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| Type
B dissection with compression of true lumen. This study
is an excellent example of a dissection involving the descending
thoracic aorta where the true lumen is compressed by the
false lumen. The patient also has evidence of decreased
left ventricular function but has patent coronary arteries.
This is shown in a sequence of five different perspectives
using different rendering techniques. |
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| This
is a terrific example of azygos continuation of the IVC
with duplication of the IVC just above the level of the
renal veins and extending down into the iliac vessels. This
is the best example of this I have ever seen. |
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3D
mapping demonstrating endovascular imaging of the airway.
Please
note this patient also had coronary artery by-pass surgery.
Please note the location of the bypass graft in relationship
to the sternum.
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Nice example of encasement of the patient's brachial artery.
The patient is a dialysis candidate. |
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| This
study nicely shows the intercostal arteries using change
with the lighting tool to accentuate detail within the patient's
thoracic cavity. |
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Movie
#2 |
| Venous-to-venous
varix:
Volume rendering MIP and Multiplanar reconstructions
demonstrates a very unusual case. Notice the vascular abnormality
in the region of the right hilum. This was a venous-to-venous
varix. |
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#7 |
| Chest:
This case was done for evaluation of an aortic aneurysm.
The study was done on a 64 slice scanner using gated acquisition.
This allows us to not only clearly visualize the large aneurysm
of the ascending aorta and arch with ulceration, but also
to look at the root of the aorta and to visualize the coronary
arteries. Please note that there is a series of videos enclosed
which include a range of volume rendered images to show
the advantage of cardiac gating. Also, some of the images
are done with 4 dimensional reconstruction. Once data is
acquired with gating, 4 dimensional reconstruction is, indeed,
possible. |
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: #1 |
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#2 |
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#6 |
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Movie:
#8 |
| Chest:
This study is a gated acquisition of a patient with
a type A dissection. Note that on the 4D images the importance
of the cardiac motion, as well as visualization of the flap
is clearly defined. Gating may become the standard for evaluation
of the ascending aorta because it allows us to not only
see the ascending aorta, which one can visualize fairly
well on axial imaging, but also define a stent of the section
as it relates to coronary arteries and aortic valve. |
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: #1 |
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#2 |
| Chest:
Detailed mapping of pulmonary vascularity. Note the
incredible detail at the lung periphery. |
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: #1 |
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Movie:
#2 |
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#3 |
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Movie:
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| BAC:
3D mapping demonstrates nicely the fissures of the lung
and demonstrates a ground glass lesion in the right superior
segment of the right lower lung consistent with a bronchoalveolar
cell carcinoma. |
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Lung
movie : #1 |
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Lung
movie: #2 |
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Lung
movie: #3 |
| PE:
3D mapping as well as multiplanar reconstruction of
a pulmonary angiographic study demonstrating no evidence
of pulmonary embolism. |
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PE
axial |
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PE
coronal |
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PE
MIP |
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PE
VRT |
| PE:
3D mapping and multiple planes and orientations demonstrates
multiple bilateral pulmonary emboli as well as pulmonary
infarcts. |
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PE:
axial |
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PE:
coronal |
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PE:
VRT #1 |
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PE:
VRT #2 |
| Aortic
Stent Graft: 3D imaging of a vascular stent in satisfactory
position. CT is very good for looking at stent placement
and detecting complications. |
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Aortic
Stent Graft: #1 |
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Aortic
Stent Graft: #2 |
| Other
Chest Videos |
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Sarcoidosis:
The study demonstrates air space nodules as well as hilar
adenopathy. |
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Normal
lung vasculature: The study demonstrates air space nodules
as well as hilar adenopathy. Normal pulmonary vasculature
shown in MIP and VRT mode. Note the extensive cartilage
calcification |
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