Related Experiment Video
Updated: Feb 16, 2026
Three-dimensional Location Approach with Silk Thread Guided Laparoscopic Segmentectomy for Liver Tumor
Published on: May 23, 2025
Image-Guided Proper Liver Segmentectomy
L Roncati1, A Manenti2, E Simonini3
1Department of Pathological Anatomy, University of Modena and Reggio Emilia, Modena, Italy.
Background:
The new cross-sectional radiological tools, 3D computed tomography and magnetic resonance, allow a precise study of the liver anatomy. Thanks to these imaging techniques, a new space inside the liver parenchyma, the "hepatic core," was recently recognized, where the hila of liver segments are present.
Methods:
On the basis of anatomical and radiological observations, we identified a new virtual plane of dissection, named "hepato-portal," which is useful in liver segmentectomy, if integrated with the classical planes of dissection.
Results:
Simulated surgical procedures can be intra-operatively transferred by ultrasounds. In this way, we performed ten "proper" liver segmentectomies through preliminary sections of the hilar vessels and a precise dissection of the boundaries of each segment.
Conclusions:
Our experience underlines the value of integrating anatomy and radiology in the simulated liver surgery.
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