Subtle pulmonary disease: detection with computed radiography versus conventional chest radiography.

Abstract:

PURPOSE:To determine the diagnostic efficacy of hard- and soft-copy computed radiographic (CR) images versus conventional screen-film images of the chest in the detection of subtle pulmonary abnormalities. MATERIALS AND METHODS:Twenty observes compared 87 hard-copy and soft-copy CR images with hard-copy screen-film images. Of 87 test images, 45 (including two identical sets of 12 images to test intra-observer variability) were abnormal and 42 (including two identical sets of 12 images) were normal. Of the 45 abnormal images, 15 (including two sets of four identical images) showed subtle abnormalities, 15 (including two sets of four identical images) showed mild abnormalities, and 15 (including two sets of four identical images) showed obvious abnormalities. Soft-copy viewing provided three differently processed images of every radiograph. RESULTS:No statistically significant differences in receiver operating characteristic analyses were found among hard-copy screen-film images, hard-copy CR images, and soft-copy CR images, even in the group with subtle interstitial abnormalities. CONCLUSION:Hard-copy and soft-copy chest CR images are acceptable and available in place of screen-film images for primary interpretation of subtle interstitial lung diseases.

journal_name

Radiology

journal_title

Radiology

authors

Ishigaki T,Endo T,Ikeda M,Kono M,Yoshida S,Ikezoe J,Murata K,Matsumoto M

doi

10.1148/radiology.201.1.8816520

subject

Has Abstract

pub_date

1996-10-01 00:00:00

pages

51-60

issue

1

eissn

0033-8419

issn

1527-1315

journal_volume

201

pub_type

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