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  • Title: Advanced multiple-beam equalization radiography in chest radiology: a simulated nodule detection study.
    Author: Kool LJ, Busscher DL, Vlasbloem H, Hermans J, vd Merwe PC, Algra PR, Herstel W.
    Journal: Radiology; 1988 Oct; 169(1):35-9. PubMed ID: 3420280.
    Abstract:
    To evaluate the efficacy of AMBER, a multiple-beam equalization system for chest radiography, the authors performed a nodule detection study using an anthropomorphic chest phantom. AMBER and conventional images were compared. The images were read by four observers, and analysis was done by means of modified receiver-operating characteristic (ROC) curves (free ROC curves [FROC]). The results of the FROC analysis show a significant increase in the detectability of nodules (P less than .001) projected over the mediastinum with the use of AMBER. No significant difference between AMBER and conventional images was noted in detectability of nodules projected over the lung.
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