1. I believe content to this extent was bounced from the Klinefelter syndrome article. 2. Other risk factors include inguinal hernias, Klinefelter syndrome , and mumps orchitis. 3. Diagnoses include testicular feminization, cliteromegaly, micropenis, Klinefelter syndrome and adrenal hyperplasia. 4. See Klinefelter syndrome for description of the most common anomaly. 5. This definition excludes Klinefelter syndrome and many other variations. 6. Klinefelter syndrome , a Y chromosome microdeletion, or cystic fibrosis.7. There is relevant discussion on Talk : Klinefelter syndrome . 8. Mosaicism 47, XXY / 46, XX with clinical features suggestive of Klinefelter syndrome is very rare. 9. Other possibilities include chromosomal disorders such as Down syndrome, Klinefelter syndrome , XYY syndrome and fragile X syndrome. 10. Males with Klinefelter syndrome have a 50 times greater risk of germ cell tumors ( GSTs ).