Diagnostic Performance of the Ultra Low-Dose (ULD) Scanner vs. Diagnostic Performance With Standard X-rays in the Emergency Department Compared With Performance of the Standard Classical-dose Scanner for Trauma of the Dorsolumbar Spine, Pelvis and Extremities

Inclusion Criteria: * Patient with a BMI \<40 kg / m² * Emergency department patient for trauma of the dorso-lumbar spine, pelvis, proximal femurs, and / or extremities requiring standard radiographs * Patient with painful symptomatology causing suspicion of a broken bone * Patient or family member / trusted person / family member who has given free and informed consent * Patient or family member / trusted person / family member who has signed the consent form * Patient beneficiary or affiliate of a health insurance plan Exclusion criteria: * Patient participating in a category 1 study * Patient in a period of exclusion determined by another study * Patient on under juridical protection, under curatorship or under guardianship * Patient for whom it is impossible to give informed information * Pregnant, parturient or nursing patient * Polytraumatised patient * Patients in vital emergency requiring urgent scanner