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

Journal Article · Wed Oct 01 00:00:00 EDT 1986 · Radiology; (United States)

DOI:https://doi.org/10.1148/radiology.161.1.3763863· OSTI ID:6934198

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

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 microC/kg) per image, compared with the lowest possible posteroanterior screen-film exposure of 10 mR (2.58 microC/kg) at the chest and 60 mR (15.48 microC/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 degrees 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.

• Research Organization: Massachusetts General Hospital, Boston
• OSTI ID: 6934198
• Journal Information: Radiology; (United States), Vol. 1
• Country of Publication: United States
• Language: English

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