The study of liver volume measurements by multi-slice spiral CT
- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF RADIOLOGY
- Issue:
- 5
- DOI:
- 10.3321/j.issn:1005-1201.2008.05.003
- Key Word:
- 肝移植;体层摄影术,X线计算机;对比研究;Liver transplantation;Tomography,X-ray computed;Comparative study
Abstract： Objective To compare the two liver volume measurements using multi-slice spiral CT (MSCT)for clinical reference.Methods Twenty-four patients with hepatic disease awaiting orthotopic liver transplantation underwent muhiphase MSCT of the upper abdomen.Liver volumes using two measurements(manual volume measurement and semi-automated volume measurement)before transplantation were compared with the actual liver volume(ALV)measured during transplantation by means of water displacement.Both measurements were timed.Correlation coefficient.one way ANOVA and Bland-Altman tests were used for statistical analysis.Results The mean liver volume estimated with the manual method and the semi-automated method were(1360±157)cm3 and(1345±152)cm3.respectively.The actual liver volume was(1307±153)cm3.There was no significant diffierence between the volumes measured using the three methods(F=0.032,P＞0.05).For all the patients,there Was significant correlation between liver volume measured by MSCT and the actual liver volume.There was a good correlation between the liver volume measured by manual method and the actual liver volume(r=0.976,P＜0.05),so did the correlation between the liver volume measured by semi-automated method and the actual liver volume (r=0.987,P＜0.05).And the semi-automated method took much shorter time[(9.2±1.8)min]compared with the manual method [(23.2±5.8)min ].Conclusion Semi-automated method provided acceptable measurements for liver volume.
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