Twelve cases 44% occu- rred within the first month after transplantation; six cases 22.2% occurred between the first and third month after transplantation and 9 cases 33.3% occurred after the third month of transplantation.
En 12 casos 44% se presentaron dentro del primer mes postrasplante; 6 casos 22,2% el primer y tercer mes postrasplante y 9 casos 33,3% después del tercer mes postrasplante.