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Sökning: L773:2045 7634 OR L773:2045 7634 > Sundquist Kristina

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1.
  • Chattopadhyay, Subhayan, et al. (författare)
  • Prostate cancer survivors : Risk and mortality in second primary cancers
  • 2018
  • Ingår i: Cancer Medicine. - : Wiley. - 2045-7634. ; 7:11, s. 5752-5759
  • Tidskriftsartikel (refereegranskat)abstract
    • To assess etiological and clinical consequences of second primary cancers (SPCs) in prostate cancer (PC) patients, we followed newly diagnosed patients to identify men who were diagnosed with a SPC and recorded their causes of death. We used the Swedish Family-Cancer Database to assess relative risks (RRs) and causes of death in SPCs until the year 2015 in patients with a PC diagnosis between 2001 and 2010. Among a total of 4.26 million men, 76 614 were diagnosed with PC at the median age of 71 years. Among them, 8659 (11.3%) received a subsequent diagnosis of SPC after a median follow-up of 4 years. The most common SPCs were colorectal, skin, bladder, and lung cancers, melanoma, and non-Hodgkin lymphoma. The ranking was almost identical with first cancers among elderly men in Sweden. The RR for SPCs in prostate-specific antigen—detected PC was approximately equal to RR in other PC. Mortality patterns of PC patients were distinct depending on the presence or absence of SPC. Among patients with SPC, 47.8% died as a result of the corresponding SPC, followed by other causes (22.2%) and PC (18.1%). For patients without SPC, PC and non-neoplastic causes almost matched each other as the main causes of death (48.5% and 47.8%). The results suggest that SPCs appear autonomous from primary PC and reflect incidence and mortality of first cancers in general. SPC was the most common cause of death in patients with SPC; close to half of the patients died due to SPC. For improved survival in PC patients, prevention and early detection of SPCs would be important, and the present results suggest that risk factors for SPC in PC are the same as those for first cancer in general.
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2.
  • Huang, Wuqing, et al. (författare)
  • Psychiatric disorders in offspring of childhood or adolescent central nervous system tumor survivors : a national cohort study
  • 2021
  • Ingår i: Cancer Medicine. - : Wiley. - 2045-7634. ; 10:2, s. 675-683
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Children experience a higher risk of psychiatric problems when their parents are diagnosed with cancer. However, the psychological effect among offspring who are born after parental cancer diagnosed in childhood or adolescence is unknown. We aimed to investigate the risk of psychiatric disorders in children of survivors with childhood or adolescent central nervous system (CNS) tumors.METHODS: By combining several nationwide Swedish registers, we identified all children who had at least one parent previously diagnosed with CNS tumor below the age of 20. Five children without parental CNS tumor were randomly selected for the matching. Cox proportional hazards model was used to calculate hazard ratios (HRs) with 95% confidence interval (CI).RESULTS: The incidence rate of psychiatric disorders was 8.46 per 1000 person-years in children of CNS tumor survivors, whereas the rate was 7.47 in the matched comparisons, yielding an adjusted HR of 1.10 (95% CI = 0.94, 1.28). Boys of survivors had a higher risk of psychiatric disorders (adjusted HR = 1.29, 95% CI = 1.04, 1.59). The risk of the specific types of psychiatric disorders in children of tumor survivors was comparable with that in the matched comparisons, except for mental retardation. Children of survivors experienced 2.36 times higher risk of mental retardation (95% CI = 1.21, 4.58), mainly of mild mental retardation (adjusted HR = 2.99, 95% CI = 1.40, 6.38).CONCLUSION: Children of survivors with CNS tumor in early life did not experience a significantly increased risk of overall psychiatric disorders, with the exception of an elevated risk of mental retardation that was mainly mild.
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3.
  • Liu, Xiangdong, et al. (författare)
  • Cancer risk in patients with hepatitis C virus infection : A population-based study in Sweden
  • 2017
  • Ingår i: Cancer Medicine. - : Wiley. - 2045-7634. ; 6:5, s. 1135-1140
  • Tidskriftsartikel (refereegranskat)abstract
    • Increased risks of certain cancers have been observed in patients with hepatitis C virus (HCV) infection. However, data on other cancer sites/types are lacking. We analyzed systematically the risk of developing 35 common cancers in patients with HCV infection using a nationwide Swedish database. Patients with HCV infection were identified from the Swedish Hospital Inpatient and Outpatient Register and Primary Health Care Database, and followed until the diagnosis of cancer. Standardized incidence ratios (SIRs) were calculated for subsequent 35 common cancer sites/types between 1990 and 2010 in patients with HCV infection in Sweden. Increased risks were recorded for six cancers. The highest SIR was seen for liver cancer (36.67; 95% CI: 33.20-40.40). The decreased risk was for prostate cancer (0.73; 95% CI: 0.59-0.90) and melanoma (0.50; 95% CI: 0.30-0.79). A significant sex-difference for cancer was observed only for liver cancer (40.72; 95% CI: 36.36-45.45 for men and 27.21; 95% CI: 21.90-33.41 for women). Also, increased SIRs were noted only for liver cancer during the entire period of follow-up. HCV infection was associated with an increased incidence of liver cancer and additionally five other types of cancer. Active surveillance of other cancers may be needed in order to be diagnosed at an earlier stage.
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4.
  • Riihimäki, Matias, et al. (författare)
  • Clinical landscape of cancer metastases
  • 2018
  • Ingår i: Cancer Medicine. - : Wiley. - 2045-7634. ; 7:11, s. 5534-5542
  • Tidskriftsartikel (refereegranskat)abstract
    • Population-based data on metastatic patterns are lacking because cancer registries seldom record metastases. This study uses a novel population-based approach to identify metastases and describes metastatic pathways from 14 common primary cancers to 12 specific metastatic sites. A total of 179 581 patients with metastatic cancer were identified from the Swedish Cancer Registry and metastatic sites were identified using the Cause of Death Register and the National Patient Register. Patterns of metastatic spread were described across age and sex. In men, colorectal cancer was the main source of lung, peritoneal, and liver metastases. Lung cancer was the main origin of pleural and nervous system metastases. Prostate cancer dominated bone metastases but had minor contribution to other metastatic sites. Among women, breast cancer was the dominant origin of most metastatic sites, with the exception of peritoneum which was ruled by metastases from the ovary. As other exceptions, for nervous system metastases, lung cancer was the origin of metastases somewhat more frequently than breast cancer and for liver metastases, colorectal cancer was the main origin instead of breast cancer. The present achievement was to implement the first nationwide description of clinical landscape of cancer metastases, with an aim to serve as a reliable source for clinicians and researchers.
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5.
  • Zheng, Guoqiao, et al. (författare)
  • Prostate cancer incidence and survival in relation to prostate cancer as second cancer in relatives
  • 2022
  • Ingår i: Cancer Medicine. - : Wiley. - 2045-7634. ; 11:10, s. 2117-2124
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: To investigate if the risk of prostate cancer (PC) differs based on the order of primary PC diagnosed in first-degree relatives (FDRs) given possibly different risk factors for PC as first primary cancer (PCa-1) and second primary cancer (PCa-2).SUBJECTS AND METHODS: In this Swedish nationwide cohort, PC diagnosis was followed for among 149,985 men with one FDR affected by PCa-1, 10,972 with one FDR affected by PCa-2 and 2,896,561 without any FDRs affected by cancer in a maximum of 57 years. PC patients were further followed for death due to PC since diagnosis. Relative risk (RR) of PC was estimated with Poisson regression and hazard ratio (HR) with Cox proportional hazard model.RESULTS: Compared to men without any FDRs affected by cancer, the RRs of PC in men with one FDR affected by PCa-1 and PCa-2 were 2.12 (95% confidence interval [CI]: 2.07-2.17) and 1.69 (1.54-1.85), respectively. The risk in men with one FDR affected by PCa-2 was significantly lower than those with one FDR affected by PCa-1 after additionally adjusting for family relationship (father-son and brothers) and age at diagnosis of PC in FDR (RR PCa-2 vs PCa-1 , 0.85, 95% CI, 0.78-0.94). PC patients with a family history of PCa-2 were more likely to be detected at late-stage and less likely to be diagnosed by screening, compared to those with a family history of PCa-1. Patients whose PC was diagnosed after the diagnosis of PCa-1 in FDRs had a better survival than those without a family history of cancer (HR, 0.88, 95% CI, 0.80-0.97), but no such association was observed among patients with a family history of PCa-2.CONCLUSION: Our study indicates a discrepancy between PC risks associated with a family history of PCa-1 and PC-2 and the reason behind it may be multifactorial.
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6.
  • Zheng, Guoqiao, et al. (författare)
  • Rate differences between first and second primary cancers may outline immune dysfunction as a key risk factor
  • 2020
  • Ingår i: Cancer Medicine. - : Wiley. - 2045-7634. ; 9:21, s. 8258-8265
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Many cancers are increased in immunosuppressed patients and evidence is accumulating that immune dysfunction may be a contributing risk factor for second primary cancers (SPCs). The aim of this study was to explore the potential influence of immune mechanisms in SPC. Methods: We used the Swedish Cancer Registry (1990-2015) to select 13 male and 14 female first primary cancers (FPCs) that are known to be related to immune suppression. We assessed relative risks (RRs) for any of these as concordant (same first and second cancer) and discordant FPC-SPC pairs. Hierarchical clustering of significant RRs was performed for cancers as FPC and SPC. Results: Concordant risks for SPCs were excessive in men and women for nasal (RRs 59.3 for men and 150.6 for women), tongue/mouth (51.7 and 100.8), and lip (32.4 and 61.2) cancers. Heatmaps showed that some cancers, such as skin cancer, tongue/mouth cancers, and non-Hodgkin lymphoma had multiple bidirectional associations as FPC and SPC. Nasal cancer and chronic lymphocytic leukemia had associations mainly as FPC while liver and kidney cancers showed most associations as SPC. Conclusions: Immune dysfunction may be a plausible contributing factor for most of the associations, which calls for experimental verification.
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7.
  • Zheng, Guoqiao, et al. (författare)
  • Second primary cancer after female breast cancer : Familial risks and cause of death
  • 2019
  • Ingår i: Cancer Medicine. - : Wiley. - 2045-7634. ; 8:1, s. 400-407
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: With continuous increases in survival rates following breast cancer (BC) diagnosis, the challenge of multiple primary cancers has become an issue. The data on familial risk of SPCs after BC diagnosis and the related mortality in BC patients are scarce. Methods: A total of 87 752 female BC patients were followed for SPC diagnoses and records of death. Relative risks (RRs) of SPC in BC patients who had first-degree relatives (parents or siblings) affected by the same cancer were compared to the patients without family history. Causes of death were compared between patients with and without SPC. Results: After a median follow-up of 5 years, 14 952 BC patients developed SPCs, among which 10 280 (68.8%) had first-degree relatives diagnosed with cancer. Familial risks were significant for 14 site-specific SPCs, and the highest risk was for second ovarian cancer (RR = 6.28, 95%CI: 4.50-8.75), compared to those without family history (1.49, 1.34-1.65). In patients with SPC, SPC was the main cause of death, including diverse cancers and BC in approximately equal proportions. Conclusions: Family history contributed to the excess number of patients with SPCs, and SPC was the leading cause of death in patients with SPC. Taking family history at diagnosis of BC may provide warning signs with regard to possible subsequent SPCs and may offer possibilities for counseling, intervention and management.
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