Results of molecular (DXYS233, PABX, DXS996, DXS1118E, DXS6837, DXS1139, DXS6834, DXS1130, DXS237, DXS278, and DXS987) and FISH (XYqtel, XYptel, STS and KAL1) analyses undertaken to determine the location of the Xp breakpoint in our patient