Comparative Study Of 64-slice Spiral CT Negative Cholangiopancreatography And Magnetic Resonance Cholangiopancreatography In Diagnosis Of Obstructive Biliary Disease

Objective:To compare the biliary tract displaying capabilities and diagnostic value of 64-slice N-CTCP and MRCP in obstructive biliary disease. To explore the clinical value of 64-slice N-CTCP in diagnosis of obstructive biliary disease.Methods and Materials:The informations of sixty patients with obstructive jaundice were collected. These patiens were clinically diagnosed and had both 64-slice N-CTCP and MRCP data. The capabilities of the two methods in displaying bile duct were contrasted and analysed. Diagnosis of the two methods and clinical diagnosis were contrasted and analysed. SPSS 16.0 was used in the statistical analysis.Results:About the capabilities of the two methods in displaying bile duct, the average capability of 64-slice N-CTCP in displaying bile duct was 4.17°(2°～5°) and the average capability of MRCP in displaying bile duct was 4.38°(2°～5°). By Wilcoxon's Sign Rank Test, the capabilities of the two methods in displaying bile duct were no significant differences (T-=175, T+=353, P>0.05). About the two methods locating and qualitative diagnosing obstructive biliary disease, the location accuracy rate of the two methods was 100%(60/60), whereas the accuracy rate of qualitative diagnosis was 91.7%(55/60) in 64-slice N-CTCP and 85.0%(51/60) in MRCP. By McNemar Test, the diagnostic accuracy of the two methods were no significant differences (P> 0.05)Conclusion:64-slice N-CTCP is similar to MRCP on capability in displaying bile duct, the accuracy rate of localization and qualitative diagnosis. In clinical diagnosing obstructive biliary disease,64-slice N-CTCP is convenient, efficient, secure and accurate, moreover, it can be used as conventional examination of obstructive biliary disease.