Isolation of aneurysms from parent vessels in volumetric image data

Abstract

Provided herein is a system for isolating aneurysms and parent vessels in volumetric image data. According to one aspect, the system generates a refined mask by performing region growing starting at the apex of the aneurysm dome to eliminate vessels indirectly connected to the aneurysm or parent vessel in the volumetric image data. The final mask may be generated based at least in part on the fine mask by eliminating any contacting vessels connected to the aneurysm from the fine mask. The final mask can then be used for segmentation of the aneurysm from the parent vessel in the volumetric image data.

Description

technical field [0001] The present disclosure relates generally to digital image data processing, and more particularly to isolation of an aneurysm from its parent vessel in volumetric image data. Background technique [0002] An aneurysm is a localized, congestive dilation or bulge of a blood vessel caused by disease or weakening of the vessel wall. Aneurysms can appear anywhere there are blood vessels, although they are most commonly found in arteries. Aneurysms most commonly occur in arteries at the base of the brain, in the circle of Willis, and in the aorta. Rupture and blood clotting are the risks involved with an aneurysm. In particular, if the patient suffers from elevated blood pressure, this bulge in the blood vessel can burst at any time and cause bleeding and possibly death. Except for ruptures in extremities, the risk of death is higher. The larger an aneurysm becomes, the more likely it is to burst. [0003] X-ray C-arms are routinely used in medicine to a...

AI Technical Summary

Problems solved by technology

As shown, aneurysms 102a-h have been incorrectly detected due to leakage (or overflow) into adjacent vessels outside the region of interest

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