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American Journal of Oral Medicine and Radiology

Volume 5, Issue 2, 2018
Mcmed International
American Journal of Oral Medicine and Radiology
Issn
XXX-XXXX (Print), 2394 - 7721 (Online)
Frequency
bi-annual
Email
editorajomr@mcmed.us
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Abstract
Title
EFFECTIVENESS OF SHORT-TERM FEEDBACK WITH CAD IN NODULE DETECTION ON CHEST RADIOGRAPHS
Author
Dr. Dharma Teja Kanneganti
Email
keyword
Chest radiographs, Computer-aided detection (CAD), Nodule detection, Feedback, Sensitivity
Abstract
The objective of this study was to investigate whether the combination of short-term feedback and electronic images with computer-aided detection (CAD) could enhance the performance of readers in identifying nodules on chest radiographs (CXRs). A total of 140 CXRs were utilized, each subset of 35 being independently interpreted by six readers in varying sequences. CAD was employed to evaluate the presence, location, and diagnostic certainty of nodules. Following each subset, readers received feedback on their performance. Area under the curve (AUC) and sensitivity were calculated for readings with and without CAD, considering the impact of time and CAD. The study reported a standalone CAD sensitivity of 59.6%, with an average of 1.9 false-positives per image. However, despite a slight increase in AUC over time, this enhancement was not statistically significant. Moreover, although sensitivity improved and specificity decreased over the study period, CAD did not exert a significant influence on these outcomes. Furthermore, regarding readers' ability to differentiate true-positive from false-positive lesions and effectively utilize CAD, the provision of short-term feedback did not result in demonstrable improvements in their abilities. In summary, the study findings suggest that the addition of shortterm feedback alongside CAD does not significantly enhance the performance of readers in detecting nodules on CXRs or in effectively utilizing CAD assistance
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