Tissue-selective magnetic resonance subtraction venography

Ted R. Jackson; John W. Snell; John C. Goble; E. R. Laws; Neal F. Kassell M.D.

doi:10.1117/12.208701

12 May 1995 Tissue-selective magnetic resonance subtraction venography

Ted R. Jackson, John W. Snell, John C. Goble, E. R. Laws, Neal F. Kassell M.D.

Proceedings Volume 2434, Medical Imaging 1995: Image Processing; (1995) https://doi.org/10.1117/12.208701
Event: Medical Imaging 1995, 1995, San Diego, CA, United States

Abstract

We have developed a procedure to image the major veins of the brain using three dimensional magnetic resonance imaging sequences. This procedure is based on the selective enhancement of blood vessels following intravenous administration of contrast media such as gadolinium. A simple substraction is performed between the post-contrast and pre-contrast MR images after correcting for overall intensity differences. The brain is segmented from the pre-contrast image volume. The resulting segmentation mask is dilated and used to extract the vessels of brain from the subtraction volume. The veins are reconstructed in three dimensions for visualization. The resulting tissue selective magnetic resonance venography is comparable to projection angiography for the larger veins. This procedure has been incorporated into a three dimensional stereotactic neurosurgical planning system.

Citation Download Citation

Ted R. Jackson, John W. Snell, John C. Goble, E. R. Laws, and Neal F. Kassell M.D. "Tissue-selective magnetic resonance subtraction venography", Proc. SPIE 2434, Medical Imaging 1995: Image Processing, (12 May 1995); https://doi.org/10.1117/12.208701

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