In Japan, people wear personal radiation dosimeters to enter radiation controlled areas for occupational radiation exposure management. The cumulative value for one month is the occupational radiation exposure dose value. Managers want to make appropriate announcements to medical staff with high occupational radiation exposure doses to make them awareness of radiation protection, but it is difficult to do so based on occupational radiation exposure doses alone. In this study, we developed an occupational exposure information system that collects and analyzes sensor information and DICOM (Digital Imaging and Communications in Medicine) data to know the situations (location, time, etc.) at that time. In the trial use of the system, it was possible to know the situations (location, time, etc.) at that time.
From children to the elderly, X-ray imaging of the head, chest, abdomen, spine, limbs, and joints is widely used. Radiation technologists often refer to image coverage and locations from past x-ray images of the same patient. Quick and accurate positioning and imaging conditions setting reduce the burden on patients and technicians. We develop a patient-specific X-ray image reference support system. The system uses a classification table for patient-specific image references based on the Ministry of Health, Labor and Welfare standard JJ1017. This system is also useful for sharing image information between multiple facilities. This system has been evaluated in facilities for children and people with severe disabilities. For one radiography, 31 patients are evaluated before use and 20 patients after use. For two radiographs, evaluate 15 patients before use and 16 patients after use. Two radiation technologists will evaluate both methods. The experience of the two radiation technologists is 22 and 11 years. The comparison of performance before and after use is the average time to process work and the ease of use of the system. The usefulness of the system has been clarified.
In Japan, lung cancer death ranks first among men and third among women. Lung cancer death is increasing yearly, thus early detection and treatment are needed. For this reason, CT screening for lung cancer has been introduced. The CT screening services are roughly divided into three sections: office, radiology and diagnosis
sections. These operations have been performed through paper-based or a combination of paper-based and an existing electronic health recording system. This paper describes an operating support system for lung cancer CT screening in order to make the screening services efficient. This operating support system is developed on
the basis of 1) analysis of operating processes, 2) digitalization of operating information, and 3) visualization of operating information. The utilization of the system is evaluated through an actual application and users' survey questionnaire obtained from CT screening centers.
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