Table 2.

Clinicopathologic characteristics of patients with concurrent or sequential MN and AITL diagnosis and incomplete molecular information

PatientsSexMNClonal relationshipAge (MN), yAge (AITL), yInterval between MN and AITLMolecular resultsMN treatmentsAITL treatmentsSurvival from AITL diagnosis (mo)Reference
Patients with MN-AITL with partial sequencing, paired Sanger sequencing, or no sequencing (n = 14) 
26 Female MPN NA 59 71 138 months JAK2 p.V617F was detected in the MN by JAK2 single gene assay.
2 TET2 mutations detected in AITL by NGS. 
Pegylated interferon,
EPO mimetic 
CEP Deceased (23) MSKCC 
27 Male AML NA 57 79 264 months Not performed HiDAC/IDR, cytarabine, and etoposide Supportive care Deceased (2) MSKCC 
28 Female MDS NA 72 72 6 months Not performed NA CHOP, pralatrexate, vorinostat, and BV Deceased (64) MSKCC 
29 Female CMML Related 70 80 120 months Same TET2 mutation detected in both MN and AITL by Sanger sequencing
DNMT3A, IDH2, and RHOA G17V were not detected in either neoplasm. 
Not treated initially, later azacytidine Azacytidine, rituximab Alive (18) 13  
30 Female AML
NPM1 mutation 
NA 65 75 120 months TET2 mutation detected in MN
No molecular data for AITL 
Cytarabine, anthracycline, ASCT BV-CHP Alive (6) 14  
31 Female ET NA 78 78 6 months Not performed Hydroxyurea CHOEP, R-ICE Alive (5) 15  
32 Male ET NA 78 84 72 months JAK2 p.V617F detected in MN
No molecular data for AITL 
Hydroxyurea CEOP Deceased (4) 15  
33 Male AML RUNX1::RUNX1T1 NA 47 47 4 months Not performed Idarubicin, cytarabine Cyclophosphamide, vincristine, prednisolone Deceased (1) 16  
34 NA CMML NA 55 56 7 months Not performed Hydroxyurea MOPP, CHOP Deceased (22) 17  
35 Female CMML NA 86 86 Synchronous Mutations in TET2, DNMT3A, ASXL1, SRSF2, NRAS, IDH1, CSF3R detected in MN by NGS
No molecular data for AITL. 
Azacytidine Azacytidine, vinblastine Alive (18) 18  
36 NA MDS Related NA NA NA Same TET2 and DNMT3A mutations detected in both MN and AITL by Sanger sequencing. NA NA NA 19  
37 NA MDS Related NA NA NA Same DNMT3A mutation detected in both MN and AITL by Sanger sequencing.
TET2 mutation detected only in AITL 
NA NA NA 19  
38 NA MPN NA 58 62 48 months Not performed NA NA NA 2  
39 NA MDS NA 73 76 36 months Not performed NA NA NA 2  
Patients with MN-AITL with partial sequencing, paired Sanger sequencing, or no sequencing (n = 2) 
40 Female AML NA 78 77 7 months No molecular data for MN
Negative for RHOA p.G17V and IDH2 p.R172 mutations in AITL by Sanger sequencing 
NA CHOP Deceased (7) 20  
41 Female AML
KMT2A rearranged 
NA 60 58 18 months Not performed Decitabine, cytarabine, and idarubicin R-EPOCH, ASCT Alive (21) 21  
PatientsSexMNClonal relationshipAge (MN), yAge (AITL), yInterval between MN and AITLMolecular resultsMN treatmentsAITL treatmentsSurvival from AITL diagnosis (mo)Reference
Patients with MN-AITL with partial sequencing, paired Sanger sequencing, or no sequencing (n = 14) 
26 Female MPN NA 59 71 138 months JAK2 p.V617F was detected in the MN by JAK2 single gene assay.
2 TET2 mutations detected in AITL by NGS. 
Pegylated interferon,
EPO mimetic 
CEP Deceased (23) MSKCC 
27 Male AML NA 57 79 264 months Not performed HiDAC/IDR, cytarabine, and etoposide Supportive care Deceased (2) MSKCC 
28 Female MDS NA 72 72 6 months Not performed NA CHOP, pralatrexate, vorinostat, and BV Deceased (64) MSKCC 
29 Female CMML Related 70 80 120 months Same TET2 mutation detected in both MN and AITL by Sanger sequencing
DNMT3A, IDH2, and RHOA G17V were not detected in either neoplasm. 
Not treated initially, later azacytidine Azacytidine, rituximab Alive (18) 13  
30 Female AML
NPM1 mutation 
NA 65 75 120 months TET2 mutation detected in MN
No molecular data for AITL 
Cytarabine, anthracycline, ASCT BV-CHP Alive (6) 14  
31 Female ET NA 78 78 6 months Not performed Hydroxyurea CHOEP, R-ICE Alive (5) 15  
32 Male ET NA 78 84 72 months JAK2 p.V617F detected in MN
No molecular data for AITL 
Hydroxyurea CEOP Deceased (4) 15  
33 Male AML RUNX1::RUNX1T1 NA 47 47 4 months Not performed Idarubicin, cytarabine Cyclophosphamide, vincristine, prednisolone Deceased (1) 16  
34 NA CMML NA 55 56 7 months Not performed Hydroxyurea MOPP, CHOP Deceased (22) 17  
35 Female CMML NA 86 86 Synchronous Mutations in TET2, DNMT3A, ASXL1, SRSF2, NRAS, IDH1, CSF3R detected in MN by NGS
No molecular data for AITL. 
Azacytidine Azacytidine, vinblastine Alive (18) 18  
36 NA MDS Related NA NA NA Same TET2 and DNMT3A mutations detected in both MN and AITL by Sanger sequencing. NA NA NA 19  
37 NA MDS Related NA NA NA Same DNMT3A mutation detected in both MN and AITL by Sanger sequencing.
TET2 mutation detected only in AITL 
NA NA NA 19  
38 NA MPN NA 58 62 48 months Not performed NA NA NA 2  
39 NA MDS NA 73 76 36 months Not performed NA NA NA 2  
Patients with MN-AITL with partial sequencing, paired Sanger sequencing, or no sequencing (n = 2) 
40 Female AML NA 78 77 7 months No molecular data for MN
Negative for RHOA p.G17V and IDH2 p.R172 mutations in AITL by Sanger sequencing 
NA CHOP Deceased (7) 20  
41 Female AML
KMT2A rearranged 
NA 60 58 18 months Not performed Decitabine, cytarabine, and idarubicin R-EPOCH, ASCT Alive (21) 21  

AML, acute myeloid leukemia; ASCT, autologous stem cell transplantation; BV, brentuximab vedotin; BV-CHP, brentuximab vedotin, cyclophosphamide, doxorubicin, and prednisolone; CEOP, cyclophosphamide, etoposide, vincristine, and prednisone; CEP, cyclophosphamide, etoposide, and prednisone; CHOEP, cyclophosphamide, doxorubicin hydrochloride, vincristine sulfate, etoposide, and prednisone; CMML, chronic myelomonocytic leukemia; EPOCH, etoposide, prednisolone, vincristine, cyclophosphamide, and hydroxydaunorubicin; ET, essential thrombocythemia; HiDAC/IDR, high-dose cytarabine, idarubicin; MDS, myelodysplastic syndrome; MOPP, methylchloretamine, vincristine, procarbazine, and prednisone; MPN, myeloproliferative neoplasm; NA, not available; R-ICE, rituximab, ifosfamide, carboplatin and etoposide.

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