The development of a xenon/computed tomography cerebral blood flow quality assurance phantom.
A simple, easy to use, quality assurance and performance test phantom was developed for the xenon/computed tomography (CT) cerebral blood flow method. The phantom combines an inhalation system which allows for the simulation of xenon buildup or washout in the arterial blood as well as a multisection translatable cylinder in which several sections can be scanned during a preselected protocol to simulate the CT enhancement in brain tissue during a study. The phantom and scanning protocol are described and their use is demonstrated. The results compare favorably to the theoretically expected fast, intermediate, and slow "flow" values designed into the phantom.
Good
W F
WF
Department of Radiology, University of Pittsburgh, Pennsylvania 15261.
Gur
D
D
Herron
J M
JM
Kennedy
W H
WH
D002560:Cerebrovascular Circulation; D006801:Humans; D008961:Models, Structural; D011785:Quality Assurance, Health Care; D014057:Tomography, X-Ray Computed / Q000379:methods* / Q000592:standards; D014980:Xenon Radioisotopes
D014980:Xenon Radioisotopes