"The Klinefelter Syndrome: Current Management and Research Challenges"—From the scientific journal, Andrology, this article summarizes the concluding “Round Table Discussion” of the 2nd International Workshop on the Klinefelter Syndrome in Munster, Germany, March, 2016. Topics include syndrome characteristics, centers of competence for diagnosis and treatment, counseling, support groups, early screening, fertility, testosterone treatment, and basic [...]
Attention-Deficit Hyperactivity Disorder Symptoms in Children and Adolescents with Sex Chromosome Aneuploidy: XXY, XXX, XYY, and XXYY Tartaglia, Nicole R. MD; Ayari, Natalie BA; Hutaff-Lee, Christa PhD; Boada, Richard PhD Link to article: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3348431/pdf/nihms363084.pdf Please share this article with your healthcare providers and with other professionals (therapists, school support staff and administrators, etc.).
Tartaglia, Ayari, Howell, D'Epagnier, Zeitler ePublished: April 9, 2011 ABSTRACT Sex chromosome tetrasomy and pentasomy conditions occur in 1:18,000-1:100,000 male births. While often compared with 47,XXY/Klinefelter syndrome because of shared features including tall stature and hypergonadotropic hypogonadism, 48,XXYY, 48,XXXY and 49,XXXXY syndromes are associated with additional physical findings, congenital malformations, medical problems and psychological features. [...]
www.rarechromo.org copyright: Unique 2014 Approximately one boy in 1000 has XYY chromosomes. In the cells of their body, instead of 46 chromosomes including one X and one Y chromosome, they have one X and two Y chromosomes, making 47 in all. The impact of the extra Y chromosome is extremely variable. The great majority of [...]