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Diagnostic evaluation of full-field digital mammography for breast lesions in dense breast
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF RADIOLOGY
- Issue:
- 4
- DOI:
- 10.3760/j.issn:1005-1201.2006.04.003
- Key Word:
- 乳腺肿瘤;乳腺疾病;乳房X线摄影术;图像处理,计算机辅助
Abstract： 目的探讨全数字化乳腺摄影(FFDM)对妇女致密型乳腺病变的诊断价值.方法搜集2003年4月至2004年9月门诊及体检者行FFDM的3500余例中致密型乳腺的66例乳腺癌及6例癌前病变,12例囊性增生症,58例纤维腺瘤,1例结核,4例囊肿,11例乳腺腺病作为研究对象.全部病例采用美国GE公司的平板2000D全数字化乳腺摄影机检查,并经病理证实.检查体位常规采用头足位(CC)、内外斜位(MLO),必要时加摄侧位及局部点片.对临床未触及肿块的乳腺癌,均行术前定位.结果 72例乳腺癌及癌前病变中,临床触及肿块者57例,未触及肿块者15例.影像表现为肿块23例;肿块并微小钙化18例;片状弥漫微小钙化伴局部结构紊乱11例;结构紊乱并粗长毛刺12例;簇状微小钙化2例;片簇状微小钙化1例;结构紊乱1例;小星状结构1例;长毛刺星状结构1例;平片无明显影像表现2例,其中1例仅导管造影显示僵硬、中断.共发现假阳性10例,假阴性5例,得出FFDM对乳腺癌诊断的敏感性、特异性、准确性分别为93.06%、88.37%、90.51%.良性病变中,58例纤维腺瘤,表现为肿块38例,肿块伴钙化20例;12例囊性增生症,表现为肿块10例,肿块伴点状钙化2例;11例乳腺腺病,表现为肿块9例,肿块伴点状钙化2例.4例囊肿和1例结核,均表现为肿块.结论 FFDM能清晰显示乳腺癌的直接及间接征象,尤其能够显示致密乳腺的结构紊乱、粗长毛刺及微小钙化,对临床未触及肿块的乳腺癌及癌前病变具有重要的诊断价值.
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