Case Report

Persistent Mixed Donor Chimerism following Double Umbilical Cord Transplantation in a Patient with T-Cell Prolymphocytic Leukemia

Table 1

Postengraftment analysis following double UCB transplantation, prior to relapse.

Time post-UCB transplantDonor 1 (female) (%)Donor 2 (male) (%)

Day +35Whole blood4840
T-cell subset>90<10
Day +141Whole blood6830
T-cell subset6717
Day +251Whole blood7027
T-cell subset5623
12 monthsWhole blood7221
T-cell subset4944
21 monthsWhole blood955
T-cell subset7913