Characteristics, therapy, and outcome of pediatric PTCL after SOT
Patient number . | Age/sex . | Graft . | Time to PTLD (y) . | Location . | Tumor cell morphology . | EBV . | Immunophenotype . | Molecular results . | Reported diagnosis . | Treatment . | Outcome . |
---|---|---|---|---|---|---|---|---|---|---|---|
Patient 116 | 21-y male | Liver | 5.0 | Lymphadenopathy | N/A | Positive | CD3+, CD4–, CD8+, CD30 subset+ | N/A | PTCL, NOS | CHOP | In remission 9 mo later |
Patient 225 | 7-y male | Liver | 7.0 | Gastrointestinal erosions | N/A | Negative | CD3+, CD4+, CD8–, CD5+, CD7+, CD103+, CD56– | Clonal TCR | PTCL, NOS | Reduced immunosuppressive | In remission |
Patient 39 | 3-y female | Lung | 3.0 | Mesenteric and retroperitoneal mass | N/A | N/A | CD3 dim+, CD4+, CD8–, CD7 partial loss | Clonal TCR | PTCL, NOS | ALL-like (vincristine, daunorubicin, asparaginase, and prednisone) | In remission 20 mo later |
Patient 49 | 9-y female | Liver | 5.0 | Hepatosplenomegaly and lymphadenopathy | N/A | N/A | CD3+, CD4+, CD8–, CD7 partial loss | Clonal TCR | PTCL, NOS | ALL-like | In remission 10 mo later |
Patient 510 | 2-y male | Liver | 1.5 | Lymph node and graft | small to medium tumor cells | N/A | CD3+, CD4+, CD8– | N/A | PTCL, NOS | N/A | Died of disease in 1 mo |
Patient 610 | 1-y male | Liver | 0.2 | Lymph nodes and pleural fluid | N/A | N/A | N/A | N/A | PTCL, NOS | N/A | Alive 48 mo follow-up |
Patient 726 | 4-y female | Liver | 3.5 | Abdominal mass and bowel perforation | N/A | Negative | CD3 dim+, CD4+, CD8–, CD5 dim+, CD7– | Clonal TCR | PTCL, NOS | EPOCH and ICE × 2 cycles, HSCT | In remission 3.5 y follow-up |
Patient 813 | 6-y female | Heart | 5.4 | Lung, small bowel and lymph node | N/A | N/A | N/A | N/A | PTCL, NOS | ALL-like | Alive at 22 mo follow-up |
Patient 915 | 4.7-y female | Heart | 1.4 | Retroperitoneal lymph nodes and bowel | N/A | Negative | CD4+ | Clonal TCR | PTCL, NOS | Chemotherapy | In remission at 4 mo follow-up; died of heart rejection 3 y later |
Patient 10 | 12-y female | Heart | 11 | Lymphadenopathy | Medium to large tumor cells | Negative | CD3+, CD4+, CD8–, CD7–, CD5+, CD2+, CD30+;Ki67 20%;CD34–;TCR delta– | Clonal TCR; KRAS and DICER1 mutations | PTCL, NOS | Chemotherapy (GDP-BV) | In remission; relapsed 8 mo later |
Patient 11 | 3-y female | Liver, intestine, and pancreas | 2.0 | Stomach and lung mass | Small to medium tumor cells | Negative | CD3+, CD4+, CD8–, CD5+, CD7+; TP53–, MYC–, TdT–, CD34–; Ki67 10% | Clonal TCR | PTCL, NOS | Chemotherapy | Died of disease in 5 mo |
Patient 12 | 15-y female | Kidney | 11 | Ovary and pelvis mass | Small to medium tumor cells | Positive (by PCR) | CD3+, CD4+, CD8–, CD5+, TdT–, CD34– | Clonal TCR | PTCL, NOS | Chemotherapy | Died of disease in 1 y |
Patient 13 | 5-y female | Liver | 4.0 | Lymphadenopathy | Small to medium tumor cells | N/A | CD3+, CD4+, CD8–, CD5 dim, CD2 dim+, CD7 dim+ | Clonal TCR; Chr18q aberrancy | PTCL, NOS | Chemotherapy | Died of disease in 1 y |
Patient 14 | 4-y male | Liver | 4.0 | Chest wall and pleural effusion | Small to medium tumor cells | Positive | CD3+, CD4+, CD5 dim, CD7 loss, CD30–, Ki67 50%-60% | Clonal TCR | PTCL, NOS | Chemotherapy (CHOP) | Died of disease in 3 mo |
Patient 15 | 4-y male | Heart | 3.0 | Duodenum | Small to medium tumor cells | Negative | CD3+, CD4+ (>>CD8), CD5 and CD7 partial loss, CD30 patchy+, BF1+ | Clonal TCR | PTCL, NOS | Chemotherapy (BV-CHP) | Died of disease in 13 mo |
Patient 16 | 12-y male | Heart | 11 | Bone marrow, splenomegaly, and mediastinal/subcarinal adenopathy | Small to medium tumor cells | Positive | CD3+, CD2+, CD8+, CD4–, CD5 +, CD7– ; BF1–; CD56 partial+; CD34– | Clonal TCR | PTCL, NOS | Chemotherapy (anakinra, dexamethasone; CHOP) | Died of disease in 3 mo |
Patient number . | Age/sex . | Graft . | Time to PTLD (y) . | Location . | Tumor cell morphology . | EBV . | Immunophenotype . | Molecular results . | Reported diagnosis . | Treatment . | Outcome . |
---|---|---|---|---|---|---|---|---|---|---|---|
Patient 116 | 21-y male | Liver | 5.0 | Lymphadenopathy | N/A | Positive | CD3+, CD4–, CD8+, CD30 subset+ | N/A | PTCL, NOS | CHOP | In remission 9 mo later |
Patient 225 | 7-y male | Liver | 7.0 | Gastrointestinal erosions | N/A | Negative | CD3+, CD4+, CD8–, CD5+, CD7+, CD103+, CD56– | Clonal TCR | PTCL, NOS | Reduced immunosuppressive | In remission |
Patient 39 | 3-y female | Lung | 3.0 | Mesenteric and retroperitoneal mass | N/A | N/A | CD3 dim+, CD4+, CD8–, CD7 partial loss | Clonal TCR | PTCL, NOS | ALL-like (vincristine, daunorubicin, asparaginase, and prednisone) | In remission 20 mo later |
Patient 49 | 9-y female | Liver | 5.0 | Hepatosplenomegaly and lymphadenopathy | N/A | N/A | CD3+, CD4+, CD8–, CD7 partial loss | Clonal TCR | PTCL, NOS | ALL-like | In remission 10 mo later |
Patient 510 | 2-y male | Liver | 1.5 | Lymph node and graft | small to medium tumor cells | N/A | CD3+, CD4+, CD8– | N/A | PTCL, NOS | N/A | Died of disease in 1 mo |
Patient 610 | 1-y male | Liver | 0.2 | Lymph nodes and pleural fluid | N/A | N/A | N/A | N/A | PTCL, NOS | N/A | Alive 48 mo follow-up |
Patient 726 | 4-y female | Liver | 3.5 | Abdominal mass and bowel perforation | N/A | Negative | CD3 dim+, CD4+, CD8–, CD5 dim+, CD7– | Clonal TCR | PTCL, NOS | EPOCH and ICE × 2 cycles, HSCT | In remission 3.5 y follow-up |
Patient 813 | 6-y female | Heart | 5.4 | Lung, small bowel and lymph node | N/A | N/A | N/A | N/A | PTCL, NOS | ALL-like | Alive at 22 mo follow-up |
Patient 915 | 4.7-y female | Heart | 1.4 | Retroperitoneal lymph nodes and bowel | N/A | Negative | CD4+ | Clonal TCR | PTCL, NOS | Chemotherapy | In remission at 4 mo follow-up; died of heart rejection 3 y later |
Patient 10 | 12-y female | Heart | 11 | Lymphadenopathy | Medium to large tumor cells | Negative | CD3+, CD4+, CD8–, CD7–, CD5+, CD2+, CD30+;Ki67 20%;CD34–;TCR delta– | Clonal TCR; KRAS and DICER1 mutations | PTCL, NOS | Chemotherapy (GDP-BV) | In remission; relapsed 8 mo later |
Patient 11 | 3-y female | Liver, intestine, and pancreas | 2.0 | Stomach and lung mass | Small to medium tumor cells | Negative | CD3+, CD4+, CD8–, CD5+, CD7+; TP53–, MYC–, TdT–, CD34–; Ki67 10% | Clonal TCR | PTCL, NOS | Chemotherapy | Died of disease in 5 mo |
Patient 12 | 15-y female | Kidney | 11 | Ovary and pelvis mass | Small to medium tumor cells | Positive (by PCR) | CD3+, CD4+, CD8–, CD5+, TdT–, CD34– | Clonal TCR | PTCL, NOS | Chemotherapy | Died of disease in 1 y |
Patient 13 | 5-y female | Liver | 4.0 | Lymphadenopathy | Small to medium tumor cells | N/A | CD3+, CD4+, CD8–, CD5 dim, CD2 dim+, CD7 dim+ | Clonal TCR; Chr18q aberrancy | PTCL, NOS | Chemotherapy | Died of disease in 1 y |
Patient 14 | 4-y male | Liver | 4.0 | Chest wall and pleural effusion | Small to medium tumor cells | Positive | CD3+, CD4+, CD5 dim, CD7 loss, CD30–, Ki67 50%-60% | Clonal TCR | PTCL, NOS | Chemotherapy (CHOP) | Died of disease in 3 mo |
Patient 15 | 4-y male | Heart | 3.0 | Duodenum | Small to medium tumor cells | Negative | CD3+, CD4+ (>>CD8), CD5 and CD7 partial loss, CD30 patchy+, BF1+ | Clonal TCR | PTCL, NOS | Chemotherapy (BV-CHP) | Died of disease in 13 mo |
Patient 16 | 12-y male | Heart | 11 | Bone marrow, splenomegaly, and mediastinal/subcarinal adenopathy | Small to medium tumor cells | Positive | CD3+, CD2+, CD8+, CD4–, CD5 +, CD7– ; BF1–; CD56 partial+; CD34– | Clonal TCR | PTCL, NOS | Chemotherapy (anakinra, dexamethasone; CHOP) | Died of disease in 3 mo |
ALL, acute lymphoblastic leukemia; BV-CHP, brentuximab vedotin, cyclophosphamide, doxorubicin, prednisone; CHOP, cyclophosphamide, doxorubicin hydrochloride, vincristine sulfate, and the steroid hormone prednisone; EPOCH, etoposide, vincristine, doxorubicin, cyclophosphamide, and prednison; GDP-BV, gemcitabine, dexamethasone, cisplatin, and brentuximab vedotin; HSCT, hematopoietic stem cell transplantation; ICE, ifosfamide, carboplatin, and etoposide phosphate; N/A, not applicable; PCR, polymerase chain reaction; PTLD, posttransplant lymphoproliferative disorder.