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http://dx.doi.org/10.7742/jksr.2022.16.7.935

Quality Control and Image Quality Comparison according to Ultrasonic Equipment  

Dong-Hee, Hong (Department of Radiological Science, Shinhan University)
Publication Information
Journal of the Korean Society of Radiology / v.16, no.7, 2022 , pp. 935-942 More about this Journal
Abstract
In doing interventional treatment under the guidance of ultrasonography, the medical team detects the legion site with ultrasonic equipment at first, and insert angio needle. In this situation, if the position of legion and the depth of inserted needle on the ultrasonographic screen are different from real position and depth, the needle is likely to damage a major blood vessel or tissue. Accordingly, we had wondered how much such differences between screen image and reality, and so decided to examine them. Using five ultrasonographic equipments manufactured from different companies in different years, this study tried to compare the lengths of the needle on the screen images and real lengths of it, and find out the factors affecting skewness of them. This study used hog meat chunk to mimic human flesh, and sausages as the target of needle. It compared penetrating depths of the needle as the images on the five equipments using single sample t test in the SPSS 22 statistical program. It was found that all the errors were statistically significant(<.05). So, this study decided that it was wrong to evaluate performances of the equipments by the makers and ages of them. It is necessary to do periodic quality controls of equipments and improve the skillfulness of sonographers to reduce error rates between real treatment areas and the images of them.
Keywords
Ultrasonography; Ultrasonographic equipment; Image quality; Biopsy; Angio-needle;
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