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Related Experiment Video

Updated: Feb 16, 2026

Three-dimensional Location Approach with Silk Thread Guided Laparoscopic Segmentectomy for Liver Tumor

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.

World Journal of Surgery

|December 23, 2017

Summary

This summary is machine-generated.

New imaging techniques reveal the "hepatic core," a key liver anatomical space. This discovery enables a novel "hepato-portal" dissection plane for improved liver segmentectomy surgical outcomes.

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Area of Science:

Hepatobiliary surgery
Surgical anatomy
Medical imaging

Background:

Advanced radiological tools like 3D computed tomography and magnetic resonance imaging offer precise visualization of liver anatomy.
These techniques have led to the identification of a novel anatomical space within the liver parenchyma, termed the "hepatic core," which houses the hila of liver segments.

Purpose of the Study:

To introduce and validate a new virtual dissection plane, the "hepato-portal" plane, for liver segmentectomy.
To demonstrate the utility of integrating anatomical and radiological findings into surgical practice.

Main Methods:

Identification of the "hepato-portal" plane based on anatomical and radiological observations.
Application of the "hepato-portal" plane in conjunction with classical dissection planes during liver segmentectomy.
Intra-operative transfer of simulated surgical procedures using ultrasound guidance.

Main Results:

Ten liver segmentectomies were successfully performed using the described technique.
Procedures involved preliminary dissection of hilar vessels and precise delineation of segment boundaries.
The "hepato-portal" plane facilitated accurate surgical dissection.

Conclusions:

The integration of anatomical knowledge and radiological imaging is crucial for simulated liver surgery.
The "hepato-portal" dissection plane represents a valuable addition to surgical techniques for liver segmentectomy.
This approach enhances precision and potentially improves outcomes in liver segmentectomies.