Table 1.

Cytogenetic abnormalities of MPAL by karyotyping, FISH, and genomic microarray studies

CasesSexAge, yWHO categoryT-lineage (0 = no, 1 = yes)MolecularNodal disease (0 = no)Cytogenetics, FISH, and array results (if available)
25 MPAL with t(v;11q23) MLL No cytogenetics tests done; FISH MLL rearrangements: nuc ish(MLLx2)(5′MLL sep 3′MLLx1)[240/300] 
4 mo MPAL with t(4;11) MLL 46,XX,t(4;11)(q21;q23)[20]; FISH: nuc ish(MLLx2)(5′MLL sep 3′MLLx1)[480/500] 
67 MPAL with t(4;11) MLL 47,XX,+X,t(4;11)(q21;q23)[20] 
FISH: nuc ish(MLLx2)(5′MLL sep 3′MLLx1)[270/300]; array: gain of X chromosome, low level gain of chromosomes 6 and 20; homozygous deletion of CDKN2A/B, partial deletion of both AFF1 and MLL loci 
29 MPAL with t(9;22) BCR-ABL1 46,XY,t(9;22)(q34.1;q11.2)[1]/46,idem,del(13)(q14),der(16)t(1;16)(q25;q24)[9]/46,XY[10]; FISH: nuc ish(TP73x2,ANGPTL1x3)[272/300], (ABL1,BCR)x3(ABL1 con BCRx2)[270/300],(D13S319x1,LAMP1x1)[240/300] 
55 MPAL with t(9;22) BCR-ABL1 46,XY,t(9;22)(q34.1;q11.2)[20]; FISH: nuc ish(ABL1,BCR)x3(ABL1 con BCRx2)[297/300]; array: deletion of EBF1 (5q33.2) and IKZF1 (7p12.1) 
60 MPAL with t(9;22) BCR-ABL1 46,XX,t(9;22)(q34.1;q11.2)[19]/46,idem,del(1)(p34p36),del(1)(q21q23),-3, add(10)(p13),11,+2mar[2]; FISH: nuc ish(TP73x1,ANGPLT1x2)[300],(ABL1,BCR)x3(ABL1 con CRx2)[282/300]; array: deletion of RUNX1 and ERG (21q22), and MYB (6q23.3) 
65 MPAL B/myeloid, NOS others 46,XX[20]; FISH: nuc ish(D3S1243,TERC,D3S1564)x2(D3S1243 con TERC con D3S1564x2)[300],(D5S23,EGR1,D7Z1,D7S486,D8Z2,MLL,D20S108)x2[300]; array: deletion of PIM1 (6p21.31); CN-LOH of 21q21.2-ter with RUNX1 and ERG 
11 MPAL B/myeloid, NOS NUP98-NSD1 46,XY,t(5;11)(q31;q21)c[20]; array: deletion of 4p15.2-15.32, minor gain of chromosome 12 
MPAL B/myeloid, NOS T(12;21) positive ETV6-RUNX1 46,XY,del(6)(q?23q?25),add(12)(p13)[12]/46,idem,add(4)(p?14)[4]/46,XY[4]; FISH: nuc ish(ETV6x2,RUNX1x3)(ETV6 con RUNX1x1)[20/300], (ETV6x2,RUNx2)(ETV6 con RUNX1x1)[250/300] 
10 51 MPAL B/myeloid, NOS SSBP2-JAK2 Chromosome analysis failed; FISH: nuc ish(ABL1,BCR)x2[300],(MLL)x2[300], (ETV6,RUNX1)x2[300] 
11 MPAL B/myeloid, NOS others 46,XY,?inv(11)(q22q23),der(16)t(1;16)(q21;q12); FISH: nuc ish(TP73x2,ANGPTL1x3)[165/300],(CBFBx1)[180/300]; array: gain of 1q and loss of 16q 
12 56 MPAL B/myeloid, NOS PHF6 46,XX,del(2)(p13p25),add(11)(p15)[6]/46,XX[12]; FISH: nuc ish(D5S23x2,EGR1x1)[6/300],(MLLx2)[300] 
13* 43 MAPL T/myeloid, NOS PHF6 Skin 46,XX,inv(9)(p11q13)c[20]; FISH: nuc ish(RUNX1T1,RUNX1)x2[300],(MLL)x2[300] 
14 24 MAPL, NOS PHF6 Neck nodes 46,XY[19] 
15 25 MAPL T/myeloid, NOS PHF6 Mediastinal lad 46,XY,del(13)(q14q32),del(16)(q?22) [9]/46,XY [6]; FISH: nuc ish(TP73x1,ANGPTL1x2)[132/300], (D13S319x1,LAMP1x2)[135/300] 
16 28 MPAL, NOS PHF6 Systemic lad 47,XY,+8,del(12)(p12)[8]/47,idem,del(9)(q34)[4]/46,XY[8]; FISH: nuc ish(D8Z2x3)[166/300],(ABL1x1,BCRx2)[202/300], (ETV6x1,RUNX1x2)[202/300]; array: +8; deletion of 9q3.3-34.12 with ABL1 and NUP214; deletion of 12p12.1-p13.2 with ETV6 
17* MPAL, NOS PHF6 Systemic lad 46,XY [20] 
18 69 MAPL T/myeloid, NOS DNMT3A Neck nodes Cytogenetic analysis not performed; FISH: nuc ish(D3S1243,TERC,D3S1564)x2(D3S1243 con TERC con D3S1564x2)[300],(DEK,NUP214,RUNX1T1,RUNX1,MLLCBFB)x2[300]; array: CN-LOH of 9p13.3 (PAX5), 10p12.21-pter (GATA3/MLLT10), and 13q (FLT3, RB), 14q32.11-qter, and 17q21.33-q24.2 
19 62 MAPL T/myeloid, NOS DNMT3A Neck nodes 46,XX[20]; nuc ish(D5S23,EGR1)x2[300],(D7Z1,D7S486)x2[300],(MLLx2)[300]; array: normal 
20 63 MAPL T/myeloid, NOS DNMT3A 46,XX,add(4)(p14)[6]/46,XX,dup(1)(q25q44)[1]/46,XX[14]; FISH: nuc ish(TP73,ANGPTL1)x2[300],(MLLx2)[300], (D3S1243,TERC,D3S1564)x2 (D3S1243 con TERC con D3S1564x2)[300]; array: deletion of 20p12.2 
21 59 MAPL T/myeloid, NOS DNMT3A Neck nodes 45,XY,der(12)t(12;18)(p?13;q?12),-18[20]; FISH: nuc ish (ETV6x1)[294/300]; array: CN-LOH of 2p23.3-pter including DNMT3A, ASXL2, ALK, MYCN, deletion of 12p11.22-pter including ETV6; deletion of 18p11.22-pter 
22 37 MAPL T/myeloid, NOS DNMT3A 45,XY,add(1)(p?22),der(3)t(1;3)(p22;q21),−9,add(10)(p11.2),del(11)(q23), del(12)(p11.2),add(14)(q32),i(17)(q10), der(18)t(9;18)(q13;q23)[cp18]/46,XY[2]; FISH: nuc ish(ABL1x1,BCRx2)[180/300],(ETV6x1,RUNX1x2)[283/300], (TP53,D17Z1)x1[23/300],(TP53x1,D17Z1x2)[262/300]; array: deletion of 18p11.23-pter, and 18q22.1-qter 
23 53 MAPL T/myeloid, NOS DNMT3A Neck nodes 46,XX[20]; FISH: nuc ish(D3S1243,TERC,D3S1564)x2(D3S1243 con TERC con D3S1564x2)[300],(ABL1,BCR)x2[300],(MLLx2)[300] 
24 63 MAPL T/myeloid, NOS WT1 46,XX[20]; FISH: negative for t(9;22), and MLL rearrangement 
25 15 MAPL T/myeloid, NOS WT1 46,XY,der(11)add(11)(p11.2)t(11;16)(q21;q22)[2]/46,XY[19]; FISH: nuc is(MLLx2)[300]; array: CN-LOH of 9p31 including CDKN2A/B 
26 63 MAPL T/myeloid, NOS others 46,XY,t(14;19)(q32;q13) [21]/46,XY [1]; FISH: nuc ish(CDKN2A,D9Z1)x2[500],(ABL1,BCR)x2[500],(TRADx2)[500], (IGHx2)[500]; array: normal 
27 17 MAPL T/myeloid, NOS ND 45∼47,XY,+Y,add(1)(q21),add(8)(q21),add(12)(p13),−12,+1∼2mar [cp16]; FISH: loss of ETV6 
28 12 MPAL with t(9;11) ND 46,XX,del(1)(q21),del(4)(p14p16),t(9;11)(p21;q23), −11, −13, −18, der(20)t(11;20)(q13;q11.1),+mar1,+mar2,+mar3[9]/46,XX[11]; FISH: nuc ish(MLLx2)(5′MLL sep 3′MLLx1)[60/300] 
29 42 MPAL B/myeloid, NOS ND 47,XY,del(8)(p22),+21 [17]/46,XY [3]; FISH: nuc ish(ETV6X2,RUNX1x3) 
CasesSexAge, yWHO categoryT-lineage (0 = no, 1 = yes)MolecularNodal disease (0 = no)Cytogenetics, FISH, and array results (if available)
25 MPAL with t(v;11q23) MLL No cytogenetics tests done; FISH MLL rearrangements: nuc ish(MLLx2)(5′MLL sep 3′MLLx1)[240/300] 
4 mo MPAL with t(4;11) MLL 46,XX,t(4;11)(q21;q23)[20]; FISH: nuc ish(MLLx2)(5′MLL sep 3′MLLx1)[480/500] 
67 MPAL with t(4;11) MLL 47,XX,+X,t(4;11)(q21;q23)[20] 
FISH: nuc ish(MLLx2)(5′MLL sep 3′MLLx1)[270/300]; array: gain of X chromosome, low level gain of chromosomes 6 and 20; homozygous deletion of CDKN2A/B, partial deletion of both AFF1 and MLL loci 
29 MPAL with t(9;22) BCR-ABL1 46,XY,t(9;22)(q34.1;q11.2)[1]/46,idem,del(13)(q14),der(16)t(1;16)(q25;q24)[9]/46,XY[10]; FISH: nuc ish(TP73x2,ANGPTL1x3)[272/300], (ABL1,BCR)x3(ABL1 con BCRx2)[270/300],(D13S319x1,LAMP1x1)[240/300] 
55 MPAL with t(9;22) BCR-ABL1 46,XY,t(9;22)(q34.1;q11.2)[20]; FISH: nuc ish(ABL1,BCR)x3(ABL1 con BCRx2)[297/300]; array: deletion of EBF1 (5q33.2) and IKZF1 (7p12.1) 
60 MPAL with t(9;22) BCR-ABL1 46,XX,t(9;22)(q34.1;q11.2)[19]/46,idem,del(1)(p34p36),del(1)(q21q23),-3, add(10)(p13),11,+2mar[2]; FISH: nuc ish(TP73x1,ANGPLT1x2)[300],(ABL1,BCR)x3(ABL1 con CRx2)[282/300]; array: deletion of RUNX1 and ERG (21q22), and MYB (6q23.3) 
65 MPAL B/myeloid, NOS others 46,XX[20]; FISH: nuc ish(D3S1243,TERC,D3S1564)x2(D3S1243 con TERC con D3S1564x2)[300],(D5S23,EGR1,D7Z1,D7S486,D8Z2,MLL,D20S108)x2[300]; array: deletion of PIM1 (6p21.31); CN-LOH of 21q21.2-ter with RUNX1 and ERG 
11 MPAL B/myeloid, NOS NUP98-NSD1 46,XY,t(5;11)(q31;q21)c[20]; array: deletion of 4p15.2-15.32, minor gain of chromosome 12 
MPAL B/myeloid, NOS T(12;21) positive ETV6-RUNX1 46,XY,del(6)(q?23q?25),add(12)(p13)[12]/46,idem,add(4)(p?14)[4]/46,XY[4]; FISH: nuc ish(ETV6x2,RUNX1x3)(ETV6 con RUNX1x1)[20/300], (ETV6x2,RUNx2)(ETV6 con RUNX1x1)[250/300] 
10 51 MPAL B/myeloid, NOS SSBP2-JAK2 Chromosome analysis failed; FISH: nuc ish(ABL1,BCR)x2[300],(MLL)x2[300], (ETV6,RUNX1)x2[300] 
11 MPAL B/myeloid, NOS others 46,XY,?inv(11)(q22q23),der(16)t(1;16)(q21;q12); FISH: nuc ish(TP73x2,ANGPTL1x3)[165/300],(CBFBx1)[180/300]; array: gain of 1q and loss of 16q 
12 56 MPAL B/myeloid, NOS PHF6 46,XX,del(2)(p13p25),add(11)(p15)[6]/46,XX[12]; FISH: nuc ish(D5S23x2,EGR1x1)[6/300],(MLLx2)[300] 
13* 43 MAPL T/myeloid, NOS PHF6 Skin 46,XX,inv(9)(p11q13)c[20]; FISH: nuc ish(RUNX1T1,RUNX1)x2[300],(MLL)x2[300] 
14 24 MAPL, NOS PHF6 Neck nodes 46,XY[19] 
15 25 MAPL T/myeloid, NOS PHF6 Mediastinal lad 46,XY,del(13)(q14q32),del(16)(q?22) [9]/46,XY [6]; FISH: nuc ish(TP73x1,ANGPTL1x2)[132/300], (D13S319x1,LAMP1x2)[135/300] 
16 28 MPAL, NOS PHF6 Systemic lad 47,XY,+8,del(12)(p12)[8]/47,idem,del(9)(q34)[4]/46,XY[8]; FISH: nuc ish(D8Z2x3)[166/300],(ABL1x1,BCRx2)[202/300], (ETV6x1,RUNX1x2)[202/300]; array: +8; deletion of 9q3.3-34.12 with ABL1 and NUP214; deletion of 12p12.1-p13.2 with ETV6 
17* MPAL, NOS PHF6 Systemic lad 46,XY [20] 
18 69 MAPL T/myeloid, NOS DNMT3A Neck nodes Cytogenetic analysis not performed; FISH: nuc ish(D3S1243,TERC,D3S1564)x2(D3S1243 con TERC con D3S1564x2)[300],(DEK,NUP214,RUNX1T1,RUNX1,MLLCBFB)x2[300]; array: CN-LOH of 9p13.3 (PAX5), 10p12.21-pter (GATA3/MLLT10), and 13q (FLT3, RB), 14q32.11-qter, and 17q21.33-q24.2 
19 62 MAPL T/myeloid, NOS DNMT3A Neck nodes 46,XX[20]; nuc ish(D5S23,EGR1)x2[300],(D7Z1,D7S486)x2[300],(MLLx2)[300]; array: normal 
20 63 MAPL T/myeloid, NOS DNMT3A 46,XX,add(4)(p14)[6]/46,XX,dup(1)(q25q44)[1]/46,XX[14]; FISH: nuc ish(TP73,ANGPTL1)x2[300],(MLLx2)[300], (D3S1243,TERC,D3S1564)x2 (D3S1243 con TERC con D3S1564x2)[300]; array: deletion of 20p12.2 
21 59 MAPL T/myeloid, NOS DNMT3A Neck nodes 45,XY,der(12)t(12;18)(p?13;q?12),-18[20]; FISH: nuc ish (ETV6x1)[294/300]; array: CN-LOH of 2p23.3-pter including DNMT3A, ASXL2, ALK, MYCN, deletion of 12p11.22-pter including ETV6; deletion of 18p11.22-pter 
22 37 MAPL T/myeloid, NOS DNMT3A 45,XY,add(1)(p?22),der(3)t(1;3)(p22;q21),−9,add(10)(p11.2),del(11)(q23), del(12)(p11.2),add(14)(q32),i(17)(q10), der(18)t(9;18)(q13;q23)[cp18]/46,XY[2]; FISH: nuc ish(ABL1x1,BCRx2)[180/300],(ETV6x1,RUNX1x2)[283/300], (TP53,D17Z1)x1[23/300],(TP53x1,D17Z1x2)[262/300]; array: deletion of 18p11.23-pter, and 18q22.1-qter 
23 53 MAPL T/myeloid, NOS DNMT3A Neck nodes 46,XX[20]; FISH: nuc ish(D3S1243,TERC,D3S1564)x2(D3S1243 con TERC con D3S1564x2)[300],(ABL1,BCR)x2[300],(MLLx2)[300] 
24 63 MAPL T/myeloid, NOS WT1 46,XX[20]; FISH: negative for t(9;22), and MLL rearrangement 
25 15 MAPL T/myeloid, NOS WT1 46,XY,der(11)add(11)(p11.2)t(11;16)(q21;q22)[2]/46,XY[19]; FISH: nuc is(MLLx2)[300]; array: CN-LOH of 9p31 including CDKN2A/B 
26 63 MAPL T/myeloid, NOS others 46,XY,t(14;19)(q32;q13) [21]/46,XY [1]; FISH: nuc ish(CDKN2A,D9Z1)x2[500],(ABL1,BCR)x2[500],(TRADx2)[500], (IGHx2)[500]; array: normal 
27 17 MAPL T/myeloid, NOS ND 45∼47,XY,+Y,add(1)(q21),add(8)(q21),add(12)(p13),−12,+1∼2mar [cp16]; FISH: loss of ETV6 
28 12 MPAL with t(9;11) ND 46,XX,del(1)(q21),del(4)(p14p16),t(9;11)(p21;q23), −11, −13, −18, der(20)t(11;20)(q13;q11.1),+mar1,+mar2,+mar3[9]/46,XX[11]; FISH: nuc ish(MLLx2)(5′MLL sep 3′MLLx1)[60/300] 
29 42 MPAL B/myeloid, NOS ND 47,XY,del(8)(p22),+21 [17]/46,XY [3]; FISH: nuc ish(ETV6X2,RUNX1x3) 

F, female; M, male; ND, not done; NOS, not otherwise specified; WT, wild-type.

*

Karyotype was performed on bone marrow cells with very low-level involvement.

From relapse bone marrow cells.

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