| 摘要 |
A method is for determining regions of a body part that are undersupplied owing to a vessel closure, in which a three-dimensional image data record of the body part is compiled with the aid of a tomograph. Vessels of the body part are segmented from the image data record, at least one vessel closure is localized in the segmented vessels, and the region of the body part that is undersupplied owing to the localized vessel closure is determined in the image data record. Further, a residual opening cross section is determined at the localized vessel closure as a ratio of the total cross section of the vessel, and the ratio or a value derived therefrom is visualized. The method permits a more accurate statement on the effects of a vessel closure.
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