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Träfflista för sökning "WFRF:(Chattopadhyay Subhayan) ;pers:(Hemminki Otto)"

Sökning: WFRF:(Chattopadhyay Subhayan) > Hemminki Otto

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1.
  • Chattopadhyay, Subhayan, et al. (författare)
  • Impact of family history of cancer on risk and mortality of second cancers in patients with prostate cancer
  • 2019
  • Ingår i: Prostate Cancer and Prostatic Diseases. - : Springer Science and Business Media LLC. - 1365-7852 .- 1476-5608. ; 22:1, s. 143-149
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Survival rates are increasing in patients with prostate cancer, and second primary cancers (SPCs) are becoming more common in these patients. However, the etiology and clinical consequences of SPCs are not well-known. We define the impact of family history on SPC and causes of mortality in these patients. Patients and methods: A nation-wide cohort study based on the Swedish Family-Cancer Database covering 4.4 million men and 80,449 prostate cancers diagnosed between 1990 and 2015. Relative risks (RRs) and cumulative incidence for SPCs and for familial SPC were calculated for prostate cancer patients. Results: SPC was diagnosed in 6,396 men and more than a third of these patients had a first-degree family history of any cancer; the familial risk was 1.37 (95% CI: 1.27–1.40), compared to 1.10 (1.08–1.16), without a family history. Cumulative incidence by the age of 83 years reached 21% for prostate cancer alone, 28% in those with SPC, and 35% in patients with SPC and family history. Family history was associated with the risk of seven specific SPCs, including colorectal, lung, kidney, bladder and skin (both melanoma and squamous cell) cancers, and leukemia. Colorectal and lung cancers were common SPCs, and family history doubled the risk of these SPCs. In patients with SPC, half of all causes of death were due to SPC and only 12.77% were due to prostate cancer. Most deaths in SPC were caused by lung and colorectal cancers. Conclusions: SPCs were an important cause of death in patients with prostate cancer and family history was an important risk factor for SPCs. Prevention of SPC should be essential when prostate cancer survival rates are being improved and this could start by conducting a thorough assessment of family history at the time of prostate cancer diagnosis.
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2.
  • 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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3.
  • Zhang, Luyao, et al. (författare)
  • Second cancers and causes of death in patients with testicular cancer in Sweden
  • 2019
  • Ingår i: PLoS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 14:3
  • Tidskriftsartikel (refereegranskat)abstract
    • While treatment for testicular cancer (TC) has become standardized after the 1980s with an associated significant improvement in patient survival, this has been accompanied by an increased risk of second primary cancers (SPCs). Patients were identified from the Swedish Cancer Registry spanning the years from 1980 to 2015, including 8788 individuals with primary TC and their SPCs. Relative risks (RRs) for SPC were calculated using the generalized Poisson regression model. SPCs were diagnosed in 9.4% of patients with TC and half of them were late onset cancers not common in the population in their 40s. Overall RR of SPCs (excluding second TC) was 1.30 (95%CI: 1.20–1.40), including high risks for seven solid cancers, non-Hodgkin lymphoma and leukemia. Second TC was the most common SPC and the RR of 17.19 (95%CI: 14.89–19.85) was the highest recorded. Cancers known to be fatal as first primary cancers were also fatal as SPC in TC patients. Survival at 30 years of follow-up was approximately 80% for TC patients without SPC but it decreased to 40% for patients with SPC. The unexpected finding that half of the identified SPCs were typical late onset cancers in the middle-aged population raises concerns that therapy may facilitate premature aging. The risks of SPC are clinically important for the long-term management of TC patients and the high-mortality calls for a future management strategy.
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