GVHD (Graft verses host desease) and VOD (veno occlusive disorder) BMT (Bone marrow transplant)

When you have a stems cell transplant or a BMT they wipe out your whole entire system with a very HIGH dose chemo for 2 weeks, and its to completly knock everything out of your system, so all your counts are 0. Your stuck on isolation for sevral months because you cant catch a virus or you will die. You can get an infection and die, you can get fungeses that attack one of your organs and have complications or die.

The reason they will do a BMT or stem cell transplant when you have cancer or other blood disorders after treatment has failed is because its really the only way to knock the cancer out of your body and then they hope it doesnt return after transplant.