TITLE

Radiation Dose Optimization in CT Planning of Corrective Scoliosis Surgery. A Phantom Study

AUTHOR(S)
Abul-Kasim, K.; Gunnarsson, M.; Maly, P.; Ohlin, A.; Sundgren, P.
PUB. DATE
June 2008
SOURCE
Neuroradiology Journal;Jun2008, Vol. 21 Issue 3, p374
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The aim of the study was to explore the possibility of obtaining a helical CT scan of a long segment of vertebral column, optimally reduce the radiation dose, compare the radiation dose of the low dose helical CT with that of some of the CT protocols used in clinical practice and finally assess the impact of such a dose reduction on the image quality. A chest phantom was examined with a 16-slice CT scanner. Six scans were performed with different radiation doses. The lowest radiation dose which had no impact on image quality with regard to the information required for surgical planning of patients with scoliosis, was 20 times lower than that of routinely used protocol for CT examination of the spine in children (0.38 mSv vs 7.76 mSv). Patients with scoliosis planned for corrective spinal surgery can be examined with low dose helical CT scan. The dose reduction systems (DRS) available in modern CT scanners contribute to dose reduction and should be used.
ACCESSION #
38011769

 

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