Comparative study in patients with microcalcifications: full-field digital mammography vs screen-film mammography.
作者： U. Fischer , F. Baum , S. Obenauer , S. Luftner-Nagel , D. von Heyden
DOI: 10.1007/S00330-002-1354-X
关键词:
摘要: The goal of this prospective study was to compare a full-field digital mammography system (FFDM) conventional screen-film (SFM) for the detection and characterization microcalcifications. Fifty-five patients with 57 isolated microcalcification clusters were examined using FFDM (Senographe 2000D, GE Medical Systems, Milwaukee, Wis.) SFM DMR, Wis.). A mammogram contact obtained each cluster. image quality number calcification particles evaluated, (BI-RADS 1–5) microcalcifications given by four experienced readers. Histopathology revealed 16 benign lesions (sclerosing adenosis, dysplasia, hamartoma, radial scar) in 15 21 malignant tumors (in situ carcinoma, invasive carcinoma) 20 patients. Twenty had changes verified long-term follow-up. Image assessed as superior more than 50% cases. showed calcifications 41% all Sensitivity specificity vs 95.2 91.9% 41.4 39.3%, respectively. Moreover, demonstrated higher diagnostic accuracy (deviation: 0.86 BI-RADS steps) compared FSM (deviation 0.93 steps). 100-µm pixel size provides better mammographic has sensitivity reliability characterizing
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