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Risks of Skin Cancer Screening
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Screening tests have risks.
Decisions about screening tests can be difficult. Not all screening tests are helpful and most have risks. Before having any screening test, you may
want to discuss the test with your doctor. It is important to know the risks of
the test and whether it has been proven to reduce the risk of dying from cancer.
The risks of melanoma screening tests include the following:
Finding melanoma may not improve health or help a person live
longer.
Screening
may not improve your health or help you live longer if you have advanced melanoma or if it has already spread to
other places in your body.
Some cancers never cause symptoms or become life-threatening, but if found by a screening
test, the cancer may be treated. It is not known if treatment of these cancers would help you live longer than if no treatment were given, and treatments for cancer may have serious side effects.
False-negative test results can occur.
Screening test results may appear to be normal even though melanoma is
present. A person who receives a false-negative test result (one that
shows there is no cancer when there really is) may delay seeking medical care even if there are symptoms.
False-positive test results can occur.
Screening test results may appear to be abnormal even though no
cancer is present. A false-positive test result (one that shows there is cancer when there really isn't) can cause anxiety and is usually followed by more tests (such as
a biopsy), which also have risks.
A biopsy may cause scarring.
When a skin biopsy is done, the doctor will try to leave the
smallest scar possible, but there is a risk of scarring and infection.
Your doctor can advise you about your risk for skin cancer and your need for screening tests.
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