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No: The two syndromes have some similar features, but they are different syndromes that are unrelated. Klinefelter syndrome is caused by ahaving at least one extra x chromosome in a person who has a y chromosome (normal male=46 xy, klinefelter=47xxy). Typical Marfan syndrome is caused by a mutation in fbn1, coding for fibrillin-1. ...Read moreSee 1 more doctor answer
Superficially: Both tend to make the person tall and slender. Neither causes the other. ...Read more
Klinefelter: Klinefelter syndrome is a chromosomal abnormality in which a male has an extra x-chromosome in his cells. This usually leads to tall stature, wide hips, gynecomastiathis ie breast tissue, low testosterone, small penis size, small testicles, some learning issues. There is a klinefelter syndrome society website full of info. Kss. Org check it out. ...Read moreSee 2 more doctor answers
Klinefelters: Most of the time these men have difficulty having children to do low sperm counts. Some klinefelter men are mosaics meaning only a percentage of their cells are abnormal with an extra x chromosome. These men may have an easier time. One should consult a geneticist before considering children as they are at high risk of having babies with sex-chromosome abnormalities. ...Read more
Yes: Klinefelter syndrome is the presence of an extra x chromosome in a male (xxy instead of xy). ...Read more
XXY: IT IS THE EXTRA X chromosome in cells that lead the clinical characteristics of KS ...Read more
What to do if I am 19 years of age male I have little gynecomastia does that mean I have klinefelter syndrome?
Chromosomal disorder: Klinefelter syndrome is also known as XXY condition. Men with this condtion have an extra x chromosome in most of their cells. Not all men with the condition have all of the symptoms described by klinefelter and many are not even aware that they have the condition. 1 in 500 men are xxy. During puberty, most males with the condition are taller with less muscular bodies and less facial hair. ...Read more
I am in 15 my testicles size is 5Cmx2.5Cmx2.5Cm as length X width X height. Is that size denies that I have klinefelter syndrome?
Why do you ask?: Klinefelter is a spectrum, but that's actually a pretty big pair -- you're bigger than most of your male buddies. I have trouble believing these measurements unless you actually have Fragile X! If you're getting erections and ejaculations like the other guys, XXY is unlikely and your physician can check to see if you're producing sperms if you can give him a reason. Enjoy becoming a man. ...Read moreSee 1 more doctor answer