Videos : Abdomen: Liver

 

Kidney and liver: 3D reconstructions demonstrate a solitary right kidney with a perfusion abnormality seen on the arterial phase imaging of the liver, which is better seen on the venous phase imaging and is consistent with a venous malformation.
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AV malformation: The patient has evidence of a hypervascular lesion in the dome of the liver with perfusion changes associated with it. This was an AV malformation nicely defined, particularly in the 3D map.
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Liver AV Malformation: A combination of axial, multi-planar and 3D reconstructions demonstrates evidence of an AV malformation in the left lobe of the liver.
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Liver mass: A series of axial and 3D views show a mass in the left lobe of the liver with parenchymal flow changes. The display nicely shows the increased vascularity within the left lobe and perfusion changes in this patient with an underlying mass.
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Cavernous Hemangioma of the Liver- This is a classic example of the giant cavernous hemangioma, which means a lesion over 5 cm. On 2D and 3D imaging, the peripheral puddling of the lesion in a cloud-like configuration is nicely defined. As we scan with later phase imaging, the lesion begins to fill in over time in a peripheral disential pattern most consistent with giant cavernous hemangioma of the liver.
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Hemangioma of the Liver - 2D and 3D mapping demonstrated classic lesion in the right lobe liver in the 2 cm range which represents a cavernous hemangioma of the liver. The early enhancements of the periphery of the lesion with puddling and then central filling in of the lesion from peripheral to central pattern is classic. Please note that this case uses axials, multi-planar and 3D maps.
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Hemangioma of the Liver- CT demonstrates a hemangioma of the liver, which has a bit of an unusual appearance early phase imaging because of the fatty infiltration of the liver seen. At times, hemangiomas, in the presence of fat, will appear to be of higher intenuation than the baseline liver and the key to diagnosis of course, is to recognize the peripheral enhancement with patchy puddling or cloudy appearance. This case is an excellent example of cavernous hemangioma of the liver shown on 3D and multiplanar reconstructions with a classic lesion with peripheral enhancement, best seen on later phase images.
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Hepatic AV Malformation: In this patient, with a number of findings, there is an AV malformation with a very nice demonstration of draining vein and prominent artery. This is defined in multiple renderings.
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CT Angiography demonstrates an AV malformation in the dome of the liver with excellent demonstration of 3D mapping of the feeding and draining vessels.
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CT Angiography with 3D Mapping demonstrates an AVM in the liver with flow related changes.
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3D Mapping with a range of rendering techniques demonstrates an AVM in the left lobe of the liver.
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Focal Nodular Hyperplasia: Hypervascular Lesion of the feeding vessel seen through a range of reconstruction algorithms.
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Focal Nodular Hyperplasia: A series of images and coronal and with various 3D mappings demonstrates nicely the central scar as well as feeding vessel and early draining veins. This is a classic case
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Focal Nodular Hyperplasia: Large Vascular Lesion with Feeding Vessels is seen through a sequence of images and different reconstruction algorithms.
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Focal Nodular Hyperplasia: CT Angiography demonstrated the characteristic feeding vessel in FNH, as well as its appearance in a range of imaging techniques.
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Focal Nodular Hyperplasia: This is an example of focal nodular hyperplasia visualized in a series of different rending techniques, from axial through coronal, through volume rendering.
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Liver AVM: 3-D mapping demonstrates a vascular lesion in the dome of the liver with the perfusion changes next to it. On the 3D map, the lesion has a cluster appearance consistent with an AV malformation.
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Carcinoid tumor: Carcinoid tumor in left lobe of liver invades the splenic vein
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Sequence of images in 3D using both VRT and MIP defines the invasiveness of the tumor and the extensive collaterals in the gastric fundus and epiploic vessels

Hepatic veins: 3D mapping using volume rendering and MIP demonstrates definition of hepatic venous anatomy. The use of multiple image plains as well as adjusting between volume rendering and MIP plus clear visualization of the entire hepatic venous anatomy. This is a normal study but this information is useful in this patient who is a potential liver donor
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VRT

Cirrhosis
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Cirrhosis with large varices. The portal vein is patent.
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3D: Volume rendering of a cirrhotic liver with collaterals through a dilated umbilical vein.
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MIP: Maximum intensity projection of a cirrhotic liver with collaterals through a dilated umbilical vein.
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Axial: Axial images of a cirrhotic liver with collaterals through a dilated umbilical vein.

 

All images on this site are © 2006 Elliot K. Fishman,MD.