二维合成乳腺钼靶（2DSM）与传统全视野数字乳腺钼靶（FFDM）在乳腺癌评估中的比较。
Comparison of two-dimensional synthesized mammogram (2DSM) and conventional full-field digital mammogram (FFDM) for evaluation of breast cancer.
作者信息
Choi Gayoung, Woo Ok Hee, Shin Hye Seon, Jang Seonah, Cho Kyu Ran, Seo Bo Kyoung
机构信息
Korea University Guro Hospital, Diagnostic Radiology, 148, Gurodongro, Guro-gu, Seoul 08308, Republic of Korea.
Korea University Guro Hospital, Diagnostic Radiology, 148, Gurodongro, Guro-gu, Seoul 08308, Republic of Korea.
出版信息
Clin Imaging. 2017 May-Jun;43:170-174. doi: 10.1016/j.clinimag.2017.03.004. Epub 2017 Mar 8.
PURPOSE
To compare the diagnostic efficacy of 2DSM and FFDM for evaluation of breast cancer.
MATERIALS AND METHODS
A retrospective observer performance study was done by 3 breast radiologists. The diagnostic accuracy, image quality, and detailed lesion characterization of each 2DSM and FFDM were evaluated blindly to determine superior modality.
RESULTS
The diagnostic accuracy was not significantly different between two modalities. The image quality was superior in 2DSM (p-value 0.0362).
CONCLUSIONS
2DSM showed equivalent diagnostic accuracy and superior image quality to FFDM. Overall characterization of the lesion was better in 2DSM, and 2DSM showed superiority in evaluation of spiculated margins.
目的
比较二维数字化乳腺断层摄影（2DSM）和全视野数字化乳腺摄影（FFDM）在评估乳腺癌方面的诊断效能。
材料与方法
3名乳腺放射科医生进行了一项回顾性观察者效能研究。对每种2DSM和FFDM的诊断准确性、图像质量和详细病变特征进行盲法评估，以确定哪种方式更具优势。
结果
两种方式的诊断准确性无显著差异。2DSM的图像质量更优（p值为0.0362）。
结论
2DSM与FFDM相比，具有同等的诊断准确性和更优的图像质量。2DSM对病变的整体特征显示更好，且在评估毛刺状边缘方面表现出优势。
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