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Related Experiment Video

Updated: May 28, 2026

Three-Dimensional Reconstruction of Orbital Fractures

Three-Dimensional Reconstruction of Orbital Fractures

Published on: May 16, 2025

Intraorbital access using fluoroscopic flat panel detector CT navigation and three-dimensional MRI overlay.

Daniel L Cooke¹, Michael Levitt, Louis J Kim

¹University of Washington School of Medicine, Departments of Radiology and Neurological Surgery, Seattle, Washington 98195-7115, USA. dcooke@uw.edu

Journal of Neurointerventional Surgery

|October 13, 2011

Summary

Flat panel detector CT (FD-CT) with 3D overlay enables precise head access, offering real-time guidance and imaging without patient repositioning for minimally invasive procedures.

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Area of Science:

Minimally invasive neurosurgery
Advanced medical imaging techniques
Interventional radiology

Background:

Flat panel detector CT (FD-CT) and 3D image overlay offer reduced radiation dose and comparable image quality to conventional CT.
These technologies facilitate MR/CT dataset superposition and accurate percutaneous procedure guidance with live instrument visualization.
Current applications minimally utilize these advanced techniques for cranial access.

Observation:

A 69-year-old man underwent percutaneous n-butyl cyanoacrylate (nBCA) embolization of an intraorbital mass.
The procedure utilized an Allura Xper FD20 unit with 3D image overlay and FD-CT navigation.
Real-time instrument position and re-imaging capabilities without patient transfer were key features.

Findings:

3D image overlay accurately delineated anatomical relationships between the optic nerve and the intraorbital mass.
Percutaneous nBCA embolization was technically successful, achieving the therapeutic goal without complications.
No non-target embolization or significant intraoperative bleeding occurred.

Implications:

FD-CT navigation and 3D image overlay provide superior instrument guidance and spatial resolution for neuro-navigation.
Real-time instrument positioning and intraoperative re-imaging offer advantages over existing neuro-navigation systems.
These advanced imaging techniques hold significant potential for enhancing minimally invasive cranial procedures.