DR (a-Se) versus CR (DLR) – ist eine Verbesserung der Treffsicherheit möglich? Eine retrospektiv klinisch/histologische Analyse (n=100)

Rontgenpraxis; Zeitschrift fur radiologische Technik Pub Date : 2007-03-15 DOI:10.1016/j.rontge.2006.10.001

Rüdiger Schulz-Wendtland, Michael Lell, Evelyn Wenkel, Cathrin Böhner, Marc-Steffen Dassel, Werner Bautz

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引用次数: 3

Abstract

Purpose

A retrospective clinical-histological study to determine the diagnostic accuracy using high-resolution digital phosphor storage plates (CR) (hardcopy) and full-field digital mammography (DR) (hardcopy) for microcalcifications and focal lesions (BI-RADS^™ category 4 or 5) (n=100).

Materials and Methods

From 01/2004 to 06/2004, 100 patients underwent digital storage plate mammography (CR) and, after diagnosis and preoperative wire localization, full-field digital mammography (a-Se) (DR) with the same exposure parameters. Five investigators retrospectively determined the diagnosis after the operation from randomly distributed mediolateral views (hardcopy reading). These results were correlated with the final histology.

Results

The accuracy of digital storage plate mammography (CR) and full-field digital mammography (DR) was 73% and 76% for all findings (n=100), 74%, 78% for microcalcifications (n=50) and 72%, 74% for focal lesions (n=50). The overall results showed no difference.

Conclusion

Our findings indicate equivalence of high-resolution digital phosphor storage plate mammography (CR) and full-field digital mammography (a-Se) (DR).

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口径测试逆转录病毒/历史分析(n=100)

目的回顾性临床组织学研究，确定使用高分辨率数字荧光粉存储板(CR)(硬拷贝)和全视场数字乳房x线摄影(DR)(硬拷贝)对微钙化和局灶性病变(BI-RADS™分类4或5)的诊断准确性(n=100)。材料与方法2004年1月至2004年6月，100例患者行数字存储板乳房x线摄影(CR)，诊断及术前线定位后行相同暴露参数的全视野数字乳房x线摄影(a-Se) (DR)。五名研究者回顾性地从随机分布的中外侧视图(硬拷贝阅读)确定手术后的诊断。这些结果与最终组织学相关。结果数字存储板x线摄影(CR)和全视野数字x线摄影(DR)对所有病变(n=100)的准确率分别为73%和76%，对微钙化(n=50)的准确率分别为74%和78%，对局灶性病变(n=50)的准确率分别为72%和74%。总体结果没有差异。结论高分辨率数字荧光粉存储板乳房x线摄影(CR)与全视场数字x线摄影(a-Se) (DR)具有等效性。

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Rontgenpraxis; Zeitschrift fur radiologische Technik

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