Pisano Etta D, Cole Elodia B, Kistner Emily O, Muller Keith E, Hemminger Bradley M, Brown Mary L, Johnston R Eugene, Kuzmiak Cherie M, Braeuning M Patricia, Freimanis Rita I, Soo Mary Scott, Baker J A, Walsh Ruth
Dept of Radiology, Univ of North Carolina School of Med, Chapel Hill, NC 27599-7510, USA.
Radiology. 2002 May;223(2):483-8. doi: 10.1148/radiol.2232010704.
To compare the speed and accuracy of the interpretations of digital mammograms by radiologists by using printed-film versus soft-copy display.
After being trained in interpretation of digital mammograms, eight radiologists interpreted 63 digital mammograms, all with old studies for comparison. All studies were interpreted by all readers in soft-copy and printed-film display, with interpretations of images in the same cases at least 1 month apart. Mammograms were interpreted in cases that included six biopsy-proved cancers and 20 biopsy-proved benign lesions, 20 cases of probably benign findings in patients who underwent 6-month follow-up, and 17 cases without apparent findings. Area under the receiver operating characteristic curve (A(z)), sensitivity, and specificity were calculated for soft-copy and printed-film display.
There was no significant difference in the speed of interpretation, but interpretations with soft-copy display were slightly faster. The differences in A(z), sensitivity, and specificity were not significantly different; A(z) and sensitivity were slightly better for interpretations with printed film, and specificity was slightly better for interpretations with soft copy.
Interpretation with soft-copy display is likely to be useful with digital mammography and is unlikely to significantly change accuracy or speed.
通过使用打印胶片与软拷贝显示，比较放射科医生对数字化乳腺钼靶图像解读的速度和准确性。
在接受数字化乳腺钼靶图像解读培训后，八位放射科医生解读了63例数字化乳腺钼靶图像，所有病例均有既往检查结果用于对比。所有病例的图像均由所有阅片者在软拷贝和打印胶片两种显示方式下进行解读，同一病例的两次解读间隔至少1个月。解读的病例包括6例经活检证实为癌症、20例经活检证实为良性病变、20例在6个月随访期内可能为良性的病例以及17例无明显异常的病例。计算软拷贝和打印胶片显示方式下的受试者操作特征曲线下面积（A(z)）、敏感度和特异度。
解读速度无显著差异，但软拷贝显示方式下的解读速度略快。A(z)、敏感度和特异度的差异均无统计学意义；打印胶片解读的A(z)和敏感度略好，软拷贝解读的特异度略好。
软拷贝显示方式下的解读对于数字化乳腺钼靶检查可能有用，且不太可能显著改变准确性或速度。
