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- W2004245087 abstract "MR digital subtraction angiography (DSA) visualizes intracranial vasculature using a rapid T1-weighted sequence and a bolus injection of gadolinium. Although two-dimensional sequences are most frequently used, we applied a three-dimensional technique in combination with a fast method of k-space filling to improve both the temporal and spatial resolutions. In this preliminary study, we assessed the feasibility of using this technique for the diagnosis of brain tumors in 21 patients by reviewing the obtained images and, in 10 patients, comparing the images with conventional angiograms. MR DSA visualized a tumor stain in 11 patients, a tumor mass effect in 9, and tumor-related vessels in 5. In 9 of the 10 patients for whom conventional angiograms were available, the two kinds of angiograms corresponded well. Three-dimensional MR DSA using our technique is a useful adjunct to conventional MR imaging for the visualization of tumor hemodynamics and, in some cases, tumor-related vessels and mass effects." @default.
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- W2004245087 date "2004-02-01" @default.
- W2004245087 modified "2023-09-26" @default.
- W2004245087 title "MR digital subtraction angiography with three-dimensional data acquisition in the diagnosis of brain tumors: preliminary experience" @default.
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- W2004245087 doi "https://doi.org/10.1016/j.mri.2003.07.008" @default.
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