Strengthening the argument for rapid brain MR imaging: estimation of reduction in lifetime attributable risk of developing fatal cancer in children with shunted hydrocephalus by instituting a rapid brain MR imaging protocol in lieu of Head CT.

AJNR. American Journal of Neuroradiology
K KoralJ Anderson

Abstract

Children with shunted hydrocephalus have been undergoing surveillance neuroimaging, generally in the form of head CT, for evaluation of ventricular size. As the life expectancy of these children has improved due to better shunt technology and medical care, risks related to the ionizing radiation incurred during multiple head CT examinations that they are expected to undergo throughout their lifetime have become a concern. The purpose of this study is to estimate the LAR of developing fatal cancer due to head CT for ventricular size assessment in children with shunted hydrocephalus and to assess the impact of instituting a rapid brain MR imaging protocol in reducing radiation exposure. Retrospective review of medical records yielded 182 patients who underwent neuroimaging for assessment of ventricular size. Available neuroimaging studies (head CT and rapid brain MR) were counted and annual neuroimaging frequency was calculated. It was assumed that these patients undergo a similar number of neuroimaging studies annually through 20 years of age. A risk estimate was calculated based on the BEIR VII report and effective doses obtained using the International Commission on Radiologic Protection Report 103 organ weighting factors. The...Continue Reading

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Citations

Jul 26, 2013·AJR. American Journal of Roentgenology·Lea M AlhilaliSaeed Fakhran
Feb 25, 2014·Journal of Neurosurgery. Pediatrics·Daxa M PatelJeffrey P Blount
Apr 15, 2014·Journal of Neurosurgery. Pediatrics·Eric M ThompsonNathan R Selden
Dec 3, 2014·Facial Plastic Surgery Clinics of North America·Laszlo Nagy, Joshua C Demke
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Oct 18, 2015·The Journal of Pediatrics·Todd A FlorinMark I Neuman
Jan 21, 2014·Physica Medica : PM : an International Journal Devoted to the Applications of Physics to Medicine and Biology : Official Journal of the Italian Association of Biomedical Physics (AIFB)·Marco BrambillaEugenio Picano
May 27, 2015·Disability and Health Journal·Gregory Smookler, Alexis Deavenport-Saman
Dec 12, 2012·International Journal of Radiation Biology·Shumei MaXiaodong Liu
Apr 14, 2016·Neuroradiology·Maura E RyanTord Alden
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Jul 23, 2019·Journal of Magnetic Resonance Imaging : JMRI·Jayanthi ParthasarathyRajesh Krishnamurthy
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Jun 27, 2020·AJNR. American Journal of Neuroradiology·R JabarkheelK W Yeom
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Dec 1, 2020·Pediatric Emergency Care·Jannet J Lee-JayaramLoren G Yamamoto
Mar 20, 2021·AJNR. American Journal of Neuroradiology·C M Pfeifer, N Karbhari

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