Abstract:
Dual-energy subtraction imaging increases the sensitivity and specificity of pulmonary nodule detection in chest radiography by reducing the contrast of overlying bone structures. A prototype dual-energy system which enables rapid, dual-exposure imaging of the chest using a commercially available high-efficiency, flat-panel x-ray detector was constructed. As such, the quality of the clinical images generated with this prototype exceeds that of CR techniques and demonstrates the potential for improved detection and characterization of lung disease through dual-energy imaging.
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