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Marfan syndrome (MFS) is a multi-systemic genetic disorder that affects the connective tissue. [ 6 ] [ 7 ] [ 1 ] Those with the condition tend to be tall and thin, with long arms, legs , fingers, and toes . [ 1 ]
Individuals with Marfan Syndrome usually have fingers that are longer than those that do not have the syndrome. The extremity of difference in finger length is a result of variable expressivity. Some common syndromes that involved phenotypic variability due to expressivity include: Marfan syndrome, Van der Woude Syndrome, and neurofibromatosis.
A genetic disorder is a health problem caused by one or more abnormalities in the genome. ... Marfan syndrome: 1 in 4,000 [14] Huntington's disease: 1 in 15,000 [15]
2 Genetics. 3 Diagnosis. 4 Treatment. 5 ... There is an association between familial thoracic aortic aneurysm and Marfan syndrome as well as other hereditary ...
It remains unconfirmed whether composer Sergei Rachmaninoff's abnormally large reach on a piano was a result of arachnodactyly due to Marfan syndrome, as the pianist exhibited no other signs of the disease. [6]
Prader-Willi syndrome is caused by the loss of active genes in a specific part of chromosome 15, the 15q11-q13 region. People normally have two copies of this chromosome in each cell, one copy from each parent. Prader–Willi syndrome occurs when the paternal copy is partly or entirely missing.
A number of genetic conditions are associated with heart defects, including Down syndrome, Turner syndrome, and Marfan syndrome. [3] Congenital heart defects are divided into two main groups: cyanotic heart defects and non-cyanotic heart defects, depending on whether the child has the potential to turn bluish in color. [3]
Congenital contractural arachnodactyly (CCA), also known as Beals–Hecht syndrome, is a rare autosomal dominant congenital connective tissue disorder. [1] As with Marfan syndrome, people with CCA typically have an arm span that is greater than their height and very long fingers and toes. [2]