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Background:This study was performed to investigate the situations in which computed tomography (CT) combined with arterial portography and hepatic arteriography surpassed dynamic CT in the detection of hepatocellular carcinoma. Methods:Computed tomography combined with arterial portography and hepatic arteriography was performed on 137 patients with chronic hepatitis (92 men and 45 women; mean age, 66.5 years) with hepatocellular carcinoma (HCC) as revealed or suspected by dynamic CT. We analyzed the clinical factors leading to the discovery of additional HCC lesions on CT combined with arterial portography and hepatic arteriography that were undetected by dynamic CT. Results:Computed tomography combined with arterial portography and hepatic arteriography detected additional HCC lesions that had not been revealed by dynamic CT in 33 of 137 patients. Univariate analysis revealed that in the event of HCC recurrence (vs. primary), multiple HCC lesions detected by dynamic CT (vs. single) and decreased liver function (Child’s classification B/C vs. A) significantly favored the additional detection of HCC lesions. Multivariate logistic regression indicated that recurrence was the strongest predicting factor for finding additional lesions on computed tomography combined with arterial portography and hepatic arteriography. Conclusions:Computed tomography combined with arterial portography and hepatic arteriography is capable of finding additional HCC lesions undetectable by dynamic CT, especially in advanced cases such as HCC recurrence, which may affect the choice of treatment.
Background: This study was performed to investigate the situations in which computed tomography (CT) combined with arterial portography and hepatic arteriography surpassed dynamic CT in the detection of hepatocellular carcinoma. Methods: Computed tomography combined with arterial portography and hepatic arteriography was performed on 137 patients with chronic hepatitis (92 men and 45 women; mean age, 66.5 years) with hepatocellular carcinoma (HCC) as revealed or suspected by dynamic CT. We analyzed the clinical factors leading to the discovery of additional HCC lesions on CT combined with arterial portography and Hepatic arteriography that were undetected by dynamic CT. Results: Computed tomography combined with arterial portography and hepatic arteriography detected additional HCC lesions that had not been revealed by dynamic CT in 33 of 137 patients. Univariate analysis revealed that in the event of HCC recurrence (vs Multiple primary HCC lesions were detected by dynamic CT (vs. single) a Multivariate logistic regression indicated that recurrence was the strongest predicting factor for finding additional lesions on computed tomography combined with arterial portography and hepatic arteriography. Conclusions (nd decreased liver function (Child’s classification B / C vs. A) : Computed tomography combined with arterial portography and hepatic arteriography is capable of finding additional HCC lesions undetectable by dynamic CT, especially in advanced cases such as HCC recurrence, which may affect the choice of treatment.