Abstract:
BACKGROUND:The male excess in childhood cancer incidence is well-established; however, the underlying biologic mechanisms remain unknown. Examining the association between male sex and childhood cancer by single year of age and tumor type may highlight important periods of risk such as variation in growth and hormonal changes, which will inform etiologic hypotheses. METHODS:Using data from the Surveillance, Epidemiology, and End Results (SEER) 18 registries (2000-2015), incidence rate ratios (IRR) and 95% confidence intervals (95% CI) were estimated as the measure of association between male sex and childhood cancer by single year of age (0-19). RESULTS:The IRR for male cancer overall was 1.19 (95% CI, 1.18-1.20) and was similar in magnitude at nearly every year of age. Burkitt lymphoma was strongly associated with male sex (IRRs ≥2 at each year of age). Increased incidence was observed among males for acute lymphoblastic leukemia, Hodgkin and non-Hodgkin lymphomas for nearly all years of age. Medulloblastoma was the only central nervous system tumor with a significant male predominance at nearly every age. Male sex displayed a consistent inverse association with nephroblastoma and thyroid carcinoma over the ages studied. CONCLUSIONS:Male sex was positively associated with most cancers. The higher incidence rates observed in males remained consistent over the childhood and adolescent periods, suggesting that childhood and adolescent hormonal fluctuations may not be the primary driving factor for the sex disparities in childhood cancer. The observed incidence disparities may be due to sex differences in exposures, genetics, or immune responses.
journal_name
Pediatr Blood Cancerjournal_title
Pediatric blood & cancerauthors
Williams LA,Richardson M,Marcotte EL,Poynter JN,Spector LGdoi
10.1002/pbc.27620subject
Has Abstractpub_date
2019-06-01 00:00:00pages
e27620issue
6eissn
1545-5009issn
1545-5017journal_volume
66pub_type
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journal_title:Pediatric blood & cancer
pub_type: 杂志文章,评审
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journal_title:Pediatric blood & cancer
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journal_title:Pediatric blood & cancer
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journal_title:Pediatric blood & cancer
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journal_title:Pediatric blood & cancer
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journal_title:Pediatric blood & cancer
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更新日期:2011-12-15 00:00:00
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journal_title:Pediatric blood & cancer
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journal_title:Pediatric blood & cancer
pub_type: 杂志文章
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更新日期:2021-01-12 00:00:00
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journal_title:Pediatric blood & cancer
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journal_title:Pediatric blood & cancer
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journal_title:Pediatric blood & cancer
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journal_title:Pediatric blood & cancer
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journal_title:Pediatric blood & cancer
pub_type: 杂志文章
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更新日期:2009-09-01 00:00:00
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journal_title:Pediatric blood & cancer
pub_type: 杂志文章
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更新日期:2021-01-14 00:00:00
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journal_title:Pediatric blood & cancer
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journal_title:Pediatric blood & cancer
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journal_title:Pediatric blood & cancer
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journal_title:Pediatric blood & cancer
pub_type: 临床试验,杂志文章,多中心研究
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journal_title:Pediatric blood & cancer
pub_type: 临床试验,杂志文章
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journal_title:Pediatric blood & cancer
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journal_title:Pediatric blood & cancer
pub_type: 临床试验,杂志文章
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journal_title:Pediatric blood & cancer
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更新日期:2013-02-01 00:00:00
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journal_title:Pediatric blood & cancer
pub_type: 杂志文章,评审
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journal_title:Pediatric blood & cancer
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