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- W2375620405 abstract "Objective To explore the application value of CT spectral imaging in the diagnosis of hepatocellular carcinoma and angiomyolipoma.Methods 33 patients with hepatic lesions received Gemstone Spectral Imaging scans,including 25 hepatocellular carcinomas and 8 angiomyolipomas,spectral serial images for the arterial phase and portal venous phase were obtained.The spectral parameters of lesions,normal hepatic tissue and the aorta were measured.The lesion liver contrast to noise ratio in the different energy levers,normalized iodine concentration and the lesion to normal hepatic tissue iodine concentration ratio were calculated.The results were analyzed with independent samples t test.Results The optimal monochromatic energy of hepatocellular carcinoma and angiomyolipoma were 50keV during the AP and 70keV and 40keV,during the PP respectively.The optimal CNR were 3.60± 2.19 and 9.08± 0.56,during the AP and 1.78±0.94,1.65±0.32,respectively,during the PP.The NIC were(0.26±0.09) mg/ml and(0.59±0.03) mg/ml,respectively,during the AP and(0.50±0.15) mg/ml and(0.78±0.03) mg/ml,respectively,during the PP.The LNR were 2.98±0.52 and 5.85±0.43,respectively,during the AP and 0.97±0.15 and 1.36±0.05,respectively,during the PP.The NIC and LNR for HCC were less than that of AML.There were significant differences in NIC,LNR,calcium(fat) and fat(calcium) concentration during the AP and PP between HCC and AML(P0.05).There were no significant differences of HCC and AML in the water(iodine) concentration during the AP and PP(P0.05).Conclusion Spectral CT with monochromatic images,iodine based material decomposition images and the quantitative analysis of iodine concentrations might be helpful for diagnosis of HCC and AML." @default.
- W2375620405 created "2016-06-24" @default.
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- W2375620405 date "2012-01-01" @default.
- W2375620405 modified "2023-09-26" @default.
- W2375620405 title "The CT Spectral Diagnostic Value in the Diagnosis of Hepatocellular Carcinoma and Angiomyolipoma" @default.
- W2375620405 hasPublicationYear "2012" @default.
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