A 14 year old boy whose school performance is below average, displays signs of insecurity, is distressed by his gynaecomastia. On physical examination he is on 95th percentile for height age, his extremities are longer than expected. He has Tanner Stage I sexual development with small gonads. What is the diagnosis- A. Marfans Syndrome B. Klinefelters Syndrome C. Acromegaly D. Cushings Syndrome
Klinefelters.... typically with 47XXY karyotype... Could be more X's and that's associated with increased levels of mental retardation.