Prenatal and Postnatal Medical Conditions and the Risk of Brain Tumors in Children and Adolescents: An International Multicenter Case-Control Study

Giorgio Tettamanti, Xiaochen Shu, Maral Adel Fahmideh, Joachim Schüz, Martin Röösli, Tore Tynes, Michael Grotzer, Christoffer Johansen, Lars Klaeboe, Claudia E Kuehni, Birgitta Lannering, Lisbeth S Schmidt, Danielle Vienneau, Maria Feychting

4 Citations (Scopus)

Abstract

Background: Previous studies have evaluated the effect of medical diagnostic radiation on brain tumors. Recent cohort studies have reported an increased risk associated with exposure to head CT scans. Methods: Information regarding medical conditions, including prenatal and postnatal exposure to medical diagnostic radiation, was obtained from CEFALO, a multicenter case-control study performed in Denmark, Norway, Sweden, and Switzerland through face-To-face interview. Eligible cases of childhood and adolescent brain tumors (CABT) were ages 7 to 19 years, diagnosed between January 1, 2004 and August 31, 2008, and living in the participating countries (n =352). The cases were matched by age, sex, and region to 646 populationbased controls. Results: Prenatal exposure to medical diagnostic radiation and postnatal exposure to X-rays were not associated with CABTs. A higher risk estimate of CABTs, although not statistically significant, was found for exposure to head CT scan (OR, 1.86; 95% confidence interval, 0.82-4.22). The associations with head injury, febrile seizure, fever in the first 12 weeks, and general anesthesia were close to unity. Conclusions: Prenatal or postnatal medical conditions, including medical diagnostic radiation, were not associated with CABTs. On the basis of small numbers of exposed children, we observed a nonsignificant increased risk for CT scans of the head. Impact:Wehave presented additional evidence, suggesting that exposure to head CT scan may be associated with the occurrence of CABTs.

Original languageEnglish
JournalCancer Epidemiology, Biomarkers & Prevention
Volume26
Issue number1
Pages (from-to)110-115
ISSN1055-9965
DOIs
Publication statusPublished - Jan 2017

Keywords

  • Adolescent
  • Brain Neoplasms/epidemiology
  • Case-Control Studies
  • Child
  • Confidence Intervals
  • Denmark/epidemiology
  • Female
  • Humans
  • Internationality
  • Magnetic Resonance Imaging/adverse effects
  • Male
  • Norway/epidemiology
  • Odds Ratio
  • Positron-Emission Tomography/adverse effects
  • Postnatal Care/methods
  • Pregnancy
  • Prenatal Care/methods
  • Prenatal Exposure Delayed Effects/epidemiology
  • Radiation Dosage
  • Radiation Exposure/adverse effects
  • Sweden/epidemiology
  • Switzerland/epidemiology
  • Tomography, X-Ray Computed/adverse effects

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