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Perinatal and Famil...
Abstract
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- Background/Objectives: Perinatal factors have been associated with soft-tissue sarcomas (STS) in case-control studies. However, (1) the specific contributions of factors including fetal growth remain unknown, (2) these factors have not been examined in large cohort studies, and (3) few assessments have evaluated risk in specific STS subtypes. Therefore, we sought to identify the role of perinatal and familial factors on the risk of STS in a large population-based birth cohort. Design/Methods: We identified 5,063,499 individuals in the Swedish Birth Registry born during 1973-2012. Subjects were linked to the Swedish Cancer Registry, where incident STS cases were identified. We evaluated perinatal and familial factors obtained from Statistics Sweden, including: fetal growth, gestational age, presence of a congenital anomaly, and parental age. Poisson regression was used to estimate incidence rate ratios (IRR) and 95% confidence intervals (CI) for associations between selected factors and STS overall, as well as by common subtypes. Results: There were 673 children, adolescents, and young adults diagnosed with STS in 77.5 million person-years of follow-up. Having a congenital anomaly was associated with STS risk (IRR=1.70, 95% CI: 1.23-2.35). This association was stronger (IRR=2.89, 95% CI: 1.25-6.70) in more recent years (2000-2012). High fetal growth was also associated with STS during the same time period (IRR=1.87, 95% CI: 1.06-3.30). Being born preterm (35 years) was inversely associated with the risk of developing synovial sarcoma (IRR=0.50, 95% CI: 0.26-0.94). Conclusions: In this cohort study, those with congenital anomalies and other adverse birth outcomes were more likely to develop a STS compared to their unaffected contemporaries. These associations may point to disrupted developmental pathways influencing the risk of STS. Our findings could implicate novel mechanisms underlying susceptibility to STS and may inform future surveillance, prevention, and treatment efforts.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Pediatrik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Pediatrics (hsv//eng)
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