Annals of Indian Academy of Neurology
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Year : 2011  |  Volume : 14  |  Issue : 2  |  Page : 78-80

Neuroimaging in epilepsy

Department of Neurology, Bangur Institute of Neuroscience and Psychiatry, 52/1A, S.N. Pandit Street, Kolkata, India

Correspondence Address:
Trishit Roy
Department of Neurology, Bangur Institute of Neuroscience and Psychiatry, 52/1A, S.N. Pandit Street, Kolkata- 700 025
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-2327.82787

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Epilepsy is a common neurological disorder with diverse etiologies. Neuroimaging plays an important role in workup of patients with epilepsy. It helps to identify brain pathologies that require specific treatment; and also in formulating syndromic and etiological diagnoses so as to give patients and their relatives an accurate prognosis. Magnetic resonance imaging, specially the 3 tesla MRI is the imaging of choice because of its ability to detect small lesions like mesial temporal sclerosis, cortical dysplasias, small tumors, etc that are not detected by conventional MR or CT scan of brain. Identification of these lesions often helps in managing refractory epilepsies more effectively. However, cost and non-availability of MR in large part of the country necessitate the use of CT as an alternative. CT is often the initial investigation and also useful in acute situations. Functional imagings are used for pre-surgical work-up of refractory epilepsy cases with an aim to identify the epileptogenic focus and to delineate functional areas nearing the focus.

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