Ischemic stroke MRI
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Stroke Main page | |
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Ischemic stroke MRI On the Web | |
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American Roentgen Ray Society Images of Ischemic stroke MRI | |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
MRI
For diagnosing ischemic stroke in the emergency setting:[1]
- sensitivity= 83%
- specificity= 98%
MRI scan
- sensitivity= 81%
- specificity= 100%
For detecting chronic hemorrhages, an MRI scan is more sensitive.[2]
For the assessment of stable stroke, nuclear medicine scans SPECT and PET/CT may be helpful. SPECT documents cerebral blood flow and PET with FDG isotope the metabolic activity of the neurons.
Patient No 1: Change in Mental Status
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MRI - DWI
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MRI - FLAIR
Patient No 2: Left ACA Infarction
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MRI - T2
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MRI - T1
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MRI - ADC
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MRI- DWI
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MRI- DWI
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MRI- DWI
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MRI- DWI
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MRI- FLAIR
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MRI- FLAIR
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MRI- ADC
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MRI- A
References
- ↑ Chalela, J (2007). "Magnetic resonance imaging and computed tomography in emergency assessment of patients with suspected acute stroke: a prospective comparison". Lancet. 369 (9558): 293–8. PMID 17258669. Retrieved 2008-01-22. Unknown parameter
|coauthors=ignored (help) - ↑ Kidwell, C (2004). "Comparison of MRI and CT for detection of acute intracerebral hemorrhage". JAMA. 292 (15): 1823–30. PMID 15494579. Retrieved 2008-01-22. Unknown parameter
|coauthors=ignored (help)