Japanese journal of radiology
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Comparative Study
A strategy to optimize radiation exposure for non-contrast head CT: comparison with the Japanese diagnostic reference levels.
To describe how we performed a protocol review, analyzed data, identified opportunities to reduce radiation exposure, and then implemented a new imaging protocol for non-contrast adult head CT at our institution with reduced radiation exposure, using the Japanese diagnostic reference levels (DRLs) as the reference. ⋯ We report the successful implementation of a new protocol with reduced radiation exposure for non-contrast head CT examinations.