What are the risks of fat grafting for penile enlargement?

Fat grafting is the most common, and the most notorious, of the penile augmentation procedures. It can result in disasters such as loss of the penis if fat is injected into blood vessels or if infection occurs. When the augmentation does work, the result is temporary. Complications such as nodules in the penis, skin deformity, and scarring and loss of normal contour are common. The injected fat is extremely fragile and needs to remain fairly motionless in order for blood vessels to grow into the tissue. If they don't grow in three days, the fat will die and be absorbed by the body. If the fat is disturbed during the first three weeks, it will lose its new blood supply and be resorbed. The penis cannot stay motionless when urinating and when erections develop. Virtually by definition, fat grafting into the penis is doomed to fail.