Head and Neck Imaging
Value of Low-dose 16-slice Spiral CT Examination in the Children’s Head*
Author：LU Wei-guang, ZENG Yi-qun, LAI Huan-quan, et al.
affiliation：Department of Radiology, Xingning People's Hospital, Guangdong Province, 514500
PDFAbstract
Objective To compare the different low-dose multislice CT image quality in the examination of the children's head for the establishment of appropriate low-dose scan parameters, in order to reduce radiation dose in the clinical diagnosis. Methods 90 children of head CT examination prospectively were randomly divided into three groups:the conventional dose group of 30 children (120Kv,250mAs), low mAs group of 30 children (120 Kv,150mAs), low mAs and low Kv group of 30 children (90 Kv,150mAs). The analysis of head CT image quality in the three groups was done by three radiologists. Results CT image quality of the head with different scan parameters in the three groups could meet the diagnostic requirements. There was no significant difference among the three CT image quality (p＞0.05). Conclusion CT image quality with low mAs and low Kv (90 Kv,150mAs) can meet the requirements of clinical diagnosis while reducing the dose of radiation.
【Keyword】Multislice CT; Children; Head; Low Dose
【Chart number】R651
【Document Identification Number】A
【DOI】10.3969/j.issn.1672- 5131.2015.03.11
Chinese journal of CT and MRI
th13Volume， th 3 Issue
2015Year03Month
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