An MRI has an advanced sensitivity
in its contrast. It is able to create an image that is very detailed with
relation to tissue and bone. You can actually visualize bruising and inflammation.
It can even identify torn muscle. An MRI and CT often work together to
identify appropriate treatment.
Pictured below is a complete
MRI scan of the spine. The last image in the series shows all of the "slices"
brought together to visualize the spine. The images before it are snapshots
of thin slices of the spinal column.
Click on the image to
view a larger version.
CT Scans
Click on the image to
view a larger version.
A CT scan is extremely useful
in pin-pointing a particular spot in the body because of its great contrast
capability. It is ideal for locating stress fractures, identifying the
area yet to heal, etc. Spatially it is amazingly accurate. In fact, it
is often used to triangulate the very spot that surgery is necessary.
Pictured here is a CT scan
of the heel of the foot.
X-rays
 
Though the x-ray may not
be as "high-tech" or advanced as the MRI or CT scans, it is extremely useful
in visualizing bones and joints, and is still standard in visualizing many
orthopedic problems and conditions.
On the left, you can clearly
see the image of the hand, including the bones of the fingers, hand, and
part of the wrist. On the right,
you can see the foot and it's bony structure.
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