JOURNAL OF SHANDONG UNIVERSITY (HEALTH SCIENCES) ›› 2017, Vol. 55 ›› Issue (7): 84-88.doi: 10.6040/j.issn.1671-7554.0.2016.996

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Diagnostic value of three-dimensional reconstruction in cystic duct variation based on VTK

DOU Ruixin, XUE Minna, LI Guohua   

  1. Department of Radiology, Tianjin Nankai Hospital, Tianjin 300100, China
  • Received:2016-08-16 Online:2017-07-10 Published:2017-07-10

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Abstract: Objective To investigate the diagnostic value and clinical significance of three-dimensional visualization system implemented by Visualization Toolkit(VTK)for cystic duct variation. Methods Data of 160 cases with biliary tract diseases were retrospectively analyzed. Diagnosis of cystic ductal variation by magnetic resonance cholangiopancreatography(MRCP)was proceeded respectively by using the traditional maximum density projection(MIP)and three-dimensional visualization system assist, and compared with the results of the operation which was used as the golden standard. Results Totally 81 cases of cystic ductal variance were detected by the three-dimensional visualization system which were consistent with the operation results without significant difference(κ=0.950, P=1.000). Only 51 cases were detected by MIP combined with thin-layer image, and the difference with the operation results were statistically significant(κ=0.477, P<0.001). Among 39 cases of the cystic duct variation forward and backward to the hepatic duct which is difficult to be definitely diagnosed, 12 cases and 27 cases were detected by the three-dimensional visualization system, which were consistent with the operation results without significant difference(κ=0.880, P=1.000). However, using MIP combined with thin layer 24 cases and 15 cases were detected, and the difference with the operation results was statistically significant(κ=0.246, P=0.004). Conclusion Three-dimensional visualization system implemented by VTK has the ability to improve the detection rate in the diagnosis of cystic duct variation, which 山 东 大 学 学 报 (医 学 版)55卷7期 -窦瑞欣,等.基于VTK实现三维重建在胆囊管变异中的诊断价值 \=-not only makes up for the deficiency of accurate display of MIP to the space adjacent relations, but also help to understand the cystic duct anatomic variation before operation and avoid bile duct injury in cholecystectomy.

Key words: Anatomic variations, Visualization toolkit, Medical three-dimensional visualization, Cystic duct, Magnetic resonance cholangiopancreatography

CLC Number: 

  • R812
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