Neuro-structural Evaluation by Magnetic Resonance Imaging in Patients Diagnosed with Migraine Headaches, with and without Aura

Zahra Janamiri^1, , Vahid Shahmaei¹ and Hamidreza Haghighatkhah²

¹Department of Radiology Technology, Shohada Tajrish Hospital, School of Allied Medicl Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran

²Department of Radiology, Shohada Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Cite this paper

Zahra Janamiri, Vahid Shahmaei and Hamidreza Haghighatkhah. Neuro-structural Evaluation by Magnetic Resonance Imaging in Patients Diagnosed with Migraine Headaches, with and without Aura. American Journal of Medical Case Reports. 2018; 6(2):30-32. doi: 10.12691/AJMCR-6-2-5

Abstract

Introduction: Migraine is one of the most common disabling disorders affecting more than 20% of general population at least for once in their lifetime. There are generally two types of migraine headaches, classified as with and without auras, presenting as visual, sensory or motor symptoms. In this study, authors plan to investigate the structural difference between these patients group by Magnetic Resonance Imaging (MRI) in a prospective case-control study. Materials and Methods: From August 2015 to October 2017, we have enrolled 40 patients suffering from migraine with aura symptoms into group A, and also we have categorized another 40 patients diagnosed with migraine without any types of aura in group B. These patients were referred to our neurology clinic of one of private hospitals in Tehran. Demographic data and thorough neurological examination performed and they underwent 1.5 Tesla MRI for further assessment of neuro-structures by an expert blinded neuro-radiologist. Statistical analysis was performed by SPSS 17.0 program using Student’s T-test and Chi-square test. Results: In group A, there were 9 males and 31 females with mean age of 34.3 years, while there were 13 males and 27 females with mean age of 37.6 years in group B. (P value=0.08) Twenty-five patients in group A experienced visual symptoms, followed by 9 patients with sensory symptoms and 6 patients with motor symptoms. MRI study for group A revealed normal neuro-imaging in 18, pineal and choroid plexus calcification in 8, hyperintense lesions on optic nerve and tract in 4, vascular malformation in 4, hyperintense signal on centrum semiovale in 3 and lateral ventricle asymmetry in 3 patients. While MRI study in group B revealed normal neuro-imaging in 24, hyperintense signal on centrum semiovale in 6 and lateral ventricle asymmetry in 4, dilated ventricles defined by Evans’ ratio in 3, pineal and choroid plexus calcification in 2 and brain tumor consistent with meningioma in 1 patient. Conclusion: Authors have found that some specific MRI pattern such as hyperintense lesions on optic nerve and tract and vascular malformation were exclusive to patients who experienced migraine with aura. Also we have noticed that patients without aura tend to have more normal neuro-imaging rather than patients with aura experience. Also we have found that pineal and choroid plexus calcifications were frequent in patients with migraine and aura experience. These findings, especially hyperintense lesions on optic nerve may prompt further evaluation for possible underlying demyelinating and auto-inflammatory and/or auto-immune diseases.

Keywords

Migraine, Headache, Magnetic Resonance Imaging, Demyelinating

Copyright

This work is licensed under a Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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