title: New clinical decision instruments can and should reduce radiation exposure.
abstract: In this Perspective linked to Rodriguez and colleagues, Emmanuel Lagarde discusses the importance of decision instruments that can help physicians avoid subjecting patients to radiation exposure from unnecessary CT scans.
authors.affiliation: Institut National de la Santé et de la Recherche Médicale U897, Université de Bordeaux, Bordeaux, France.
authors.forename: Emmanuel
authors.initials: E
authors.lastname: Lagarde
mesh_terms: D003661:Decision Support Techniques; D006801:Humans; D009381:Neoplasms, Radiation-Induced / Q000517:prevention & control*; D000069079:Radiation Exposure / Q000517:prevention & control*; D011839:Radiation, Ionizing; D014057:Tomography, X-Ray Computed