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Kamalian S, Kamalian S, Konstas AA, Maas MB, Payabvash S, Pomerantz SR, Schaefer PW, Furie KL, Gonzalez RG, Lev MH. CT perfusion mean transit time maps optimally distinguish benign oligemia from true “at-risk” ischemic penumbra, but thresholds vary by postprocessing technique. AJNR Am J Neuroradiol. March 2012;33(3):545-549.

Full Text – Open Access

Publication Date
March 2012

How Analyze was Used
“All ROIs were transposed onto the CBF, CBV, and MTT maps created by each software package, and on the product of the CBF*CBV map, which was calculated by multiplying CBF by CBV maps with the commercial Analyze program (Analyze 8.1; AnalyzeDirect).”

Keywords
Aged
Aged, 80 and over
Algorithms
Brain Ischemia/complications/radiography
Female
Humans
Male
Middle Aged
Perfusion Imaging/methods
Radiographic Image Enhancement/methods
Radiographic Image Interpretation, Computer-Assisted/methods
Reproducibility of Results
Retrospective Studies
Sensitivity and Specificity
Stroke/complications/radiography
Tomography, X-Ray Computed/methods

Author Affiliation(s)
Departments of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, US. (Shervin K, Shahmir K, AAK, SP, SRP, PWS, RGG, MHL)

Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, US. (MBM, KLF)

ID# 462

Tags: Aged, Aged_80 and over, Algorithms, Brain Ischemia/complications/radiography, Computer-Assisted Radiographic Image Interpretation/methods, Female, Humans, Male, Middle Aged, Perfusion Imaging/methods, Radiographic Image Enhancement/methods, Reproducibility of Results, Retrospective Studies, Sensitivity and Specificity, Stroke/complications/radiography, X-Ray Computed Tomography/methods