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  • Title: [Quality and homogeneity monitoring of radiologists in the Turin mammographic screening. Comparison of the pilot phase results].
    Author: Milanesio L, Burke P, Frigerio A, Marra V.
    Journal: Radiol Med; 1996 Jun; 91(6):710-3. PubMed ID: 8830354.
    Abstract:
    The Turin mammographic screening program was designed to be carried out in several independent screening centers because of the large proportion of population involved (76,000 women aged 50 to 59 years). The first center began working in 1992 and the second center was opened in 1995. The latter center carried out an early pilot study in which 1024 women were examined to assess the homogeneity and the quality of the results. The results were then compared with European quality standards and with the results of both the pilot and the active screening periods in the first center. The results from the second center were very good as far as detection rate is concerned (7.8/1000-2.9/1000 in carcinoma < or = 1 cm). This rate is higher than the so-called "desirable" European standard. Recall rate and benign/malignant biopsy ratio were higher than the so-called "fair" European standard (recall rate: 7.1%; B/M biopsy ratio: 0.62). These results are slightly superior to those of the pilot period in the first center and slightly inferior to the results of active screening in the same center. The improvement relative to the pilot period in the first center (1991) is probably related to technical progress, such as the introduction of the double mammographic projection. The difference relative to the results from the active screening period in the first center (1992-1994) reflects different specific experience. Even though pilot periods have no statistical significance, they can be used for comparison, and in our experience they have proved, with positive results, the quality of the mammographic screening program provided to the Turin population.
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