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| 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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| 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.
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