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Radiology. 2002 May;223(2):483-8.

Interpretation of digital mammograms: comparison of speed and accuracy of soft-copy versus printed-film display.

Author information

1
Dept of Radiology, Univ of North Carolina School of Med, Chapel Hill, NC 27599-7510, USA. etta_pisano@med.unc.edu

Abstract

PURPOSE:

To compare the speed and accuracy of the interpretations of digital mammograms by radiologists by using printed-film versus soft-copy display.

MATERIALS AND METHODS:

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.

RESULTS:

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.

CONCLUSION:

Interpretation with soft-copy display is likely to be useful with digital mammography and is unlikely to significantly change accuracy or speed.

PMID:
11997557
DOI:
10.1148/radiol.2232010704
[Indexed for MEDLINE]
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