3D-Elaboration of postoperative CT data after liver resection: technique and utility |
| |
Authors: | Siegfried Beller T Lange S Eulenstein L Beller S Chopra O Dudeck P M Schlag M Hünerbein |
| |
Institution: | 1. Charitè Campus Buch, Berlin, Germany 2. Klinik für Chirurgie und Chirurgische Onkologie, Robert-R?ssle Klinik, Lindenberger Weg 80, 13125, Berlin, Germany
|
| |
Abstract: | Objectives 3D reconstructions of CT data permit precise planning of liver surgery. To analyze the realisation of surgical plans 3D reconstructed
postoperative CT data were evaluated.
Method Pre- and postoperative CT data were analyzed on a series of 15 liver resections (2 hemihepatectomies and 13 segmental resections)
by 3D reconstruction of portal and hepatic veins. Virtual surgical resection plans were compared with 3D reconstructed postoperative
CT data and clinical data.
Results Pre- and postoperative CT data as the basis for subsequent processing were of comparable quality. Detailed elaboration of
data could be realized with an overall data processing and analyzation time of 120 min. The best correlation between calculated
and actually measured liver resection volume was obtained by intersection volumes of portal and hepatic veins (k = 0.828, P < 0.000). However, portal and hepatic vein analysis revealed 9 and 12% of liver parenchyma with unplanned resection and 5
and 1% of unplanned residual tissue. No correlation with clinical data was found in this series.
Conclusion Volume calculation without consideration of vascular anatomy is less suited for precise assessment of surgical plan implementation
in our study. Comparison of pre- and postoperative vascular structures with the aid of three-dimensionally reconstructed CT
data is feasible. Unplanned resected and remained liver tissue can be identified. However, its clinical meaning for quantitative
analysis of surgical plan implementation is questionable and should be investigated in larger series. |
| |
Keywords: | |
本文献已被 SpringerLink 等数据库收录! |
|