Gray-scale inversion radiographic display for the detection of pulmonary nodules on chest radiographs.
The purpose of this study was to investigate gray-scale inversion in nodule detection on chest radiography. Simulated nodules were superimposed randomly onto normal chest radiographs. Six radiologists interpreted 144 chest radiographs during three reading sessions: traditional presentation, inverted gray-scale, and a choice session allowing use of traditional and gray-scale inverted views. Sensitivity and specificity were used to assess accuracy based on presence or absence of a nodule. Gray-scale inversion and choice display sessions resulted in significantly higher nodule detection specificity and decreased sensitivity compared to traditional display. Gray-scale inversion may decrease false-positive nodule findings during chest X-ray interpretation.
Duke Scholars
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Related Subject Headings
- Solitary Pulmonary Nodule
- Sensitivity and Specificity
- Retrospective Studies
- Radiography, Thoracic
- Radiographic Image Enhancement
- ROC Curve
- Nuclear Medicine & Medical Imaging
- Lung Neoplasms
- Humans
- Diagnosis, Differential
Citation
Published In
DOI
EISSN
Publication Date
Volume
Issue
Start / End Page
Location
Related Subject Headings
- Solitary Pulmonary Nodule
- Sensitivity and Specificity
- Retrospective Studies
- Radiography, Thoracic
- Radiographic Image Enhancement
- ROC Curve
- Nuclear Medicine & Medical Imaging
- Lung Neoplasms
- Humans
- Diagnosis, Differential