A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/055 (2006.01) G01R 33/563 (2006.01) G01R 33/48 (2006.01)
Patent
CA 2183398
The present invention provides,in a method of magnetic resonance imaging of cerebral blood flow using pulse sequence of rapid gradient-echo method, wherein the pulse is RF pulse having slice gradient, read gradient and phase-encode gradient, the improvement comprises giving the RF pulse with flip angle of between 45 and 60 degrees, and adding an additional gradient to each of the slice gradient, read gradient and phase-encode gradient, thereby diffusing and refusing proton spin in the cerebral blood flow. This method makes it possible to clearly image very slight changes in the blood flow in the brain, and permits diagnosis of diabetes by detecting the increase in the blood flow in a specific brain region after systemic administration of insulin.
Torii Kunio
Yokawa Takashi
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Research Development Corporation Of Japan
Torii Kunio
Yokawa Takashi
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