ObjectiveTo eveluate the utility of soft and hard copy reading with mammography with low contrast;Materials and Methods56 mammogrphies has been chosen from PACS.27 of then are pathological diagnosed malignant,the others are accrementition.The regions'diameter smaller than 2 centimeter.The readers related experience are more than 8 years(superior);2 years(seconda ry);less than half of one year(junior).The six readers reading the mammographys respectively wih film and display.The diagnosis are according to BI-RADS 4th.The SPSS 13.0 is used to statistics analyze..ResultsThe superiors'AUC are 0.707 and 0.765;The secondarys'AUC are 0.814 and 0.709;The(juniors'AUC are 0.667 and 0.761.the differences are not significant.ConclusionThe two modus with soft and hard copy reading take same competence.the mammography can used to detect small carcinoma in low Contrast.
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