title: Functional imaging in chronic migraine.
abstract: Chronic migraine is a relatively common disorder in neurological terms that causes very significant disability at a high cost. The precise mechanisms behind the progression of episodic migraine to chronic migraine are not well understood. Functional neuro-imaging works on the basis that neuronal activations are associated with changes in regional cerebral blood flow, and it can help us answer some of these questions. In this review, we discuss important recent studies in chronic migraine or studies relating to increasing frequency of migraine attacks. The findings show that increasing frequency of migraine attacks is associated with changes in key brainstem areas, basal ganglia and various cortical areas involved in pain.
authors.affiliation: Headache Group-Department of Neurology, University of California, San Francisco, 1701 Divisadero St, San Francisco, CA 94115, USA. farooq_maniyar@hotmail.com
authors.forename: Farooq H
authors.initials: FH
authors.lastname: Maniyar
authors.forename: Peter J
authors.initials: PJ
authors.lastname: Goadsby
mesh_terms: D001933:Brain Stem / Q000000981:diagnostic imaging* / Q000503:physiopathology; D002560:Cerebrovascular Circulation; D002908:Chronic Disease; D018450:Disease Progression; D005260:Female; D019788:Fluorodeoxyglucose F18; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008297:Male; D008881:Migraine Disorders / Q000000981:diagnostic imaging* / Q000503:physiopathology; D049268:Positron-Emission Tomography / Q000379:methods*; D019275:Radiopharmaceuticals; D012720:Severity of Illness Index
chemical_list: D019275:Radiopharmaceuticals; D019788:Fluorodeoxyglucose F18
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