一项新的研究表明，CT扫描，常用于医学成像，可能会增加脑肿瘤的风险。

CT scans may increase risk of brain cancer

https://www.sciencedaily.com/releases/2018/07/180719085337.htm

1. Johanna M Meulepas, Cécile M Ronckers, Anne M J B Smets, Rutger A J Nievelstein, Patrycja Gradowska, Choonsik Lee, Andreas Jahnen, Marcel van Straten, Marie-Claire Y de Wit, Bernard Zonnenberg, Willemijn M Klein, Johannes H Merks, Otto Visser, Flora E van Leeuwen, Michael Hauptmann. Radiation Exposure From Pediatric CT Scans and Subsequent Cancer Risk in the Netherlands. JNCI: Journal of the National Cancer Institute, 2018; DOI: 10.1093/jnci/djy104