genetic testing

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Conditions (87)
Prenatal testing for genetic problems may be done before or after conception. Testing for spina bifida or Down syndrome is done after a pregnancy is established. Besides the couples listed above, counseling and diagnosis are also recommended for mothers over the age of 35, and those who have received abnormal screening test results, such as alpha-fetoprotein (AFP). For more information about the alpha-fetoprotein test, and when and why you might have it, see alpha-fetoprotein. For those who may be at risk, genetic counseling and prenatal diagnosis are used to help answer some important questions
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Answers

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Dr. Scott McLean answered:

Who needs APC genetic testing?

Polyposis folks

Open-uri20120606-26927-bry4n8
Familial adenomatous polyposis (FAP), Gardner syndrome, Turcot syndrome, and Attenuated FAP are caused by mutations of the APC gene. Teens and adults with these conditions develop dozens to thousands of polyps in their colons. Without surgery, their risk for colon cancer may be quite high. APC testing can help to confirm the diagnosis and clarify your options - surgical and otherwise.
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1 Answers

Can genetic testing ever be wrong?

Sure

Dna
Genetic testing can be wrong due to many possible problems: mixed up specimens from someone else; degraded DNA that can't be analyzed; lab errors in procedures; errors in reporting the results. You should always check on the lab and go over the diagnoses with a physician who knows you and as appropriate with a genetic counselor. A lot of this testing is highly automated, but can still have error
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How much does genetic testing cost?

Depends

Genetic
It really depends. If your affected family member(s) have already had detailed testing, testing for you can cost just a few hundred dollars, depending on what kind of syndrome. If you are "fishing" for a diagnosis, this can costs many thousands of dollars. Generally genetic tests should be done only if there is a specific question that you and your doctor are trying to answer.
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Can you tell me is genetic testing a waste?

Depends on situation

Genetic
Some genetic tests are detailed, specific and allow you to know what to expect from the patient in the future. Chromosome studies, FISH probes for diagnostic markers, etc provide information early that allows early detection and treatment of silent problems.Other studies are less specific and only suggest an increased risk for some condition.Value is in the eye of the person seeking information.
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Dr. Johanna Fricke answered:

What is the best clinic for genetic testing?

One with a board-

Genetic
certified geneticist who will examine the patient & determine what genetic tests need to be ordered. Referral by a primary care physician is needed, as well as all medical, educational & therapeutic records + a 3-generation family history of medical & psychiatric disorders. For information & support, contact http://www.geneticalliance.org.
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Is brca genetic testing a simple blood test?

Easy but expensive

Blood
Testing for mutations in the BRCA1 gene is relatively easy; yes, the DNA can come from white blood cells from a blood sample. However as of now this remains a fairly expensive test; the new Supreme Court decision voiding the patent on the gene will probably lead to lower costs through competition but I don't think this has happened much yet.
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Dr. Gurmukh Singh answered:

Can parkinsons disease have genetic testing?

Clinical diagnosis

Genetic
Parkinson disease may have genetic basis, but the diagnosis is usually made based on signs and symptoms. See this site for genetic basis of the disease. http://www.ncbi.nlm.nih.gov/pubmed/15503301
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Dr. Sean T. Canale answered:

Who should get Breast cancer genetic testing?

Start w/affected pt

Cancer
Pesonal and family risk factors assoc w/BRCA mutation: muliple fam members, bil breast cancer, male breast cancer, ovarian cancer, ashkenazi jewish heritage (specific founder mutations), diagnosis age <50 (dx age < 60 if ER/PR/Her2 - or triple negative). Both maternal and paternal history is important
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Dr. MAZIN ABDULLAH answered:

To what extent is genetic testing successful?

Rephrase

Genetic
what do you mean by successful? accuracy of genetic testing? are you talking about genetic testing of an embryo? genetic testing of an adult? What type of genetic testing? Please re-write question and we can give you a more accurate answer.
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Dr. Gurmukh Singh answered:

What genetic testing can be done for epilepsy?

Complicated issue

Genetic_testing
Genetic testing for epilepsy has not reached main stream and is in part at the experimental stage. See this site for information and consult a neurologist at a major medical school. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3152152/
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