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http://dx.doi.org/10.7742/jksr.2021.15.3.329

A Study on the Radiography for Sharpness the Image of the Sternum Bone in X-ray Thoracic Cage  

Ahn, Byung-Ju (Department of Radiology, Nambu University)
Lee, Jun-Haeng (Department of Radiology, Nambu University)
Publication Information
Journal of the Korean Society of Radiology / v.15, no.3, 2021 , pp. 329-336 More about this Journal
Abstract
The Study studied the Inspection Method of Images to obtain a sharp image of the Costume among the bones Composed of Thoracic Using the Thoracic Cage Rando Phantom. At 80 cm of the phantom Distance at the X-ray tube focus, the position of the Phantom was Examined by Changing the Rt and Lt Posterior Oblique(LAO) and Rt and Lt Posterior Postero Oblique positions by 20°, 25° and 30°. The acquired images were Subjectively Evaluated by the Radiographer, and the Evaluation data were analyzed as SPSS ver. 3.0. The signal-to-noise ratio (SNR) was Calculated using the ImageJ Program. As a result, the Cronbach Alpha value was Significantly higher at 0.789. The results of the Signal-to-Noise Ratio (SNR) were high at 20° to 6.038 in the right posterior Transcription Direction at the time of Examination and 7.860, in the Supine Position, for images of Sternum bones. In conclusion, it is Believed that the patient position can be obtained from the Right Anterior Oblique(RAO) Position 20° if the X-ray technique is used to obtain the Sternum's advanced image, and the Left Anterior Oblique(LAO) Position 25° when filming in the Rght lying position.
Keywords
Sternum bone Image Reading; Patient position; Receiver Operating Characteristic; Objective Evaluation;
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