Presentation slides from the 2017 AXYS Family Conference presentation: Thinking About Starting Testosterone for XXY/XXYY/XXXY (PDF) Presented by Shanlee Davis, MD, MSCS
The term Klinefelter syndrome (KS) describes a group of chromosomal disorder in which there is at least one extra X chromosome to [...]
Attention-Deficit Hyperactivity Disorder Symptoms in Children and Adolescents with Sex Chromosome Aneuploidy: XXY, XXX, XYY, and XXYY Tartaglia, Nicole R. MD; Ayari, [...]
47,XXY/Klinefelter syndrome is the most common sex chromosomal aneuploidy, yet 64% of males with this condition go undiagnosed. 48,XXYY is less common [...]
Kate Yandell Published: June 13, 2014 References: 1.) van Rijn S. et al. Genes Brain Behav. Epub ahead of print (2014) 2.) Bishop D.V. [...]
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 [...]
ePublished: April 15, 2015 Alli P. Hanley, Jonathan D. Blumenthal, Nancy Raitano Lee, Eva H. Baker, Liv S. Clasen, Jay N. Gied ABSTRACT The phenotype of [...]
Read this scholarly article about the medical and psychological features of XXYY Syndrome.
Read the scholarly article regarding tremor in individuals with 48,XXYY Syndrome.