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논문 기본 정보

자료유형
학술저널
저자정보
박노혁 (경북대학교 의과대학 진단방사선과학교실) 배경수 (경북대학교 의과대학 진단방사선과학교) 신현웅 (경북대학교 의 과대학 진단방사선과학교) 양근석 (경북대학교 의과대학 진단방사선과학교) 염헌규 (경북대학교 의과대학 진단방사선과학교) 류춘욱 (구미중앙병원 진단방사선) 김용길 (대구의료원 진단방사선) 서경진 (경북대학교 의과대학 진단방사선과학 교) 강덕신 (경북대학교 의과대학 진단방사선과학교실)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제35권 제1호
발행연도
1996.1
수록면
59 - 65 (7page)

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Purpose : To evaluate the clinical utility of the teleradiology system using the information super highway communication network. Materials and Methods : Two radiologists selected 101 cases of pneumothorax and 20 cases of miliary tuberculosis. There were scanned and transmitted to our hospital at a speed of 640 Kbps and displayed on a video monitor with a resolution of 1280 pixels/line $\times$ 1024 lines. Four radiologists divided into three groups :read the images group A read the images without image processing ; group B read the images with image processing, group C read the radiographic films on the view box. The authors compared sensitivity and specificity between the groups and checked their statistical significance using the Chi-square test. According to the location of the pleural line, we divided the pneumothorax into four types : continve on this live type 1, pleural line confined to the apex ; type 2, to the upper half ; type 3, to the lower half ; type 4, to the upper through lower half. We then compared sensitivity between the Three groups. Results : In the pneumothorax group, the average sensitivity of group A, B and C was 79%, 90% and 96%, and average specificity was 99%, 99% and 94%, respectively. There were statistically significant differences in sensitivity between group A and B and between group B and C (p<0.017).There were no statistically significant difference in specificity between group A and B or between group B and C. In the miliary tuberculosis group, the average sensitivity of group A, B and C was 73%, 78% and 90%, and average specificity was 95%, 95% and 100%, respectively. With regard to sensitivity and specificity, there was no statistically significant difference between group A and B or between group B and C but there was a statistically significant difference between group A and C (p<0.017). According to the location of the pneumothorax, for all types, the sensitivity of group A was less than that of group B and group B was less than that of group C. Conclusion : All groups showed reduced observer performance in the detection of pneumothorax and military tuberculosis when reading a transmitted image on the monitor-workstation compared with reading conventional radiographs on the view box. To improve the clinical utility of the teleradiology system, a higher resolution workstation and adequate image processing are required.

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