Radiation dose reduction in the evaluation of scoliosis: An application of digital radiography

D. C. Kushner, R. H. Cleveland, T. E. Herman, D. J. Zaleske, M. G. Ehrlich, J. A. Correia

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

This report documents the clinical testing of scanning beam digital radiography as an imaging method in patients with scoliosis. This type of digital imaging requires a skin exposure of only 2.4 mR (0.619 μC/kg) per image, compared with the lowest possible posteroanterior screenfilm exposure of 10 mR (2.58 μC/kg) at the chest and 60 mR (15.48 μC/kg) at the lumbar spine. Digital radiographic and screen-film images were obtained on multiple test objects and 273 patients. Scoliosis measurements using screen-film radiographs and digital radiographs were comparable to within a mean difference of 1° at many different degrees of severity. The low-dose digital images were found to be useful and accurate for the detection and measurement of scoliosis after the first screen-film radiographs have excluded tumors and structural abnormalities.

Original languageEnglish
Pages (from-to)175-181
Number of pages7
JournalRadiology
Volume161
Issue number1
DOIs
StatePublished - 1986

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