摘要
CT has been widely used for clinical diagnosis since it was introduced in China in the last century because of its superior effect on 2D anatomical observation ca-pacity and higher resolution than other techniques.With the development of CT technology in recent years,128 rows,256 rows,or higher resolution CT is available,but the negative effects of radiation dose have attracted attention.How to reduce the dose of CT and the radiation to patients and medical staff under the premise of ensuring the image quality is a hot topic for medical research.This paper reviews the effective methods of CT radiation by iterative reconstruction technology,in order to provide a reference for reducing the dose of CT and the radiation dose of patients and medical staff.
