Family history of cancer and autoimmune disease and risk of leukemia in infancy: a report from the Children's Cancer Group (United States and Canada).

Wen WQ, Shu XO, Sellers T, Bhatia S, Lampkin B, Robison LL
Cancer Causes Control. 1998 9 (2): 161-71

PMID: 9578293 · DOI:10.1023/a:1008830210605

OBJECTIVES - As there are some suggestions that a family history of cancer or autoimmune disease might be associated with an increased risk of leukemia in children, we explored this possibility using data from a matched case-control study conducted by the Children's Cancer Group.

METHODS - We compared the family history of cancer and autoimmune diseases of 302 infant leukemia cases (diagnosed within the first 18 months of life) with that of 668 individually matched controls in the United States and Canada.

RESULTS - Although not significant, cancer history in parents was found to be associated with an elevated risk of infant leukemia (odds ratio [OR] = 1.4, 95 percent confidence interval [CI] = 0.6-3.6), predominantly acute myeloid leukemia (AML) (OR = 2.2, CI = 0.6-9.0). Cancer history among second-degree relatives was also related to a nonsignificantly elevated risk of AML. Family history of autoimmune diseases, on the other hand, was generally not found to be related to the risk of infant leukemia.

CONCLUSION - This study provided no strong evidence that family history of cancer or autoimmune disease is a major risk factor for infant leukemia.

MeSH Terms (13)

Autoimmune Diseases Canada Case-Control Studies Child, Preschool Female Humans Incidence Infant Leukemia Male Pedigree Risk Factors United States

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