Prostate
Biopsy
A prostate biopsy is a procedure which is utilized to remove
samples from the tissue in the prostate gland for the purpose
examination in order to make a determination regarding a number
of prostate problems. In a transrectal prostate biopsy a needle
is inserted through the rectum, through the urethra. A prostate
biopsy may also be performed by inserting the needle through the
area located between the anus and the scrotum, known as the perineum.
The transrectal prostate biopsy is the most commonly used technique.
Once the tissue samples have been obtained, they are examined
through a microscope to observe the presence of cancer cells.
Many times a prostate biopsy may be needed if a blood test known
as a PSA has indicated that there is a high level of a particular
protein present. The high level of this protein may indicate the
presence of cancer. A prostate biopsy may also be performed when
a digital rectal exam indicates that there is a lump or an enlarged
prostate present.
If there is a lump or a high level of PSA, the doctor will want
to determine whether there may be cancer present as a result.
The most important things to keep in mind before a prostate biopsy
is to inform your doctor if you have any allergies, including
allergic reactions to latex, anesthetics or any other type of
medication. You should also let your doctor know if you are taking
any other types of medications or antibiotics as this can interfere
with anesthesia. Due to the fact that there may be some bleeding
present during the prostate biopsy, patients should especially
inform their doctor if they are taking any anticoagulants. As
aspirin is considered to be a blood thinner, patients should also
inform their doctor if they take aspirin on a regular basis. Finally,
the doctor will need to be aware if patients have a tendency to
bleed easily.
If the doctor plans to do a transrectal prostate biopsy, they
will usually order an enema the night before the test. Patients
may also be required not to drink any fluids at least 12 hours
before the prostate biopsy.
It is quite common for patients to receive a sedative that will
help them relax during the prostate biopsy procedure. Antibiotics
are also commonly used to reduce the risk of infection. Depending
on how the doctor intends to perform the prostate biopsy, the
patient may be asked to lie on their side, stomach or on their
back with their feet in stirrups. A kneeling position may also
be requested. A prostate biopsy usually does not take very long
and patients are surprised that it can be accomplished so quickly.
A transurethral prostate biopsy is performed a little differently
and most patients are requested to lie on their back with their
feet in stirrups for this procedure. A general anesthetic is usually
used to numb the area where the needle will be inserted. In this
type of prostate biopsy a lighted scope is frequently used and
will be inserted in the urethra. This lighted scope allows the
doctor to see the prostate gland. A special instrument is then
inserted into the scope and allows the doctor to cut small pieces
of tissue from the prostate gland. This procedure is also fairly
quick and rarely lasts longer than 45 minutes.
The least commonly performed prostate biopsy is the transperineal
biopsy. In this type of procedure the surrounding area will be
cleaned and a local anesthetic is used. If the patient requests
it, general anesthetic may also be used. The doctor will make
an incision in the perineum, insert a finger into the rectum and
then insert the needle into the prostate gland. Bandages may be
used to quell the bleeding from the incision. This type of prostate
biopsy normally lasts anywhere from between 15 to 30 minutes.
With all three types of prostate biopsy, the patient will usually
be asked to refrain from vigorous activity for at least several
hours. For a few days following the procedure, the patient may
have some mild discomfort and may need to take a mild pain pill.
The patient may also notice a slight amount of blood in their
urine or semen, even up to one month following the prostate biopsy.
Although this is quite normal, the patient should report immediately
to their doctor if they experience any persistent bleeding, increase
in pain, a fever higher than 100 degrees or if they are unable
to urinate within 8 hours following the prostate biopsy.
As with any medical procedure there are risks related to a prostate
biopsy. Although they are slight risks, the patient should still
understand that there is a risk for an infection. An infection
risk is much more common if the patient has undiagnosed prostatitis.
In most cases antibiotic medication used during the prostate biopsy
procedure will keep an infection at bay. There is also the chance
of bleeding into either the urethra or bladder. A hemotoma, also
known as a blood blister, may occur which will cause the patient
to be unable to urinate. Although most patients who undergo a
transrectal prostate biopsy experience some bleeding for a day
or two following the procedure, there is a risk for persistent
bleeding.
One of the most difficult parts following a prostate biopsy is
waiting for the test results, which may take up to 10 days. The
results of the prostate biopsy will be presented as either normal
or abnormal. If the results are abnormal, they may indicate there
was either cancer cells present or that it appeared there was
an enlargement of the prostate gland present. While most prostate
biopsy tests are accurate, if there was not enough tissue collected,
it may be possible that the test results are inconclusive. If
this is the case, the doctor may need to order additional tests
such as a bone scan, blood test or CT scan. Many men are reluctant
to undergo a prostate biopsy because of rumors that it interferes
with a man's ability to achieve an erection or will cause a man
to become infertile. Neither of these are true and it is imperative
that man who experiences any symptoms related to prostate disorders
have a prostate check and biopsy, if needed, immediately.
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