Method to enhance the sensitivity of MRI for magnetic susceptibi

Details Method to enhance the sensitivity of MRI for magnetic susceptibi Method to enhance the sensitivity of MRI for magnetic susceptibi

1993-08-13

1995-10-17

Arana, Louis

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324307, G01V 300

Patent

active

054594006

ABSTRACT:
A method for enhancing the sensitivity of gradient-recalled echo imaging for T2* effects in dynamic magnetic resonance imaging which involves the step of delaying gradient-recalled echoes so that the gradient-recalled echoes are subjected to magnetic susceptibility effects for an extended period of time. The gradient-recalled echoes are delayed beyond a subsequent radio frequency pulse by applying an additional gradient which dephases any gradient-recalled echo of spins that are excited in the radio frequency repetition time period in which said gradient-recalled echoes are produced.

REFERENCES:
patent: 5270654 (1993-12-01), Feinberg et al.
patent: 5300886 (1994-04-01), Moonen

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