Ablation margin assessment of liver tumors with intravenous contrast-enhanced C-arm computed tomography

doi:10.4329/wjr.v4.i3.102

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Mar 28, 2012 (publication date) through Dec 1, 2024

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World Journal of Radiology

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1949-8470

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Radiol. Mar 28, 2012; 4(3): 102-108
Published online Mar 28, 2012. doi: 10.4329/wjr.v4.i3.102

Table 2 Computed tomography numbers and quantitative image noise for ideally centered and off-centered patients (mean ± SD)

Direction	aHU	pHU	LivHU	aSD	pSD	LivSD
Ideal centering	-97.5 ± 15.9	-92.8 ± 15.1	117.0 ± 21.5	9.9 ± 4.9	11.8 ± 4.3	17.0 ± 3.7
A	-96.9 ± 11.5 (0.4)	-91.4 ± 12.5 (0.25)	111.1 ± 24.3 (0.05)	11.8 ± 4.1 (0.004)^a	12.8 ± 3.8 (0.045)^a	18.8 ± 5.3 (0.003)^a
B	-95.5 ± 14.4 (0.16)	-89.1 ± 14.5 (0.03)^a	121.0 ± 24.5 (0.1)	9.8 ± 2.6 (0.33)	12.8 ± 3.9 (0.03)^a	17.6 ± 4.3 (0.09)

^aImplies significant statistical difference (P < 0.05). Numbers in parentheses are P values. A: Superior off-centering; B: Inferior off-centering; aHU: Mean computed tomography (CT) numbers in the anterior abdominal wall; pHU: Mean CT numbers in the posterior abdominal wall; LivHU: Mean CT numbers in the liver; aSD: Quantitative noise in the anterior abdominal wall: pSD: Quantitative noise in the posterior abdominal wall; LivSD: Quantitative noise in the liver.

Citation: Kim MS, Singh S, Halpern E, Saini S, Kalra MK. Ablation margin assessment of liver tumors with intravenous contrast-enhanced C-arm computed tomography. World J Radiol 2012; 4(3): 102-108
URL: https://www.wjgnet.com/1949-8470/full/v4/i3/102.htm
DOI: https://dx.doi.org/10.4329/wjr.v4.i3.102