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Doctor insights on: Marfan Affect My Children

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What are the chances for a man with Marfan syndrome to pass it on to his children?

What are the chances for a man with Marfan syndrome to pass it on to his children?

50% for each child: Marfan syndrome is caused by a mutation of the fbn1 gene on chromosome 15. An affected man (or woman) has one normal and one mutant fbn1 gene in each of his (or her) cells. For each of his children, the chance that he will pass on the mutation is 1/2 or 50%. This pattern of inheritance is called autosomal dominant. ...Read more

Dr. Scott McLean
327 doctors shared insights

Marfan Syndrome (Definition)

Marfan's syndrome is a genetic disorder caused by defects in a protein called fibrillin that, along with collagen, provides most of the structural support of our tissues. Individuals with Marfan's are often tall, lanky, have long arm spans, and are hyperflexible. The most serious complication of Marfan's is caused by defects in the wall of the aorta, the large blood vessel that leaves the heart and supplies the ...Read more


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My daugther is 7 year old n not to long ago i knew she got marfan's n i don't know what to do or waz going to happend im new on thiz..What is marfan's?

My daugther is 7 year old n not to long ago i knew she got marfan's n i don't know what to do or waz going to happend im new on thiz..What is marfan's?

Marfan.org: The marfan foundation has a wonderful website at www.Marfan.Org. There is a lot of information there to help families understand living with marfan syndrome. There is also an annual family conference. The next annual family conference is in july 2014 in baltimore. ...Read more

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What is Marfan syndrome?

Genetic disorder: Of connective tissue that affects many bodily systems.The national marfan foundation has a very nice website that will answer any questions you have about marfan syndrome. Go to www.Marfan.Org. ...Read more

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What is Marfan syndrome ?

Marfans/ehler danlos: Marfan syndrome is a connective tissue disorder, tissues that strengthen bodies structures. In most cases it is inherited condition, but approx 30% of patients have no family history tall arms and height, affects lungs, heart and aorta, eyes causing cataract, skin problems, and tissue covering the spinal chord. ...Read more

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What causes Marfan syndrome?

What causes Marfan syndrome?

Genetic mutation: Marfan syndrome is caused by a gene mutation (in the fbn1 gene). A mutation leads to defective, weakened connective tissue throughout the body. Symptoms show up in the parts of the body where shape and structural integrity relies a lot on the weakened type of connective tissue. ...Read more

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What exactly is Marfan syndrome?

What exactly is Marfan syndrome?

Genetic disorder: Fbn1 gene controls connective tissue metabolism. If there are mutations or repeats, then marfa's will result. The symptoms are the result of malformed collagen. So dislocated lens in eye, heart valve problems, scoliosis, pneumothorax, artery problems may occur. Most cases are inherited, but occasionally marfan's occurs from a spontaneous mutation. This gene can be tested for in a blood specimen. ...Read more

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How dangerous is Marfan syndrome?

How dangerous is Marfan syndrome?

Marfan syndrome: affects the body's connective tissue and can cause problems in the eyes, joints, and heart. Marfan syndrome has no cure, but doctors can provide symptomatic management. ...Read more

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Common symptoms of Marfan's syndrome?

Marfan Syndrome: There is significant variability in how marfan syndrome presents in people. Possibly symptoms include: tall height; long arms, legs, fingers & toes, heart murmur, curved spine, flat feet, nearsightedness & deformity of the breast bone. ...Read more