Method for performing magnetic resonance angiography over a larg

Details Method for performing magnetic resonance angiography over a larg Method for performing magnetic resonance angiography over a larg

1997-09-05

1999-07-27

Lateef, Marvin M.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600415, 324306, A61B 5055

Patent

active

059281480

ABSTRACT:
MRA data is acquired from a large region of interest by translating the patient to successive stations at which successive portions of the MRA data set are acquired. Patient movement is chosen to track a bolus of contrast agent as it passes through the region of interest to achieve maximum image contrast. In one embodiment a stationary local coil is supported adjacent the patient to acquire the MRA data and in another embodiment a multi-segment local coil moves with the patient and its segments are sequentially switched into operation.

REFERENCES:
Time-Resolved Contrast-Enhanced 3D MR Angiography, MRM 36:345-351 (1996), Korosec, et al.
Gadolinium-enhanced MR AortographyRadiology 1994; 191:155-164, M.R. Prince, MD, PHD.
Dynamic MR Digital Subtraction Angiography Using Contrast Enhancement, Fast Data Acquisition, and Complex Subtraction, MRM 36:551-556 (1996), Wang, et al.
Abstract Presented Apr. 15, 1997 at 5th Annual meeting of ISMRM, K.Y. Ho, et al.

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