| GAO De-chun,GU Wei-gen,MAO Ding-li.The selection of scan factor about CT of children skull[J].Chinese Journal of Radiological Medicine and Protection,2004,24(5):447-448 |
| The selection of scan factor about CT of children skull |
| Received:January 18, 2004 |
| DOI： |
| KeyWords:Children X-ray computer tomography Quality of image |
| FundProject: |
|
| Hits: 5269 |
| Download times: 3030 |
| Abstract:: |
| Objective To explore the scan factor on CT of skull in children. Methods 1.The patients were divided into four sections age.There were 90 cases in every section.The scan was performed according to different mAs.At last,the three radial doctors was used Double-blind method to evaluate the image quality.2.The CT dosimetry index were measured for different mAs. Results 1.The quality of image increase following increase of mAs,but when a certain value was realized,increase of mAs couldn't further raise the quality of image.2.When the dose index with 240 mAs tube current exceeded 160 mAs by about 51.4%. Conclusion For different aged was adoped the children appropriate mAs should be selected for scan in order to protect the patients and guarantee the quality of image. |
| HTML View Full Text View/Add Comment Download reader |
| Close |
