Compendium of Cancer Genome Aberrations

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

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==Gene Rearrangements==
==Gene Rearrangements==
Monoclonal T-cell receptor gene rearrangements in most cases.<ref name=":1" /><ref name=":7">{{Cite journal|last=Coffey|first=Amy M.|last2=Lewis|first2=Annisa|last3=Marcogliese|first3=Andrea N.|last4=Elghetany|first4=M. Tarek|last5=Punia|first5=Jyotinder N.|last6=Chang|first6=Chung-Che|last7=Allen|first7=Carl E.|last8=McClain|first8=Kenneth L.|last9=Gaikwad|first9=Amos S.|date=2019-08|title=A clinicopathologic study of the spectrum of systemic forms of EBV-associated T-cell lymphoproliferative disorders of childhood: A single tertiary care pediatric institution experience in North America|url=https://pubmed.ncbi.nlm.nih.gov/31099136|journal=Pediatric Blood & Cancer|volume=66|issue=8|pages=e27798|doi=10.1002/pbc.27798|issn=1545-5017|pmid=31099136}}</ref> T-cell clonality can also be detected in EBV-associated HLH and other EBV-associated disorders.<ref name=":10">{{Cite journal|last=Dojcinov|first=Stefan D.|last2=Quintanilla-Martinez|first2=Leticia|date=2023-01-04|title=How I Diagnose EBV-Positive B- and T-Cell Lymphoproliferative Disorders|url=https://pubmed.ncbi.nlm.nih.gov/36214507|journal=American Journal of Clinical Pathology|volume=159|issue=1|pages=14–33|doi=10.1093/ajcp/aqac105|issn=1943-7722|pmid=36214507}}</ref>
Monoclonal T-cell receptor gene rearrangements in most cases.<ref name=":1">{{Cite journal|last=Quintanilla-Martinez|first=L.|last2=Kumar|first2=S.|last3=Fend|first3=F.|last4=Reyes|first4=E.|last5=Teruya-Feldstein|first5=J.|last6=Kingma|first6=D. W.|last7=Sorbara|first7=L.|last8=Raffeld|first8=M.|last9=Straus|first9=S. E.|date=2000-07-15|title=Fulminant EBV(+) T-cell lymphoproliferative disorder following acute/chronic EBV infection: a distinct clinicopathologic syndrome|url=https://pubmed.ncbi.nlm.nih.gov/10887104|journal=Blood|volume=96|issue=2|pages=443–451|issn=0006-4971|pmid=10887104}}</ref><ref name=":7">{{Cite journal|last=Coffey|first=Amy M.|last2=Lewis|first2=Annisa|last3=Marcogliese|first3=Andrea N.|last4=Elghetany|first4=M. Tarek|last5=Punia|first5=Jyotinder N.|last6=Chang|first6=Chung-Che|last7=Allen|first7=Carl E.|last8=McClain|first8=Kenneth L.|last9=Gaikwad|first9=Amos S.|date=2019-08|title=A clinicopathologic study of the spectrum of systemic forms of EBV-associated T-cell lymphoproliferative disorders of childhood: A single tertiary care pediatric institution experience in North America|url=https://pubmed.ncbi.nlm.nih.gov/31099136|journal=Pediatric Blood & Cancer|volume=66|issue=8|pages=e27798|doi=10.1002/pbc.27798|issn=1545-5017|pmid=31099136}}</ref> T-cell clonality can also be detected in EBV-associated HLH and other EBV-associated disorders.<ref name=":10">{{Cite journal|last=Dojcinov|first=Stefan D.|last2=Quintanilla-Martinez|first2=Leticia|date=2023-01-04|title=How I Diagnose EBV-Positive B- and T-Cell Lymphoproliferative Disorders|url=https://pubmed.ncbi.nlm.nih.gov/36214507|journal=American Journal of Clinical Pathology|volume=159|issue=1|pages=14–33|doi=10.1093/ajcp/aqac105|issn=1943-7722|pmid=36214507}}</ref>
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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" />
* No consistent chromosomal aberrations described.  
* 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" />
** Reported cytogenetic findings include: complex karyotype with 7q deletion<ref name=":7" /><br /> Put your text here and fill in the table <span style="color:#0070C0">(''Instructions: Includes aberrations not involving gene rearrangements. Details on clinical significance such as prognosis and other important information can be provided in the notes section. Can refer to CGC workgroup tables as linked on the homepage if applicable. Please include references throughout the table. Do not delete the table.'') </span>
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!Established Clinical Significance Per Guidelines - Yes or No (Source)
!Established Clinical Significance Per Guidelines - Yes or No (Source)
!Clinical Relevance Details/Other Notes
!Clinical Relevance Details/Other Notes
|-
|<span class="blue-text">EXAMPLE:</span>
7
|<span class="blue-text">EXAMPLE:</span> Loss
|<span class="blue-text">EXAMPLE:</span>
chr7
|<span class="blue-text">EXAMPLE:</span>
Unknown
|<span class="blue-text">EXAMPLE:</span> D, P
|<span class="blue-text">EXAMPLE:</span> No
|<span class="blue-text">EXAMPLE:</span>
Presence of monosomy 7 (or 7q deletion) is sufficient for a diagnosis of AML with MDS-related changes when there is ≥20% blasts and no prior therapy (add reference).  Monosomy 7/7q deletion is associated with a poor prognosis in AML (add references).
|-
|<span class="blue-text">EXAMPLE:</span>
8
|<span class="blue-text">EXAMPLE:</span> Gain
|<span class="blue-text">EXAMPLE:</span>
chr8
|<span class="blue-text">EXAMPLE:</span>
Unknown
|<span class="blue-text">EXAMPLE:</span> D, P
|
|<span class="blue-text">EXAMPLE:</span>
Common recurrent secondary finding for t(8;21) (add references).
|-
|<span class="blue-text">EXAMPLE:</span>
17
|<span class="blue-text">EXAMPLE:</span> Amp
|<span class="blue-text">EXAMPLE:</span>
17q12; chr17:39,700,064-39,728,658 [hg38; 28.6 kb]
|<span class="blue-text">EXAMPLE:</span>
''ERBB2''
|<span class="blue-text">EXAMPLE:</span> D, P, T
|
|<span class="blue-text">EXAMPLE:</span>
Amplification of ''ERBB2'' is associated with HER2 overexpression in HER2 positive breast cancer (add references). Add criteria for how amplification is defined.
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<blockquote class="blockedit">{{Box-round|title=v4:Genomic Gain/Loss/LOH|The content below was from the old template. Please incorporate above.}}</blockquote>
<blockquote class="blockedit"><center>
 
*N/A
 
<blockquote class="blockedit">
<center><span style="color:Maroon">'''End of V4 Section'''</span>
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==Characteristic Chromosomal or Other Global Mutational Patterns==
==Characteristic Chromosomal or Other Global Mutational Patterns==
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*Aneuploidies and chromosomal gains/losses have been observed but no observable patterns to-date; Associated with worse prognosis
*<blockquote class="blockedit">
 
 
<blockquote class="blockedit">{{Box-round|title=Unassigned References|The following referenees were placed in the header. Please place them into the appropriate locations in the text.}}</blockquote><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">{{Cite journal|last=Quintanilla-Martinez|first=L.|last2=Kumar|first2=S.|last3=Fend|first3=F.|last4=Reyes|first4=E.|last5=Teruya-Feldstein|first5=J.|last6=Kingma|first6=D. W.|last7=Sorbara|first7=L.|last8=Raffeld|first8=M.|last9=Straus|first9=S. E.|date=2000-07-15|title=Fulminant EBV(+) T-cell lymphoproliferative disorder following acute/chronic EBV infection: a distinct clinicopathologic syndrome|url=https://pubmed.ncbi.nlm.nih.gov/10887104|journal=Blood|volume=96|issue=2|pages=443–451|issn=0006-4971|pmid=10887104}}</ref><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><blockquote class="blockedit">
<center><span style="color:Maroon">'''End of V4 Section'''</span>
<center><span style="color:Maroon">'''End of V4 Section'''</span>
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