Physics Bucharest 2017

Other Accidents

• Bad interpretation of physical units (Costa Rica, 1996) • 115 patients, 17 died • Bad interpretation of unit of time • 0.3 minute: 30 seconds? • Observation of non-usual severe reactions (skin burnt, abdominal pain, diarrhea, etc) • Bad calculation of MUs for wedged beams • France 2004-2005 • Several hundreds of patients (+8%), 23 over-irradiated severely (+20 à 30%), 5 died • Misunderstanding between 2 wedge techniques (hard and dynamic wedge)