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Interexaminer Difference in Infarct Volume Measurements on MRI
Author(s) -
Hakan Ay,
Ethem Murat Arsava,
Márk Vangel,
Banu Oner,
Mingwang Zhu,
Ona Wu,
Aneesh B. Singhal,
Walter J. Koroshetz,
A. Gregory Sorensen
Publication year - 2008
Publication title -
stroke
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.397
H-Index - 319
eISSN - 1524-4628
pISSN - 0039-2499
DOI - 10.1161/strokeaha.107.502104
Subject(s) - medicine , intraclass correlation , nuclear medicine , diffusion mri , cerebral blood flow , magnetic resonance imaging , lesion , correlation , perfusion , stroke (engine) , radiology , cardiology , surgery , mathematics , mechanical engineering , clinical psychology , geometry , engineering , psychometrics
The measurement of ischemic lesion volume on diffusion- (DWI) and perfusion-weighted MRI (PWI) is examiner dependent. We sought to quantify the variance imposed by measurement error in DWI and PWI lesion volume measurements in ischemic stroke.

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