Optimum radiographic examination for consideration of compensation awards: I. General methodology and application to chest examination

A major goal of the radiologist is to devise methods to decrease health care costs and radiation exposure without sacrificing diagnostic accuracy. In a large Veterans Administration (VA) hospital, a prospective study was undertaken to determine the optimum number of radiographic projections needed to assess applicants for VA compensation for chest disease or injury claimed to be service-related. Three separate readings of every chest radiographic assessment could have been made from a single posteroanterior view. In eight cases, granulomas or mild hyperexpansion of the lungs were only appreciated using the lateral projection, but these findings were not clinically significant and did not affect decisions as to whether compensation sould be awarded. The only potentially serious lesion missed (a possible pulmonary nodule) using the posteroanterior view alone was also missed using the lateral and only suggested by the oblique views. Extrapolating these results to data on compensation examinations performed in the entire VA system (fiscal year 1978), it was concluded that limiting the radiographic examination of the chest to a single posteroanterior view would eliminate 150,000 radiographs in the evaluation of 190,000 applicants and yield an annual savings of almost $900,000.
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