Abstract
PURPOSE: To evaluate the contribution of conventional brain magnetic resonance imaging (MRI) for the determination of intracranial aneurysms. MATERIALS AND METHODS: Brain MRI and computed tomography angiography (CTA) of 45 patients (29 women and 16 men; age range, 32-80 years) with aneurysm were analyzed. A comparison was made between brain MRI and CTA based on size and presence of aneurysm. The comparisons between MRI and CTA were investigated through Bland-Altman graphics, receiver operating characteristic curve, and Kappa statistics. RESULTS: Fifty-seven aneurysms were evaluated. Forty-five percent of 57 aneurysms on CTA were detected on conventional brain MRI. A significant correlation was found between CTA and brain MRI in the diagnosis of aneurysm (P < 0.05). In an analysis of the size measurement, a significant correlation was observed between CTA and brain MRI. Seventy-seven percent of aneurysms <4 mm was not detected and the efficiency of MRI in the detection of aneurysms <4 mm was found to be low. CONCLUSION: Aneurysms can also be appreciated on conventional brain MRI, and vascular structures should be reviewed carefully while analyzing brain MRI.
Copyright
Association for Helping Neurosurgical Sick People. This is an open
access article published by Thieme under the terms of the Creative
Commons Attribution-Non Derivative-Non Commercial License, permitting
copying and reproduction so long as the original work is given
appropriate credit.
Contents may not be used for commercial purposes, or
adapted, remixed, transformed or built upon. ( https://creativecommons.org/licenses/by-nc-nd/4.0/
)
This is an open-access article distributed under the terms of the
Creative Commons Attribution-Non Commercial-No Derivatives License, which
permits unrestricted reproduction and distribution, for non-commercial
purposes only; and use and reproduction, but not distribution, of
adapted material for non-commercial purposes only, provided the original
work is properly cited.