Magnetic resonance method and apparatus for producing an angiographic image
AssigneeSiemens Aktiengesellschaft
InventorRainer Kirsch
Life of this patent
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Abstract
In a magnetic resonance method and apparatus for generation of an angiographic image of a vascular system of a patient, a first data set of k-space data of the region to be examined is acquired using a contrast agent-free magnetic resonance angiography technique, a second data set of k-space data of the region to be examined is acquired using a contrast agent-assisted magnetic resonance angiography technique, and an angiographic image of the region to be examined is produced using both the first measurement data of the first data set and the second measurement data of the second data set.
Claims11
A method for generating a magnetic resonance angiographic image of a vascular system of a subject, comprising the steps of:
- acquiring a first magnetic resonance data set from a region of a subject using a contrast agent-free magnetic resonance angiography data acquisition technique, and entering said first magnetic resonance data set into k-space as first k-space data;
- acquiring a second magnetic resonance data set from said region of the subject using a contrast agent-aided magnetic resonance angiography data acquisition technique, and entering said second magnetic resonance data set into k-space as second k-space data;
- and
- reconstructing an angiographic image of said region using both said first k-space data and said second k-space data.
A magnetic resonance apparatus for generating a magnetic resonance angiographic image of a vascular system of a subject, said apparatus comprising:
- a magnetic resonance data acquisition unit configured to interact with a subject to acquire magnetic resonance data from the subject;
- a contrast agent injector configured to interact with the subject to inject contrast agent into the subject that enhances visualization of at least a portion of the vascular system of the subject;
- a control unit that operates said magnetic resonance data acquisition unit and said contrast agent injector to acquire a first magnetic resonance data set from a region of the subject using a contrast agent-free magnetic resonance angiography data acquisition technique, and to acquire a second magnetic resonance data set from the region of the subject using said contrast agent injector in a contrast agent-aided magnetic resonance angiography data acquisition technique;
- a memory, accessible by said control unit, representing k-space, said control unit entering said first magnetic resonance data into said memory as first k-space data and entering said second magnetic resonance data into said memory as second k-space data;
- and
- an image reconstruction computer having access to said memory that reconstructs an angiographic image of said region using both said first k-space data and said second k-space data.
Dependencies are inferred from the claim text.