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 transplant | | Donor 1 (female) (%) | Donor 2 (male) (%) |
| Day +35 | Whole blood | 48 | 40 | T-cell subset | >90 | <10 | Day +141 | Whole blood | 68 | 30 | T-cell subset | 67 | 17 | Day +251 | Whole blood | 70 | 27 | T-cell subset | 56 | 23 | 12 months | Whole blood | 72 | 21 | T-cell subset | 49 | 44 | 21 months | Whole blood | 95 | 5 | T-cell subset | 79 | 13 |
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