Table 1 Summary of published cases of donor cell-derived hematological malignancies after CBT

From: Donor cell-derived myelodysplastic syndrome after cord blood transplantation

Author (reference no.)

Age/ sex

Conditioning regimen

GVHD prophylaxis

Disease at CBT

Duration

Donor cell-derived disease

Chromosomal abnormalities of donor cell-derived disease

Methods used to diagnose donor origin

Outcome

Matsunaga et al.3

57/F

Flu+ATG+mPSL

FK506+mPSL

ATL

256 days

AML

add(19)

FISH, STR

Death of DCL

Fraser et al.4

1/M

BU+CY+VP-16+ATG

CsA+mPSL

Langerhan's cell histiocytosis

40 months

AML

der(7)t(1;7)

G-banding, VNTR

Death of DCL

Ando et al.5

32/F

TBI+Ara-C+CY

CsA+MTX

AML

11 months

AML

Normal karyotype

STR

Death of TMA after second SCT

Sevilla et al.6

4/F

BU+CY+ATG+TT

CsA+PSL

AML

80 days

MDS

Monosomy 7

STR

Transient MDS

Mitsui et al.7

41/M

CY+TBI

CsA+MTX

ALL with t(9;22)

9 months

CMPD

t(7;11)

G-banding

Free of disease after second SCT

Inoue et al.8

32/F

Myeloablative regimen including TBI12Gy

CsA+MTX

AML with t(8;21)

15 months

AML

NA

FISH

NA

Hamaki et al.9

31/M

Flu+BU+TBI

CsA+MMF

Hodgkin's lymphoma

16 months

AML

11q23 abnormalities and monosomy 7

STR

Death of DCL

Our case (2008)

34/M

TBI+Ara-C+CY

CsA+MTX

ALL

10 months

MDS

del(6q) and monosomy 7

STR

Death of VOD after second SCT

  1. Abbreviations: ATG=antithymocyte globulin; ATL=adult T-cell leukemia/lymphoma; CBT=cord blood transplantation; CMPD=chronic myeloproliferative disease; DCL=donor-cell leukemia; F=female; FK506=tacrolimus; Flu=fludarabine; M=male; MDS=myelodysplastic syndrome; MMF=mycophenolate mofetil; mPSL=methylprednisolone; NA=information not available; PSL=prednisone; STR=short tandem repeats; TMA=thrombotic microangiopathy; TT=thiotepa; VNTR=variable number of tandem repeats; VOD=veno-occlusive disease; VP-16=etoposide.