Method software and apparatus for acquiring mr-image data pertaining to a moving organ
First Claim
1. Method for acquiring MR image data pertaining to a moving organ, said organ executing motion between a first extreme and a second extreme position, said method comprising the steps of:
- registering a scout film of the organ concurrently with the registration of at least one signal that is indicative for the position of such organ as measured with the scout-film acquiring real-time MR image data in at least one scan-plane of said organ, whereby the position of said scan-plane is adjusted depending on the concurrently measured signal estimating the position of said organ between its extreme positions, characterized in that a plurality of scan-planes are employed whereby for each individual scan-plane of said plurality of scan-planes, its position as a function of time is defined in relation to pre-selected organ-positions as measured with the scout-film; and
that during the acquisition of the real-time MR image data the respective scan-positions are each individually adjusted, each scan-plane position thereby depending on the signal indicative for the position of the organ.
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Abstract
A method for acquiring MR image data pertaining an organ, moving between a first extreme and a second extreme position such as in motion due to breathing of the patient to be examined. A scout film is registered of the organ concurrently with the registration of a signal that is indicative for the position of such organ. Real-time MR image data are acquired in at least one scan-plane of said organ, and the scan-plane is adjusted depending on the concurrently measured signal estimating the position of said organ. Several scan-planes are employed. For each individual scan-plane of said plurality of scan-planes, its position as a function of time is defined in relation to pre-selected organ-positions is measured with the scout-film. During the acquisition of the real-time MR image data the respective scan-positions are each individually adjusted, each scan-plane position thereby depending on the signal indicative for the position of the organ. In particular the invention is used in cardiac MR-imaging.
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Citations
7 Claims
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1. Method for acquiring MR image data pertaining to a moving organ, said organ executing motion between a first extreme and a second extreme position, said method comprising the steps of:
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registering a scout film of the organ concurrently with the registration of at least one signal that is indicative for the position of such organ as measured with the scout-film acquiring real-time MR image data in at least one scan-plane of said organ, whereby the position of said scan-plane is adjusted depending on the concurrently measured signal estimating the position of said organ between its extreme positions, characterized in that a plurality of scan-planes are employed whereby for each individual scan-plane of said plurality of scan-planes, its position as a function of time is defined in relation to pre-selected organ-positions as measured with the scout-film; and
thatduring the acquisition of the real-time MR image data the respective scan-positions are each individually adjusted, each scan-plane position thereby depending on the signal indicative for the position of the organ. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification