The significance of the occlusion in making dentures |
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Authors: | AD Shvarts |
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Affiliation: | Department of Radiology, Hyogo College of Medicine, Nishinomiya, Japan. |
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Abstract: | PURPOSE: Multivariate analysis was used to study the effectiveness and optimum dose level of Lipiodol (LP) in transcatheter arterial embolization (TAE) of hepatocellular carcinoma (HCC). METHODS: A total of 219 cases of nodular type HCC, with a tumor diameter less than 7 cm, were studied. TAE was performed using both Gelfoam sponge (GS) and LP in 158 cases; in the remaining 61 cases only GS was used. RESULTS: Statistical stepwise variable selection revealed that only LP had a negative T-value, suggesting that LP is a useful factor for prognosis. The most favorable effect on patient prognosis was obtained with an LP dose level (expressed in mm) of 1-1.5 times the absolute value of the tumor diameter (expressed in cm). CONCLUSION: A significant difference (p < 0.01, log-rank test) in survival was found between the GS with LP group and the GS only group, using Cox's proportional hazard model. |
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