Compendium of Cancer Genome Aberrations

HAEM5:Systemic EBV-positive T-cell lymphoma of childhood: Difference between revisions

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* Cytogenetic abnormalities found in 30-35% of cases of SEBVTCL of childhood. The WHO 5th edition and International Consensus Classification note that cytogenetic abnormalities favor a diagnosis of SEBVTCL over EBV-positive nonfamilial HLH.<ref>Arber DA, Borowitz MJ, Cook JR, et al. ''The International Consensus Classification of Myeloid and Lymphoid Neoplasms''.; 2025.</ref> <ref name=":3" /><ref name=":6" /><ref name=":10" />
* Cytogenetic abnormalities found in 30-35% of cases of SEBVTCL of childhood. The WHO 5th edition and International Consensus Classification note that cytogenetic abnormalities favor a diagnosis of SEBVTCL over EBV-positive nonfamilial HLH.<ref>Arber DA, Borowitz MJ, Cook JR, et al. ''The International Consensus Classification of Myeloid and Lymphoid Neoplasms''.; 2025.</ref> <ref name=":3" /><ref name=":6" /><ref name=":10" />
* Aneuploidies and chromosomal gains/losses have been observed but no observable patterns to-date; Associated with worse prognosis<ref name=":0">{{Cite journal|last=Kimura|first=H.|last2=Hoshino|first2=Y.|last3=Kanegane|first3=H.|last4=Tsuge|first4=I.|last5=Okamura|first5=T.|last6=Kawa|first6=K.|last7=Morishima|first7=T.|date=2001-07-15|title=Clinical and virologic characteristics of chronic active Epstein-Barr virus infection|url=https://pubmed.ncbi.nlm.nih.gov/11435294|journal=Blood|volume=98|issue=2|pages=280–286|doi=10.1182/blood.v98.2.280|issn=0006-4971|pmid=11435294}}</ref><ref name=":1" /><ref name=":2">{{Cite journal|last=Kikuta|first=H.|last2=Sakiyama|first2=Y.|last3=Matsumoto|first3=S.|last4=Oh-Ishi|first4=T.|last5=Nakano|first5=T.|last6=Nagashima|first6=T.|last7=Oka|first7=T.|last8=Hironaka|first8=T.|last9=Hirai|first9=K.|date=1993-12-01|title=Fatal Epstein-Barr virus-associated hemophagocytic syndrome|url=https://pubmed.ncbi.nlm.nih.gov/8241498|journal=Blood|volume=82|issue=11|pages=3259–3264|issn=0006-4971|pmid=8241498}}</ref><ref name=":4">{{Cite journal|last=Suzuki|first=Keiko|last2=Ohshima|first2=Koichi|last3=Karube|first3=Kennosuke|last4=Suzumiya|first4=Junji|last5=Ohga|first5=Shouichi|last6=Ishihara|first6=Shigehiko|last7=Tamura|first7=Kazuo|last8=Kikuchi|first8=Masahiro|date=2004-05|title=Clinicopathological states of Epstein-Barr virus-associated T/NK-cell lymphoproliferative disorders (severe chronic active EBV infection) of children and young adults|url=https://pubmed.ncbi.nlm.nih.gov/15067338|journal=International Journal of Oncology|volume=24|issue=5|pages=1165–1174|issn=1019-6439|pmid=15067338}}</ref><ref name=":5">{{Cite journal|last=Hue|first=Susan Swee-Shan|last2=Oon|first2=Ming Liang|last3=Wang|first3=Shi|last4=Tan|first4=Soo-Yong|last5=Ng|first5=Siok-Bian|date=2020-01|title=Epstein-Barr virus-associated T- and NK-cell lymphoproliferative diseases: an update and diagnostic approach|url=https://pubmed.ncbi.nlm.nih.gov/31767131|journal=Pathology|volume=52|issue=1|pages=111–127|doi=10.1016/j.pathol.2019.09.011|issn=1465-3931|pmid=31767131}}</ref><ref name=":8">{{Cite journal|last=Kasahara|first=Y.|last2=Yachie|first2=A.|last3=Takei|first3=K.|last4=Kanegane|first4=C.|last5=Okada|first5=K.|last6=Ohta|first6=K.|last7=Seki|first7=H.|last8=Igarashi|first8=N.|last9=Maruhashi|first9=K.|date=2001-09-15|title=Differential cellular targets of Epstein-Barr virus (EBV) infection between acute EBV-associated hemophagocytic lymphohistiocytosis and chronic active EBV infection|url=https://pubmed.ncbi.nlm.nih.gov/11535525|journal=Blood|volume=98|issue=6|pages=1882–1888|doi=10.1182/blood.v98.6.1882|issn=0006-4971|pmid=11535525}}</ref><ref>{{Cite journal|last=Au|first=W.-Y.|last2=Ma|first2=S.-Y.|last3=Chim|first3=C.-S.|last4=Choy|first4=C.|last5=Loong|first5=F.|last6=Lie|first6=A. K. W.|last7=Lam|first7=C. C. K.|last8=Leung|first8=A. Y. H.|last9=Tse|first9=E.|date=2005-02|title=Clinicopathologic features and treatment outcome of mature T-cell and natural killer-cell lymphomas diagnosed according to the World Health Organization classification scheme: a single center experience of 10 years|url=https://pubmed.ncbi.nlm.nih.gov/15668271|journal=Annals of Oncology: Official Journal of the European Society for Medical Oncology|volume=16|issue=2|pages=206–214|doi=10.1093/annonc/mdi037|issn=0923-7534|pmid=15668271}}</ref><ref name=":9">{{Cite journal|last=Smith|first=Megan C.|last2=Cohen|first2=Daniel N.|last3=Greig|first3=Bruce|last4=Yenamandra|first4=Ashwini|last5=Vnencak-Jones|first5=Cindy|last6=Thompson|first6=Mary Ann|last7=Kim|first7=Annette S.|date=2014|title=The ambiguous boundary between EBV-related hemophagocytic lymphohistiocytosis and systemic EBV-driven T cell lymphoproliferative disorder|url=https://pubmed.ncbi.nlm.nih.gov/25337215|journal=International Journal of Clinical and Experimental Pathology|volume=7|issue=9|pages=5738–5749|issn=1936-2625|pmc=4203186|pmid=25337215}}</ref><ref>{{Cite journal|last=Chen|first=J. S.|last2=Tzeng|first2=C. C.|last3=Tsao|first3=C. J.|last4=Su|first4=W. C.|last5=Chen|first5=T. Y.|last6=Jung|first6=Y. C.|last7=Su|first7=I. J.|date=1997-09|title=Clonal karyotype abnormalities in EBV-associated hemophagocytic syndrome|url=https://pubmed.ncbi.nlm.nih.gov/9407723|journal=Haematologica|volume=82|issue=5|pages=572–576|issn=0390-6078|pmid=9407723}}</ref><ref name=":7" />
* No observable cytogenetic patterns to-date; cytogenetic abnormalities associated with worse prognosis<ref name=":7" /><ref name=":5">{{Cite journal|last=Hue|first=Susan Swee-Shan|last2=Oon|first2=Ming Liang|last3=Wang|first3=Shi|last4=Tan|first4=Soo-Yong|last5=Ng|first5=Siok-Bian|date=2020-01|title=Epstein-Barr virus-associated T- and NK-cell lymphoproliferative diseases: an update and diagnostic approach|url=https://pubmed.ncbi.nlm.nih.gov/31767131|journal=Pathology|volume=52|issue=1|pages=111–127|doi=10.1016/j.pathol.2019.09.011|issn=1465-3931|pmid=31767131}}</ref><ref name=":9">{{Cite journal|last=Smith|first=Megan C.|last2=Cohen|first2=Daniel N.|last3=Greig|first3=Bruce|last4=Yenamandra|first4=Ashwini|last5=Vnencak-Jones|first5=Cindy|last6=Thompson|first6=Mary Ann|last7=Kim|first7=Annette S.|date=2014|title=The ambiguous boundary between EBV-related hemophagocytic lymphohistiocytosis and systemic EBV-driven T cell lymphoproliferative disorder|url=https://pubmed.ncbi.nlm.nih.gov/25337215|journal=International Journal of Clinical and Experimental Pathology|volume=7|issue=9|pages=5738–5749|issn=1936-2625|pmc=4203186|pmid=25337215}}</ref><ref>{{Cite journal|last=Chen|first=J. S.|last2=Tzeng|first2=C. C.|last3=Tsao|first3=C. J.|last4=Su|first4=W. C.|last5=Chen|first5=T. Y.|last6=Jung|first6=Y. C.|last7=Su|first7=I. J.|date=1997-09|title=Clonal karyotype abnormalities in EBV-associated hemophagocytic syndrome|url=https://pubmed.ncbi.nlm.nih.gov/9407723|journal=Haematologica|volume=82|issue=5|pages=572–576|issn=0390-6078|pmid=9407723}}</ref>
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All cases analyzed carry type A EBV with the wildtype or 30 bp deleted product of ''LMP1''<ref name=":1" /><ref name=":4" /><ref name=":8" />
All cases analyzed carry type A EBV with the wildtype or 30 bp deleted product of ''LMP1''<ref name=":1" /><ref name=":4">{{Cite journal|last=Suzuki|first=Keiko|last2=Ohshima|first2=Koichi|last3=Karube|first3=Kennosuke|last4=Suzumiya|first4=Junji|last5=Ohga|first5=Shouichi|last6=Ishihara|first6=Shigehiko|last7=Tamura|first7=Kazuo|last8=Kikuchi|first8=Masahiro|date=2004-05|title=Clinicopathological states of Epstein-Barr virus-associated T/NK-cell lymphoproliferative disorders (severe chronic active EBV infection) of children and young adults|url=https://pubmed.ncbi.nlm.nih.gov/15067338|journal=International Journal of Oncology|volume=24|issue=5|pages=1165–1174|issn=1019-6439|pmid=15067338}}</ref><ref name=":8">{{Cite journal|last=Kasahara|first=Y.|last2=Yachie|first2=A.|last3=Takei|first3=K.|last4=Kanegane|first4=C.|last5=Okada|first5=K.|last6=Ohta|first6=K.|last7=Seki|first7=H.|last8=Igarashi|first8=N.|last9=Maruhashi|first9=K.|date=2001-09-15|title=Differential cellular targets of Epstein-Barr virus (EBV) infection between acute EBV-associated hemophagocytic lymphohistiocytosis and chronic active EBV infection|url=https://pubmed.ncbi.nlm.nih.gov/11535525|journal=Blood|volume=98|issue=6|pages=1882–1888|doi=10.1182/blood.v98.6.1882|issn=0006-4971|pmid=11535525}}</ref>


Differential Diagnosis<ref>{{Cite journal|last=Montes-Mojarro|first=Ivonne A.|last2=Kim|first2=Wook Youn|last3=Fend|first3=Falko|last4=Quintanilla-Martinez|first4=Leticia|date=2020-01|title=Epstein - Barr virus positive T and NK-cell lymphoproliferations: Morphological features and differential diagnosis|url=https://pubmed.ncbi.nlm.nih.gov/31889602|journal=Seminars in Diagnostic Pathology|volume=37|issue=1|pages=32–46|doi=10.1053/j.semdp.2019.12.004|issn=0740-2570|pmid=31889602}}</ref><ref>{{Cite journal|last=Cohen|first=Jeffrey I.|last2=Iwatsuki|first2=Keiji|last3=Ko|first3=Young-Hyeh|last4=Kimura|first4=Hiroshi|last5=Manoli|first5=Irini|last6=Ohshima|first6=Koichi|last7=Pittaluga|first7=Stefania|last8=Quintanilla-Martinez|first8=Leticia|last9=Jaffe|first9=Elaine S.|date=04 2020|title=Epstein-Barr virus NK and T cell lymphoproliferative disease: report of a 2018 international meeting|url=https://pubmed.ncbi.nlm.nih.gov/31833428|journal=Leukemia & Lymphoma|volume=61|issue=4|pages=808–819|doi=10.1080/10428194.2019.1699080|issn=1029-2403|pmid=31833428}}</ref>
Differential Diagnosis<ref>{{Cite journal|last=Montes-Mojarro|first=Ivonne A.|last2=Kim|first2=Wook Youn|last3=Fend|first3=Falko|last4=Quintanilla-Martinez|first4=Leticia|date=2020-01|title=Epstein - Barr virus positive T and NK-cell lymphoproliferations: Morphological features and differential diagnosis|url=https://pubmed.ncbi.nlm.nih.gov/31889602|journal=Seminars in Diagnostic Pathology|volume=37|issue=1|pages=32–46|doi=10.1053/j.semdp.2019.12.004|issn=0740-2570|pmid=31889602}}</ref><ref>{{Cite journal|last=Cohen|first=Jeffrey I.|last2=Iwatsuki|first2=Keiji|last3=Ko|first3=Young-Hyeh|last4=Kimura|first4=Hiroshi|last5=Manoli|first5=Irini|last6=Ohshima|first6=Koichi|last7=Pittaluga|first7=Stefania|last8=Quintanilla-Martinez|first8=Leticia|last9=Jaffe|first9=Elaine S.|date=04 2020|title=Epstein-Barr virus NK and T cell lymphoproliferative disease: report of a 2018 international meeting|url=https://pubmed.ncbi.nlm.nih.gov/31833428|journal=Leukemia & Lymphoma|volume=61|issue=4|pages=808–819|doi=10.1080/10428194.2019.1699080|issn=1029-2403|pmid=31833428}}</ref>
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