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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. |
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