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Insights into Imaging
Fig. 10 | Insights into Imaging

Fig. 10

From: Spectral CT of the abdomen: Where are we now?

Fig. 10

A 40-year-old man with upper gastrointestinal bleeding who underwent multiphasic CT for localization. Conventional images show contrast extravasation in the duodenal bulb (arrows) on the arterial (a) and venous (c) phases. The extravasation is more conspicuous using 50 keV mono-energetic images on both the arterial (b) and venous (d) phases. The focus of active bleeding is proven on digital subtraction angiography (e)

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