الفهرس 
Introduction and Aim of the workOnly 14 pages are availabe for public view
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Abstract
The presented work aims to introduce a trail for evaluating the total effective doses received by live kidney donors and for reducing the risk of radiation effective dose resulting from computed tomography examinations in healthy kidney donors (age range 22–79 years) without affecting the quality, resolution, or contrast of images. Three different stages were adapted to accomplish this aim. The first stage was performed on 50 cases in a standard protocol using automatic tube current and an applied voltage of 120 kV with filtered back projection (FBP). The normal five examinations were done. It was concluded that the effective dose directly depends on the CTDIvol range exposure, which can be changed every four series. The second stage, performed on 10 cases, represents a new protocol, ””New CT Scanner, for CT examinations to evaluate the total ED of CT after changing many parameters effecting the ED. and it was noticed that the process can be performed by applying the Idose dose management application. The third stage, performed on 14 cases, represents a reduction in CT series (three instead of four). Calculated parameters pointed to the use of a new protocol using an incisive CT scanner besides applying Idose, which gives a relatively low effective dose with a good quality of image. All previous studies reveal that decreasing CTDIvol and the number of series leads to a gradual decrease in the effective dose. Comparing the old protocol with a technique used for the third stage revealed a significant decrease in effective radiation doses. It was observed that the risk of cancer decreased in third-group cases. Therefore, we recommended using a CT scanner with applying Idose application and the modern technique (three series for CT angiography examination) to obtain the lowest effective radiation dose with a reduction in cancer risk.