Segmentation of the thrombus of giant intracranial aneurysms from CT angiography scans with lattice Boltzmann method

Medical Image Analysis
Yu ChenGuy Courbebaisse

Abstract

Computed Tomography Angiography (CTA) plays an essential role in the diagnosis, treatment evaluation, and monitoring of cerebral aneurysms. Segmentation of CTA medical images of giant intracranial aneurysms (GIA) provides quantitative measurements of thrombus and aneurysms geometrical characteristics allowing 3D reconstruction. In fact, GIA demonstrated neuroradiological features and propensity of partial or total spontaneous intra-aneurysmal thrombosis generating a thrombus. Despite intensive researches on medical image segmentation, aneurysm (Lumen, Thrombus, and Parent Blood Vessels) segmentation remains as a difficult problem that has not been yet resolved. In this paper, we proposed a Lattice Boltzmann Geodesic Active Contour Method (LBGM) for aneurysm segmentation in CTA images in order to estimate both the volumes of the thrombus and the aneurysm. Although the noise in the CTA images is very strong and the edges of the thrombus are not so different than the surrounding tissues, the aneurysms are segmented effectively. Based on these results, a method using a dome-neck aspect ratio (AR) parameter for the evaluation of the Spontaneous Thrombosis (ST) phenomena demonstrates the promising potentiality of this LBGM for clinic...Continue Reading

References

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Citations

Apr 3, 2016·Medical Physics·Yan WangGuy Courbebaisse
Jul 29, 2015·Journal of Neurointerventional Surgery·Daniel Ribeiro de SousaKarim Zouaoui Boudjeltia
May 12, 2019·Medical Physics·Kelly KislingLaurence Court
Sep 26, 2019·Scientific Reports·Fabien LareyreJuliette Raffort

Related Concepts

Mycotic Aneurysm, Intracranial
Cerebral Angiography
Pattern Recognition System
Radiographic Image Interpretation, Computer-Assisted
Subtraction Technique
Tomography, X-Ray Computerized Axial
Intracranial Thrombosis
Imaging, Three-Dimensional, Computer Assisted
Aneurysm
Blood Vessel

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