for 35 years (RR = 1.7, 95% CI = 1.5 to 2.0; P«.001). We observed statistically significantly elevated risks, for the first time, for cancers of the pleura (malignant mesothelioma; RR = 3.4, 95% CI = 1.7 to 5.9) and esophagus (RR = 1.7, 95% CI = 1.0 to 2.6). Cancers of the lung (RR = 1.5, 95% CI = 1.2 to 1.7), colon (RR = 2.0, 95% CI = 1.7 to 2.5), bladder (RR = 2.7, 95% C1 = 2.2 to 3.1), pancreas (RR = 3.6, 95% CI = 2.8 to 4.6), and stomach (RR = 4.0, 95% CI = 3.2 to 4.8) accounted for almost 60% of the total excess. Overall patterns were similar for seminoma and nonseminoma patients, with lower risks observed for nonseminoma patients treated after 1975. Statistically significantly increased risks of solid cancers were observed among patients treated with radiotherapy alone (RR = 2.0, 95% CI = 1.9 to 2.2), chemotherapy alone (RR = 1.8, 95% CI = 1.3 to 2.5), and both (RR = 2.9, 95% CI = 1.9 to 4.2). For patients diagnosed with seminomas or nonseminomatous tumors at age 35 years, cumulative risks of solid cancer 40 years later (i.e., to age 75 years) were 36% and 31%, respectively, compared with 23% for the general population. Conclusions: Testicular cancer survivors are at statistically significantly increased risk of solid tumors for at least 35 years after treatment. Young patients may experience high levels of risk as they reach older ages. The statistically significantly increased risk of malignant mesothelioma in testicular cancer survivors has, to our knowledge, not been observed previously in a cohort of patients treated with radiotherapy. [ABSTRACT FROM AUTHOR]
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- 2005
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8. In utero exposures and breast cancer: a study of opposite-sexed twins.
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Kaijser, Magnus, Lichtenstein, Paul, Kaijser, M, Lichtenstein, P, Granath, F, Erlandsson, G, Cnattingius, S, and Ekbom, A
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BIRTH weight , *BREAST cancer risk factors , *DISEASES in twins , *BREAST tumors , *COMPARATIVE studies , *ESTROGEN , *RESEARCH methodology , *MEDICAL cooperation , *RESEARCH , *EVALUATION research , *RELATIVE medical risk , *CASE-control method , *PRENATAL exposure delayed effects , *ODDS ratio - Abstract
Focuses on the results of a study on the association between birth weight and breast cancer among female twins of opposite-sexed twin pairs. Hormonal exposures in utero influencing the risk of breast cancer; Narrowness in the range of antenatal estrogen exposure in singleton pregnancies.
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- 2001
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9. Response.
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Chaturvedi, Anil K., Eric A. Engels, Gilbert, Ethel S., Chen, Bingshu E., Storm, Hans, Lynch, Charles F., Hall, Per, Langmark, Froydis, Pukkala, Eero, Kaijser, Magnus, Andersson, Michael, Fossa, Sophie D., Joensuu, Heikki, Boicejr, John D., Kleinerman, Ruth A., and Travis, Lois B.
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LETTERS to the editor ,CERVICAL cancer - Abstract
A response by Anil K. Chaturvedi, Eric A. Engels and Ethel S. Gilbert to a letter to the editor about their article "Second Cancers Among 104760 Survivors of Cervical Cancer: Evaluation of Long-Term Risk" is presented.
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- 2008
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