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Software for hepatic vessel classification: feasibility study for virtual surgery.

A Sboarina¹, R I Foroni, A Minicozzi

¹Anesthesiological and Surgical Science Department, University Hospital of Verona, Piazzale A. Stefani 1, Verona, Italy. andrea.sboarina@univr.it

International Journal of Computer Assisted Radiology and Surgery

|December 25, 2009

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This study introduces software for classifying and reconstructing hepatic and portal venous systems. The tool offers accurate 3D vessel analysis for surgical planning, even with complex pathologies.

Area of Science:

Medical Imaging
Vascular Anatomy
Surgical Planning

Background:

Accurate hepatic and portal system visualization is crucial for pre-surgical planning.
Pathological variations can complicate hepatic vessel analysis.

Purpose of the Study:

To develop and validate a software tool for the classification, analysis, and 3D reconstruction of hepatic and portal venous systems.
To provide an efficient tool for hepatic pre-surgery planning.

Main Methods:

Software extracts graphic representations of connected voxels for hepatic and portal systems.
Calculates binary volumes for the main components of the venous systems.
Combines results for accurate vessel classification and 3D reconstruction.

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Main Results:

Semi-automatic segmentation requires approximately 40 minutes.
Automatic schematization and classification take about 17 minutes.
The software achieves correct and detailed vessel reconstruction, handling morphological variations.

Conclusions:

The developed software provides accurate 3D reconstructions of hepatic and portal systems, even with pathologies.
The procedure's time efficiency (under 1 hour total) is compatible with clinical needs.
This tool enhances diagnostic capabilities and supports hepatic pre-surgery planning.