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Staging
To plan your treatment, your doctor needs to know the extent
(stage)
of the
disease. The stage is based on the size of the tumor, whether the cancer has
spread outside the prostate and, if so, where it has spread.
You may have blood tests to see if the cancer has spread. Some men also may
need
imaging
tests:
-
Bone scan:
The doctor injects a small amount of a
radioactive
substance
into a blood vessel. It travels through the bloodstream and collects in the
bones. A machine called a scanner detects and measures the radiation. The
scanner makes pictures of the bones on a computer screen or on film. The
pictures may show cancer that has spread to the bones.
-
CT scan:
An
x-ray
machine linked to a computer takes a series of
detailed pictures of areas inside your body. Doctors often use CT scans to see
the
pelvis
or
abdomen.
-
MRI:
A strong magnet linked to a computer is used to make detailed
pictures of areas inside your body.
These are the stages of prostate cancer:
-
Stage I: The cancer cannot be felt during a digital rectal exam. It is
found by chance when surgery is done for another reason, usually for BPH. The
cancer is only in the prostate.
-
Stage II: The cancer is more advanced, but it has not spread outside the
prostate.
-
Stage III: The cancer has spread outside the prostate. It may be in the
seminal vesicles.
It has not spread to the lymph nodes.
-
Stage IV: The cancer may be in nearby muscles and organs (beyond the
seminal vesicles). It may have spread to the lymph nodes. It may have spread to
other parts of the body.
-
Recurrent cancer
is cancer that has come back (recurred) after a time when it
could not be detected. It may recur in or near the prostate. Or it may recur in
any other part of the body, such as the bones.
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