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Related Experiment Video

Updated: Oct 31, 2025

A Volumetric Method for Quantification of Cerebral Vasospasm in a Murine Model of Subarachnoid Hemorrhage
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An Efficient Method for Aneurysm Volume Quantification Applicable in Any Shape and Modalities.

Jaewoo Chung1, Jung Ho Ko1

  • 1Department of Neurosurgery, Dankook University College of Medicine, Cheonan, Korea.

Journal of Korean Neurosurgical Society
|June 29, 2021
PubMed
Summary
This summary is machine-generated.

A new, universal aneurysm volume quantification (AVQ) method is introduced, offering a more accurate and accessible alternative to the common but imprecise ellipsoid method. This technique is validated for various aneurysm shapes and diagnostic imaging modalities.

Keywords:
3D modelEllipsoid methodIntracranial aneurysmVolume quantification

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Area of Science:

  • Medical Imaging
  • Computational Anatomy
  • Vascular Surgery

Background:

  • Aneurysm volume quantification (AVQ) is crucial for diagnosis and treatment planning.
  • Current methods, like the ellipsoid equation, are widely used but known for their inaccuracy.
  • 3D rendered data for AVQ has practical limitations in general applications.

Purpose of the Study:

  • Introduce a novel, universal method for accurate aneurysm volume quantification (AVQ).
  • Develop a cost-effective and user-friendly AVQ technique applicable to any aneurysm shape and diagnostic modality.
  • Address the limitations of existing AVQ methods, particularly the ellipsoid approach.

Main Methods:

  • A comprehensive literature review identified common AVQ techniques from 1997-2019.
  • A novel method was developed involving the subtraction of normal artery volume from a 3D model.
  • Digital Imaging and Communications in Medicine (DICOM) data was converted to stereolithography (STL) format for 3D model manipulation.
  • Fifty aneurysms were used to validate the new method against existing techniques (RadiAnt, ellipsoid) using 3D Slicer as a reference.

Main Results:

  • The ellipsoid method, used in ~60% of reviewed studies, showed significant deviations (4.04±30.54%) compared to 3D Slicer.
  • The 3D model approach (RadiAnt) demonstrated small deviations (-1.21±7.46%) across various aneurysm shapes.
  • The proposed universal method showed high accuracy and consistency, outperforming the ellipsoid method.

Conclusions:

  • The widely used ellipsoid method for AVQ remains inaccurate.
  • A novel, universal AVQ method is proposed, offering validity, low cost, and ease of use.
  • This new technique provides a more reliable solution for aneurysm volume measurement across diverse clinical scenarios.