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ORATION LECTURE Table of Contents   
Year : 2008  |  Volume : 18  |  Issue : 4  |  Page : 281-286
CT perfusion in acute stroke

Department of Radiodiagnosis and Imaging, PGIMER, Sector 12, Chandigarh, India

Correspondence Address:
Niranjan Khandelwal
Department of Radiodiagnosis and Imaging, PGIMER, Sector 12, Chandigarh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-3026.43837

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Stroke is a heterogeneous syndrome caused by multiple mechanisms, all of which result in disruption of normal cerebral blood flow and thereby cause cerebral dysfunction. Its early diagnosis is important as its treatment is dependent on the time elapsed since ictus. Delay in diagnosis and treatment translates into increase neuronal loss and thereby increased morbidity. CT scan, and in particular perfusion CT, has helped greatly in the early diagnosis of stroke. This article is an endeavor to explain the pathophysiology of cerebral ischemia and the role of CT perfusion in detecting it.

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