COMPARISON OF DIGITIZED AND DIRECT VIEWED (ANALOG) RADIOGRAPHIC IMAGES FOR DETECTION OF PULMONARY NODULES |
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Authors: | Laura J Armbrust James J Hoskinson David S Biller R Mackenzie Ostmeyer George A Milliken Jaesung Choi |
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Affiliation: | Department of Clinical Sciences, Kansas State University, Manhattan, KS 66560, USA. armbrust@vet.k-state.edu |
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Abstract: | The purpose of this study was to compare direct (analog) viewing of thoracic radiographs with digitized images obtained with a radiographic scanner and seven digital cameras for detection of pulmonary nodules. Direct viewing of the analog radiographs was significantly better than all digitized methods (P<0.01). Significant variations exist between the radiographic scanner and the digital cameras. The scanner (Kodak LS75) was significantly better than the Kodak DC 4800 and the Sony DSC-707 cameras (P<0.05). The Nikon 995, Canon EOS-D30, and Ricoh i500 were significantly better than the Sony DSC-707 (P<0.05). There was no significant difference between the Kodak DC 3800, Kodak DC 4800, and the Sony DSC-707. For pairwise comparison of raters (when evaluating the radiographs individually compared with the consensus), the raters matched the consensus rating from 85% to 92% with no significant difference between raters. |
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Keywords: | digital camera pulmonary nodules radiographic scanner teleradiology |
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