Concepedia

Variation in CT Number and Image Noise Uniformity According to Patient Positioning in MDCT

Timothy P. Szczykutowicz, Andrew DuPlissis, Perry J. Pickhardt

American Journal of Roentgenology · 2017 · 66 citations · 29 references

DOI

Abstract

Radiologists should treat CT number measurements with caution when patients are grossly mispositioned in the scanner. The substantial changes in attenuation values shown in the present study are large enough to warrant further investigation.

References

29

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, , +11

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, , +15