목적:우리나라 유방촬영술 임상화질의 실태를 파악하고자 하였다. 대상과 방법:전국 257개 병의원에서 수집된 598예의 유방촬영사진에 대해 자세잡기,압박,대조도,노출수준,선명도,잡음,인공물,표지 등 8개 항목을 점수법 (1점,심각한 결함;2점,중요한 결함;3점,사소한 결함;4점,양호;5점,최상)으로 분석하였다.불합격은 임상영상평가 8항목중 4항목이상에서 3점이하인 경우나 인공물이나 표지를 제외한 항목에서 1-2점이 있는 경우로 했다.그 성적을 병원 종류 및 평가 항목별로 분석하였다. 결과:유방촬영 사진 598예 중 36.3%(217예)가 불합격으로 판정되었으며 병원종류별 불합격률은 대학병원 8.9%(11/123)(p<.01,Chi-square test),방사선과의원 38.2%(39/102),종합병원 42.6%(92/216),비방사선과의원 47.7%(42/88),법인의료단체(건강관리협회와 보건소)47.8%(33/69)였다.항목별 불합격률은 총 598예중 자세잡기 23.7%(142예)(p<.01,Chi-square test),표지 5.7%(34예),노출 5.4%(32예),대조도 4.2%(25예),선명도 2.7%(16예),압박 2.5%(15예),인공물 2.5%(15예),잡음 0.3%(2예)순이었다. 결론:전체 유방촬영 사진의 36.3%가 진단적 가치가 없는 것으로 나타났으며 대학병원보다는비방사선과의원이나 법인의료단체의 불합격률이 유의하게 높았다.
Purpose: The goal of this study was to survey the overall quality of mammographic images in Korea. Materials and Methods: A total of 598 mammographic images collected from 257 hospitals nationwide were reviewed in terms of eight image quality categories, namely positioning, compression, contrast, exposure, sharpness, noise, artifacts, and examination identification, and rated on a five-point scale: (1=severe deficiency, 2=major deficiency, 3=minor deficiency, 4=good, 5=best). Failure was defined as the occurrence of more than four major deficiencies or one severe deficiency (score of 1 or 2). The results were compared among hospitals of varying kinds, and common problems in clinical image quality were identified. Results: Two hundred and seventeen mammographic images (36.3%) failed the evaluation. Poor images were found in descending order of frequency, at The Society for Medical Examination (33/69, 47.8%), non-radiology clinics (42/88, 47.7%), general hospitals (92/216, 42.6%), radiology clinics (39/102, 38.2%), and university hospitals (11/123, 8.9%) (p<0.01, Chi-square test). Among the 598 images, serious problems which occurred were related to positioning in 23.7% of instances (n=142) (p<0.01, Chi-square test), examination identification in 5.7% (n=34), exposure in 5.4% (n=32), contrast in 4.2% (n=25), sharpness in 2.7% (n=16), compression in 2.5% (n=15), artifacts in 2.5% (n=15), and noise in 0.3% (n=2). Conclusion: This study showed that in Korea, 36.3% of the mammograms examined in this sampling had important image-related defects that might have led to serious errors in patient management. The failure rate was significantly higher in non-radiology clinics and at The Society for Medical Examination than at university hospitals
