Objectives: Preterm infants with low gestational age (GA) and very low birth weight experience high morbidity and mortality. Chest and abdominal radiographs are commonly performed in this group. The aim of this study was to estimate the trend of radiation exposure from radiographs in preterm infants. Methods: In this retrospective study, 210 surviving infants were systematically reviewed. The entrance skin air kerma was measured followed by estimation of effective dose (ED) using the Monte Carlo simulation software (PCXMC 2.0). We estimated the risk of radiation-induced cancers based on referenced risk factors from the International Commission on Radiological Protection Publication 103.
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