The purpose of this study is to use the DICOM Radiation Dose Structured Report (RDSR) to compare diagnostic reference levels (DRLs) with the dose values at own facility. We used the JJ1017 Guideline, which are the standards of the Ministry of Health, Labor and Welfare, and focused on comparing doses on a protocol-by-protocol basis. Dose information was extracted from the RDSR, and the number of examinations, CT Dose Index volume, and Dose Length Product for each protocol were obtained and compared using the Target Region and JJ1017 code to identify the imaging region.
The results revealed that the same code was assigned to multiple device protocols in the Target Region. JJ1017 was able to appropriately represent the protocol contents of DRLs, improving the collection accuracy. The JJ1017 Guideline has proven to be a useful tool in dose management.
View full abstract