Woo JH, et al. - The researchers to document the level of interobserver agreement and compare the diagnostic performances of emergency physicians and radiologists at interpreting low radiation CT images of acute appendicitis in adolescents and young adults. They recognized that for appendicitis in adolescents and adults, the emergency physicians and radiologists showed good interobserver agreement and comparable diagnostic performances using low-dose CT images. For the diagnosis of appendicitis by emergency physicians, low-dose CT was suggested to be a useful tool.