Compendium of Cancer Genome Aberrations

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{{DISPLAYTITLE:Extranodal NK/T-cell lymphoma}}
{{DISPLAYTITLE:Extranodal NK/T-cell lymphoma}}
[[HAEM5:Table_of_Contents|Haematolymphoid Tumours (5th ed.)]]
[[HAEM5:Table_of_Contents|Haematolymphoid Tumours (WHO Classification, 5th ed.)]]


{{Under Construction}}
==Primary Authors*==


<span style="color:#0070C0">(General Instructions – The main focus of these pages is the clinically significant genetic alterations in each disease type. Use [https://www.genenames.org/ <u>HUGO-approved gene names and symbols</u>] (italicized when appropriate), [https://varnomen.hgvs.org/ HGVS-based nomenclature for variants], as well as generic names of drugs and testing platforms or assays if applicable. Please complete tables whenever possible and do not delete them (add N/A if not applicable in the table and delete the examples). Please do not delete or alter the section headings. The use of bullet points alongside short blocks of text rather than only large paragraphs is encouraged. Additional instructions below in italicized blue text should not be included in the final page content. Please also see </span><u>[[Author_Instructions]]</u><span style="color:#0070C0"> and [[Frequently Asked Questions (FAQs)|<u>FAQs</u>]] as well as contact your [[Leadership|<u>Associate Editor</u>]] or [mailto:CCGA@cancergenomics.org <u>Technical Support</u>])</span>
Teodora Popa, MD, Queen's University


==Primary Author(s)*==
Amanda Xu, MD, Queen's University
==WHO Classification of Disease==


Put your text here<span style="color:#0070C0"> (''Name and affiliation; example:'' Jane Smith, PhD, Institute of Genomics) </span>
{| class="wikitable"
 
!Structure
__TOC__
!Disease
 
|-
==Cancer Category / Type==
|Book
 
|Haematolymphoid Tumours (5th ed.)
Put your text here
|-
 
|Category
==Cancer Sub-Classification / Subtype==
|T-cell and NK-cell lymphoid proliferations and lymphomas
 
|-
Put your text here
|Family
 
|Mature T-cell and NK-cell neoplasms
==Definition / Description of Disease==
|-
 
|Type
Put your text here <span style="color:#0070C0">(''Instructions: Brief description of approximately one paragraph - include disease context relative to other WHO classification categories referring to the specific WHO book pages, diagnostic criteria if applicable, and differential diagnosis if applicable'') </span>
|EBV-positive NK-cell and T-cell lymphomas
 
|-
==Synonyms / Terminology==
|Subtype(s)
 
|
Put your text here <span style="color:#0070C0">(''Instructions: Include currently used terms and major historical ones, adding “(historical)” after the latter.'') </span>
|}
 
==Related Terminology==
==Epidemiology / Prevalence==
 
Put your text here
 
==Clinical Features==


Put your text here and fill in the table <span style="color:#0070C0">(''Instruction: Can include references in the table'') </span>
{| class="wikitable"
{| class="wikitable"
|'''Signs and Symptoms'''
|+
|EXAMPLE Asymptomatic (incidental finding on complete blood counts)
|Acceptable
|Extranodal NK/T-cell lymphoma, nasal type; EBV-positive extranodal NK/T-cell lymphoma
|-
|Not Recommended
|Angiocentric lymphoma; lethal midline granuloma
|}


EXAMPLE B-symptoms (weight loss, fever, night sweats)
==Gene Rearrangements==
 
{| class="wikitable sortable"
EXAMPLE Fatigue
|-
 
!Driver Gene!!Fusion(s) and Common Partner Genes!!Molecular Pathogenesis!!Typical Chromosomal Alteration(s)
EXAMPLE Lymphadenopathy (uncommon)
!Prevalence -Common >20%, Recurrent 5-20% or Rare <5% (Disease)
!Diagnostic, Prognostic, and Therapeutic Significance - D, P, T
!Established Clinical Significance Per Guidelines - Yes or No (Source)
!Clinical Relevance Details/Other Notes
|-
|-
|'''Laboratory Findings'''
|
|EXAMPLE Cytopenias
|
 
|
EXAMPLE Lymphocytosis (low level)
|
|
|
|
|
|}
|}


==Sites of Involvement==
==Individual Region Genomic Gain/Loss/LOH==
 
Put your text here <span style="color:#0070C0">(''Instruction: Indicate physical sites; Example: nodal, extranodal, bone marrow'') </span>
 
==Morphologic Features==
 
Put your text here
 
==Immunophenotype==
 
Put your text here and fill in the table <span style="color:#0070C0">(''Instruction: Can include references in the table'') </span>
 
{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
!Finding!!Marker
!Chr #!!Gain, Loss, Amp, LOH!!Minimal Region Cytoband and/or Genomic Coordinates [Genome Build; Size]!!Relevant Gene(s)
!Diagnostic, Prognostic, and Therapeutic Significance - D, P, T
!Established Clinical Significance Per Guidelines - Yes or No (Source)
!Clinical Relevance Details/Other Notes
|-
|-
|Positive (universal)||EXAMPLE CD1
|<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).
|-
|-
|Positive (subset)||EXAMPLE CD2
|<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).
|-
|-
|Negative (universal)||EXAMPLE CD3
|<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.
|-
|-
|Negative (subset)||EXAMPLE CD4
|
|
|
|
|
|
|
|}
|}
==Chromosomal Rearrangements (Gene Fusions)==
Put your text here and fill in the table


{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
!Chromosomal Rearrangement!!Genes in Fusion (5’ or 3’ Segments)!!Pathogenic Derivative!!Prevalence
!Chr #!!Gain / Loss / Amp / LOH!!Minimal Region Genomic Coordinates [Genome Build]!!Minimal Region Cytoband
!Diagnostic Significance (Yes, No or Unknown)
!Diagnostic Significance (Yes, No or Unknown)
!Prognostic Significance (Yes, No or Unknown)
!Prognostic Significance (Yes, No or Unknown)
Line 88: Line 119:
!Notes
!Notes
|-
|-
|EXAMPLE t(9;22)(q34;q11.2)||EXAMPLE 3'ABL1 / 5'BCR||EXAMPLE der(22)||EXAMPLE 20% (COSMIC)
|6
EXAMPLE 30% (add reference)
|Loss
|Yes
|
|No
|6q21-25<ref>{{Cite journal|last=Wong|first=K. F.|last2=Chan|first2=J. K.|last3=Kwong|first3=Y. L.|date=1997-09|title=Identification of del(6)(q21q25) as a recurring chromosomal abnormality in putative NK cell lymphoma/leukaemia|url=https://pubmed.ncbi.nlm.nih.gov/9326190|journal=British Journal of Haematology|volume=98|issue=4|pages=922–926|doi=10.1046/j.1365-2141.1997.3223139.x|issn=0007-1048|pmid=9326190}}</ref><ref>{{Cite journal|last=Ohshima|first=Koichi|last2=Haraokaa|first2=Seiji|last3=Ishihara|first3=Shigehiko|last4=Ohgami|first4=Akiko|last5=Yoshioka|first5=Shingo|last6=Suzumiya|first6=Junji|last7=Kikuchi|first7=Masahiro|date=2002-02|title=Analysis of chromosome 6q deletion in EBV-associated NK cell leukaemia/lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/11999560|journal=Leukemia & Lymphoma|volume=43|issue=2|pages=293–300|doi=10.1080/10428190290006062|issn=1042-8194|pmid=11999560}}</ref>
|Yes
|Unknown
|EXAMPLE
|Unknown
 
|Unknown
The t(9;22) is diagnostic of CML in the appropriate morphology and clinical context (add reference). This fusion is responsive to targeted therapy such as Imatinib (Gleevec) (add reference).
|This locus harbours multiple candidate tumour suppressor genes including ''ATG5'', ''AIM1'', ''PRDM1'', ''PTPRK'', ''HACE1'', and ''FOXO3''<ref>{{Cite journal|last=Iqbal|first=J.|last2=Kucuk|first2=C.|last3=Deleeuw|first3=R. J.|last4=Srivastava|first4=G.|last5=Tam|first5=W.|last6=Geng|first6=H.|last7=Klinkebiel|first7=D.|last8=Christman|first8=J. K.|last9=Patel|first9=K.|date=2009-06|title=Genomic analyses reveal global functional alterations that promote tumor growth and novel tumor suppressor genes in natural killer-cell malignancies|url=https://pubmed.ncbi.nlm.nih.gov/19194464|journal=Leukemia|volume=23|issue=6|pages=1139–1151|doi=10.1038/leu.2009.3|issn=1476-5551|pmid=19194464}}</ref><ref name=":7">{{Cite journal|last=Karube|first=Kennosuke|last2=Nakagawa|first2=Masao|last3=Tsuzuki|first3=Shinobu|last4=Takeuchi|first4=Ichiro|last5=Honma|first5=Keiichiro|last6=Nakashima|first6=Yasuhiro|last7=Shimizu|first7=Norio|last8=Ko|first8=Young-Hyeh|last9=Morishima|first9=Yasuo|date=2011-09-22|title=Identification of FOXO3 and PRDM1 as tumor-suppressor gene candidates in NK-cell neoplasms by genomic and functional analyses|url=https://pubmed.ncbi.nlm.nih.gov/21690554|journal=Blood|volume=118|issue=12|pages=3195–3204|doi=10.1182/blood-2011-04-346890|issn=1528-0020|pmid=21690554}}</ref><ref name=":1">{{Cite journal|last=Chen|first=Yun-Wen|last2=Guo|first2=Tianhuan|last3=Shen|first3=Lijun|last4=Wong|first4=Kai-Yau|last5=Tao|first5=Qian|last6=Choi|first6=William W. L.|last7=Au-Yeung|first7=Rex K. H.|last8=Chan|first8=Yuen-Piu|last9=Wong|first9=Michelle L. Y.|date=2015-03-05|title=Receptor-type tyrosine-protein phosphatase κ directly targets STAT3 activation for tumor suppression in nasal NK/T-cell lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/25612622|journal=Blood|volume=125|issue=10|pages=1589–1600|doi=10.1182/blood-2014-07-588970|issn=1528-0020|pmid=25612622}}</ref>.
|}
|}
Other less common chromosomal alterations include gain of 1p, 2q, 6p, 10q, 11q, 12q, 13q, 17q, 19p, 20q, and Xp; and loss of 1p36, 2p16, 4q12, 4q31-32, 5p14, 5q34-35, 6q13-14, 6q16-27, 11q22-23, 12q, 13q12-14, 13q14-34, 17p13, and entire chromosome X<ref>{{Cite journal|last=Nakashima|first=Yasuhiro|last2=Tagawa|first2=Hiroyuki|last3=Suzuki|first3=Ritsuro|last4=Karnan|first4=Sivasundaram|last5=Karube|first5=Kennosuke|last6=Ohshima|first6=Koichi|last7=Muta|first7=Koichiro|last8=Nawata|first8=Hajime|last9=Morishima|first9=Yasuo|date=2005-11|title=Genome-wide array-based comparative genomic hybridization of natural killer cell lymphoma/leukemia: different genomic alteration patterns of aggressive NK-cell leukemia and extranodal Nk/T-cell lymphoma, nasal type|url=https://pubmed.ncbi.nlm.nih.gov/16049916|journal=Genes, Chromosomes & Cancer|volume=44|issue=3|pages=247–255|doi=10.1002/gcc.20245|issn=1045-2257|pmid=16049916}}</ref><ref>{{Cite journal|last=Siu|first=L. L.|last2=Chan|first2=V.|last3=Chan|first3=J. K.|last4=Wong|first4=K. F.|last5=Liang|first5=R.|last6=Kwong|first6=Y. L.|date=2000-12|title=Consistent patterns of allelic loss in natural killer cell lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/11106552|journal=The American Journal of Pathology|volume=157|issue=6|pages=1803–1809|doi=10.1016/S0002-9440(10)64818-3|issn=0002-9440|pmc=1885756|pmid=11106552}}</ref><ref>{{Cite journal|last=Siu|first=L. L.|last2=Wong|first2=K. F.|last3=Chan|first3=J. K.|last4=Kwong|first4=Y. L.|date=1999-11|title=Comparative genomic hybridization analysis of natural killer cell lymphoma/leukemia. Recognition of consistent patterns of genetic alterations|url=https://pubmed.ncbi.nlm.nih.gov/10550295|journal=The American Journal of Pathology|volume=155|issue=5|pages=1419–1425|doi=10.1016/S0002-9440(10)65454-5|issn=0002-9440|pmc=1866965|pmid=10550295}}</ref><ref>{{Cite journal|last=Wong|first=K. F.|last2=Zhang|first2=Y. M.|last3=Chan|first3=J. K.|date=1999-07|title=Cytogenetic abnormalities in natural killer cell lymphoma/leukaemia--is there a consistent pattern?|url=https://pubmed.ncbi.nlm.nih.gov/10439361|journal=Leukemia & Lymphoma|volume=34|issue=3-4|pages=241–250|doi=10.3109/10428199909050949|issn=1042-8194|pmid=10439361}}</ref><ref>{{Cite journal|last=Ko|first=Y. H.|last2=Choi|first2=K. E.|last3=Han|first3=J. H.|last4=Kim|first4=J. M.|last5=Ree|first5=H. J.|date=2001-04-15|title=Comparative genomic hybridization study of nasal-type NK/T-cell lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/11309817|journal=Cytometry|volume=46|issue=2|pages=85–91|doi=10.1002/cyto.1069|issn=0196-4763|pmid=11309817}}</ref>.
==Individual Region Genomic Gain / Loss / LOH==
 
Put your text here and fill in the table <span style="color:#0070C0">(''Instructions: Includes aberrations not involving gene fusions. Can include references in the table. Can refer to CGC workgroup tables as linked on the homepage if applicable.'') </span>


==Characteristic Chromosomal or Other Global Mutational Patterns==
{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
!Chr #!!Gain / Loss / Amp / LOH!!Minimal Region Genomic Coordinates [Genome Build]!!Minimal Region Cytoband
!Chromosomal Pattern
!Diagnostic Significance (Yes, No or Unknown)
!Molecular Pathogenesis
!Prognostic Significance (Yes, No or Unknown)
!Prevalence -
!Therapeutic Significance (Yes, No or Unknown)
Common >20%, Recurrent 5-20% or Rare <5% (Disease)
!Notes
!Diagnostic, Prognostic, and Therapeutic Significance - D, P, T
!Established Clinical Significance Per Guidelines - Yes or No (Source)
!Clinical Relevance Details/Other Notes
|-
|<span class="blue-text">EXAMPLE:</span>
Co-deletion of 1p and 18q
|<span class="blue-text">EXAMPLE:</span> See chromosomal rearrangements table as this pattern is due to an unbalanced derivative translocation associated with oligodendroglioma (add reference).
|<span class="blue-text">EXAMPLE:</span> Common (Oligodendroglioma)
|<span class="blue-text">EXAMPLE:</span> D, P
|
|
|-
|-
|EXAMPLE
|<span class="blue-text">EXAMPLE:</span>
 
Microsatellite instability - hypermutated
7
|
|EXAMPLE Loss
|<span class="blue-text">EXAMPLE:</span> Common (Endometrial carcinoma)
|EXAMPLE
|<span class="blue-text">EXAMPLE:</span> P, T
 
|
chr7:1- 159,335,973 [hg38]
|
|EXAMPLE
 
chr7
|Yes
|Yes
|No
|EXAMPLE
 
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 reference).
|-
|-
|EXAMPLE
|
 
|
8
|
|EXAMPLE Gain
|
|EXAMPLE
|
 
|
chr8:1-145,138,636 [hg38]
|EXAMPLE
 
chr8
|No
|No
|No
|EXAMPLE
 
Common recurrent secondary finding for t(8;21) (add reference).
|}
|}
==Characteristic Chromosomal Patterns==
Put your text here <span style="color:#0070C0">(''EXAMPLE PATTERNS: hyperdiploid; gain of odd number chromosomes including typically chromosome 1, 3, 5, 7, 11, and 17; co-deletion of 1p and 19q; complex karyotypes without characteristic genetic findings; chromothripsis'')</span>


{| class="wikitable sortable"
{| class="wikitable sortable"
Line 156: Line 173:
!Notes
!Notes
|-
|-
|EXAMPLE
|Isochromosome 6p<ref>{{Cite journal|last=Tien|first=H. F.|last2=Su|first2=I. J.|last3=Tang|first3=J. L.|last4=Liu|first4=M. C.|last5=Lee|first5=F. Y.|last6=Chen|first6=Y. C.|last7=Chuang|first7=S. M.|date=1997-06|title=Clonal chromosomal abnormalities as direct evidence for clonality in nasal T/natural killer cell lymphomas|url=https://pubmed.ncbi.nlm.nih.gov/9207410|journal=British Journal of Haematology|volume=97|issue=3|pages=621–625|doi=10.1046/j.1365-2141.1997.752711.x|issn=0007-1048|pmid=9207410}}</ref>
|Unknown
|Unknown
|Unknown
|N/A
|-
|Isochromosome 7q<ref>{{Cite journal|last=Feldman|first=Andrew L.|last2=Law|first2=Mark|last3=Grogg|first3=Karen L.|last4=Thorland|first4=Erik C.|last5=Fink|first5=Stephanie|last6=Kurtin|first6=Paul J.|last7=Macon|first7=William R.|last8=Remstein|first8=Ellen D.|last9=Dogan|first9=Ahmet|date=2008-08|title=Incidence of TCR and TCL1 gene translocations and isochromosome 7q in peripheral T-cell lymphomas using fluorescence in situ hybridization|url=https://pubmed.ncbi.nlm.nih.gov/18628085|journal=American Journal of Clinical Pathology|volume=130|issue=2|pages=178–185|doi=10.1309/PNXUKA1CFJMVGCN1|issn=0002-9173|pmc=3625137|pmid=18628085}}</ref>
|Unknown
|Unknown
|Unknown
|N/A
|}


Co-deletion of 1p and 18q
==Gene Mutations (SNV/INDEL)==
|Yes
{| class="wikitable sortable"
|No
|-
|No
!Gene!!Genetic Alteration!!Tumor Suppressor Gene, Oncogene, Other!!Prevalence -
|EXAMPLE:
Common >20%, Recurrent 5-20% or Rare <5% (Disease)
!Diagnostic, Prognostic, and Therapeutic Significance - D, P, T  
!Established Clinical Significance Per Guidelines - Yes or No (Source)
!Clinical Relevance Details/Other Notes
|-
|<span class="blue-text">EXAMPLE:</span>''EGFR''


See chromosomal rearrangements table as this pattern is due to an unbalanced derivative translocation associated with oligodendroglioma (add reference).
<br />
|<span class="blue-text">EXAMPLE:</span> Exon 18-21 activating mutations
|<span class="blue-text">EXAMPLE:</span> Oncogene
|<span class="blue-text">EXAMPLE:</span> Common (lung cancer)
|<span class="blue-text">EXAMPLE:</span> T
|<span class="blue-text">EXAMPLE:</span> Yes (NCCN)
|<span class="blue-text">EXAMPLE:</span> Exons 18, 19, and 21 mutations are targetable for therapy. Exon 20 T790M variants cause resistance to first generation TKI therapy and are targetable by second and third generation TKIs (add references).
|-
|<span class="blue-text">EXAMPLE:</span> ''TP53''; Variable LOF mutations
<br />
|<span class="blue-text">EXAMPLE:</span> Variable LOF mutations
|<span class="blue-text">EXAMPLE:</span> Tumor Supressor Gene
|<span class="blue-text">EXAMPLE:</span> Common (breast cancer)
|<span class="blue-text">EXAMPLE:</span> P
|
|<span class="blue-text">EXAMPLE:</span> >90% are somatic; rare germline alterations associated with Li-Fraumeni syndrome (add reference). Denotes a poor prognosis in breast cancer.
|-
|<span class="blue-text">EXAMPLE:</span> ''BRAF''; Activating mutations
|<span class="blue-text">EXAMPLE:</span> Activating mutations
|<span class="blue-text">EXAMPLE:</span> Oncogene
|<span class="blue-text">EXAMPLE:</span> Common (melanoma)
|<span class="blue-text">EXAMPLE:</span> T
|
|
|-
|
|
|
|
|
|
|
|}
|}
==Gene Mutations (SNV / INDEL)==
Put your text here and fill in the table <span style="color:#0070C0">(''Instructions: This table is not meant to be an exhaustive list; please include only genes/alterations that are recurrent and common as well either disease defining and/or clinically significant. Can include references in the table. For clinical significance, denote associations with FDA-approved therapy (not an extensive list of applicable drugs) and NCCN or other national guidelines if applicable; Can also refer to CGC workgroup tables as linked on the homepage if applicable as well as any high impact papers or reviews of gene mutations in this entity.'') </span>
{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
!Gene; Genetic Alteration!!'''Presumed Mechanism (Tumor Suppressor Gene [TSG] / Oncogene / Other)'''!!'''Prevalence (COSMIC /  TCGA / Other)'''!!'''Concomitant Mutations'''!!'''Mutually Exclusive Mutations'''
!Gene; Genetic Alteration!!Presumed Mechanism (Tumor Suppressor Gene [TSG] / Oncogene / Other)!!Prevalence (COSMIC /  TCGA / Other)!!Concomitant Mutations!!Mutually Exclusive Mutations
!'''Diagnostic Significance (Yes, No or Unknown)'''
!Diagnostic Significance (Yes, No or Unknown)
!Prognostic Significance (Yes, No or Unknown)
!Prognostic Significance (Yes, No or Unknown)
!Therapeutic Significance (Yes, No or Unknown)
!Therapeutic Significance (Yes, No or Unknown)
!Notes
!Notes
|-
|-
|EXAMPLE: TP53; Variable LOF mutations
|''JAK3''<ref name=":10">{{Cite journal|last=Koo|first=Ghee Chong|last2=Tan|first2=Soo Yong|last3=Tang|first3=Tiffany|last4=Poon|first4=Song Ling|last5=Allen|first5=George E.|last6=Tan|first6=Leonard|last7=Chong|first7=Soo Ching|last8=Ong|first8=Whee Sze|last9=Tay|first9=Kevin|date=2012-07|title=Janus kinase 3-activating mutations identified in natural killer/T-cell lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/22705984|journal=Cancer Discovery|volume=2|issue=7|pages=591–597|doi=10.1158/2159-8290.CD-12-0028|issn=2159-8290|pmid=22705984}}</ref><ref>{{Cite journal|last=Bouchekioua|first=A.|last2=Scourzic|first2=L.|last3=de Wever|first3=O.|last4=Zhang|first4=Y.|last5=Cervera|first5=P.|last6=Aline-Fardin|first6=A.|last7=Mercher|first7=T.|last8=Gaulard|first8=P.|last9=Nyga|first9=R.|date=2014-02|title=JAK3 deregulation by activating mutations confers invasive growth advantage in extranodal nasal-type natural killer cell lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/23689514|journal=Leukemia|volume=28|issue=2|pages=338–348|doi=10.1038/leu.2013.157|issn=1476-5551|pmid=23689514}}</ref>
 
|Oncogene
EXAMPLE:
|35.4%<ref name=":10" />
 
|
EGFR; Exon 20 mutations
|
 
|Unknown
EXAMPLE: BRAF; Activating mutations
|Unknown
|EXAMPLE: TSG
|Pan-JAK and selective JAK3 inhibitors have been suggested as potential therapeutic options<ref name=":10" /><ref>{{Cite journal|last=Nairismägi|first=M.-L.|last2=Gerritsen|first2=M. E.|last3=Li|first3=Z. M.|last4=Wijaya|first4=G. C.|last5=Chia|first5=B. K. H.|last6=Laurensia|first6=Y.|last7=Lim|first7=J. Q.|last8=Yeoh|first8=K. W.|last9=Yao|first9=X. S.|date=2018-05|title=Oncogenic activation of JAK3-STAT signaling confers clinical sensitivity to PRN371, a novel selective and potent JAK3 inhibitor, in natural killer/T-cell lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/29434279|journal=Leukemia|volume=32|issue=5|pages=1147–1156|doi=10.1038/s41375-017-0004-x|issn=1476-5551|pmc=5940653|pmid=29434279}}</ref>. [https://clinicaltrials.gov/study/NCT02974647 Clinical trials evaluating JAK inhibitors] are in progress.
|EXAMPLE: 20% (COSMIC)
|
 
|-
EXAMPLE: 30% (add Reference)
|''STAT3''<ref name=":2">{{Cite journal|last=Jiang|first=Lu|last2=Gu|first2=Zhao-Hui|last3=Yan|first3=Zi-Xun|last4=Zhao|first4=Xia|last5=Xie|first5=Yin-Yin|last6=Zhang|first6=Zi-Guan|last7=Pan|first7=Chun-Ming|last8=Hu|first8=Yuan|last9=Cai|first9=Chang-Ping|date=2015-09|title=Exome sequencing identifies somatic mutations of DDX3X in natural killer/T-cell lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/26192917|journal=Nature Genetics|volume=47|issue=9|pages=1061–1066|doi=10.1038/ng.3358|issn=1546-1718|pmid=26192917}}</ref><ref name=":3">{{Cite journal|last=Küçük|first=Can|last2=Jiang|first2=Bei|last3=Hu|first3=Xiaozhou|last4=Zhang|first4=Wenyan|last5=Chan|first5=John K. C.|last6=Xiao|first6=Wenming|last7=Lack|first7=Nathan|last8=Alkan|first8=Can|last9=Williams|first9=John C.|date=2015-01-14|title=Activating mutations of STAT5B and STAT3 in lymphomas derived from γδ-T or NK cells|url=https://pubmed.ncbi.nlm.nih.gov/25586472|journal=Nature Communications|volume=6|pages=6025|doi=10.1038/ncomms7025|issn=2041-1723|pmc=7743911|pmid=25586472}}</ref><ref name=":4">{{Cite journal|last=Lee|first=Seungbok|last2=Park|first2=Ha Young|last3=Kang|first3=So Young|last4=Kim|first4=Seok Jin|last5=Hwang|first5=Jinha|last6=Lee|first6=Seungho|last7=Kwak|first7=Soo Heon|last8=Park|first8=Kyong Soo|last9=Yoo|first9=Hae Yong|date=2015-07-10|title=Genetic alterations of JAK/STAT cascade and histone modification in extranodal NK/T-cell lymphoma nasal type|url=https://pubmed.ncbi.nlm.nih.gov/25980440|journal=Oncotarget|volume=6|issue=19|pages=17764–17776|doi=10.18632/oncotarget.3776|issn=1949-2553|pmc=4627344|pmid=25980440}}</ref>
|EXAMPLE: IDH1 R123H
|Oncogene
|EXAMPLE: EGFR amplification
|6-26%<ref name=":3" /><ref name=":4" />
|
|
|Unknown
|Unknown
|STAT3 inhibitor may have potential therapeutic benefit in patients with STAT3 activating mutation<ref>{{Cite journal|last=Wang|first=Yali|last2=Zhou|first2=Wenbo|last3=Chen|first3=Jianfeng|last4=Chen|first4=Jinghong|last5=Deng|first5=Peng|last6=Chen|first6=Huang|last7=Sun|first7=Yichen|last8=Yu|first8=Zhaoliang|last9=Pang|first9=Diwen|date=2023-08|title=Preclinical characterization of WB737, a potent and selective STAT3 inhibitor, in natural killer/T-cell lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/37334274|journal=MedComm|volume=4|issue=4|pages=e284|doi=10.1002/mco2.284|issn=2688-2663|pmc=PMC10274570|pmid=37334274}}</ref>.
|
|-
|''STAT5B''<ref name=":2" /><ref name=":3" />
|Oncogene
|6%<ref name=":3" />
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''PTPRK''<ref name=":1" />
|Other (acts on JAK/STAT pathway; underexpression leads to STAT3 activation<ref name=":1" />)
|
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''MYC''<ref name=":12">{{Cite journal|last=Ng|first=Siok-Bian|last2=Selvarajan|first2=Viknesvaran|last3=Huang|first3=Gaofeng|last4=Zhou|first4=Jianbiao|last5=Feldman|first5=Andrew L.|last6=Law|first6=Mark|last7=Kwong|first7=Yok-Lam|last8=Shimizu|first8=Norio|last9=Kagami|first9=Yoshitoyo|date=2011-03|title=Activated oncogenic pathways and therapeutic targets in extranodal nasal-type NK/T cell lymphoma revealed by gene expression profiling|url=https://pubmed.ncbi.nlm.nih.gov/21294123|journal=The Journal of Pathology|volume=223|issue=4|pages=496–510|doi=10.1002/path.2823|issn=1096-9896|pmid=21294123}}</ref>
|Oncogene
|
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''PDGFRA''<ref name=":13" />
|Oncogene
|
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''EZH2''<ref>{{Cite journal|last=Yan|first=Junli|last2=Li|first2=Boheng|last3=Lin|first3=Baohong|last4=Lee|first4=Pei Tsung|last5=Chung|first5=Tae-Hoon|last6=Tan|first6=Joy|last7=Bi|first7=Chonglei|last8=Lee|first8=Xue Ting|last9=Selvarajan|first9=Viknesvaran|date=2016-08-18|title=EZH2 phosphorylation by JAK3 mediates a switch to noncanonical function in natural killer/T-cell lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/27297789|journal=Blood|volume=128|issue=7|pages=948–958|doi=10.1182/blood-2016-01-690701|issn=1528-0020|pmid=27297789}}</ref>
|Oncogene
|
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''RAS/KRAS/HRAS''
|Oncogene
|<5%<ref name=":14">{{Cite journal|last=Hoshida|first=Yoshihiko|last2=Hongyo|first2=Tadashi|last3=Jia|first3=Xinshan|last4=He|first4=Yanjiao|last5=Hasui|first5=Kazuhisa|last6=Dong|first6=Zhiming|last7=Luo|first7=Wen-Juan|last8=Ham|first8=Maria Francisca|last9=Nomura|first9=Taisei|date=2003-03|title=Analysis of p53, K-ras, c-kit, and beta-catenin gene mutations in sinonasal NK/T cell lymphoma in northeast district of China|url=https://pubmed.ncbi.nlm.nih.gov/12824925|journal=Cancer Science|volume=94|issue=3|pages=297–301|doi=10.1111/j.1349-7006.2003.tb01436.x|issn=1347-9032|pmc=PMC11160272|pmid=12824925}}</ref><ref>{{Cite journal|last=Takahara|first=Miki|last2=Kishibe|first2=Kan|last3=Bandoh|first3=Nobuyuki|last4=Nonaka|first4=Satoshi|last5=Harabuchi|first5=Yasuaki|date=2004-01|title=P53, N- and K-Ras, and beta-catenin gene mutations and prognostic factors in nasal NK/T-cell lymphoma from Hokkaido, Japan|url=https://pubmed.ncbi.nlm.nih.gov/14745729|journal=Human Pathology|volume=35|issue=1|pages=86–95|doi=10.1016/j.humpath.2003.08.025|issn=0046-8177|pmid=14745729}}</ref>
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''FAS''
|Oncogene
|50-60%<ref>{{Cite journal|last=Shen|first=Lijun|last2=Liang|first2=Anthony C. T.|last3=Lu|first3=Liwei|last4=Au|first4=Wing Yan|last5=Kwong|first5=Yok-Lam|last6=Liang|first6=Raymond H. S.|last7=Srivastava|first7=Gopesh|date=2002-12|title=Frequent deletion of Fas gene sequences encoding death and transmembrane domains in nasal natural killer/T-cell lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/12466128|journal=The American Journal of Pathology|volume=161|issue=6|pages=2123–2131|doi=10.1016/S0002-9440(10)64490-2|issn=0002-9440|pmc=1850920|pmid=12466128}}</ref><ref>{{Cite journal|last=Takakuwa|first=Tetsuya|last2=Dong|first2=Zhiming|last3=Nakatsuka|first3=Shinichi|last4=Kojya|first4=Shizuo|last5=Harabuchi|first5=Yasuaki|last6=Yang|first6=Woo-Ick|last7=Nagata|first7=Shigekazu|last8=Aozasa|first8=Katsuyuki|date=2002-07-11|title=Frequent mutations of Fas gene in nasal NK/T cell lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/12096347|journal=Oncogene|volume=21|issue=30|pages=4702–4705|doi=10.1038/sj.onc.1205571|issn=0950-9232|pmid=12096347}}</ref>
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''KIT''
|Oncogene
|5-71% (China)
22% (Japan)<ref name=":14" /><ref>{{Cite journal|last=Hongyo|first=T.|last2=Li|first2=T.|last3=Syaifudin|first3=M.|last4=Baskar|first4=R.|last5=Ikeda|first5=H.|last6=Kanakura|first6=Y.|last7=Aozasa|first7=K.|last8=Nomura|first8=T.|date=2000-05-01|title=Specific c-kit mutations in sinonasal natural killer/T-cell lymphoma in China and Japan|url=https://pubmed.ncbi.nlm.nih.gov/10811105|journal=Cancer Research|volume=60|issue=9|pages=2345–2347|issn=0008-5472|pmid=10811105}}</ref>
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''CTNNB1''
|Oncogene
|16-30%<ref name=":14" /><ref>{{Cite journal|last=Sugimoto|first=Kei-ji|last2=Kawamata|first2=Norihiko|last3=Sakajiri|first3=Sakura|last4=Oshimi|first4=Kazuo|date=2002-11|title=Molecular analysis of oncogenes, ras family genes (N-ras, K-ras, H-ras), myc family genes (c-myc, N-myc) and mdm2 in natural killer cell neoplasms|url=https://pubmed.ncbi.nlm.nih.gov/12460470|journal=Japanese Journal of Cancer Research: Gann|volume=93|issue=11|pages=1270–1277|doi=10.1111/j.1349-7006.2002.tb01234.x|issn=0910-5050|pmc=5926889|pmid=12460470}}</ref>
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''DDX3X''<ref name=":2" />
|Epigenetic modifier (RNA helicase)
|20%<ref name=":2" />
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''KMT2D (MLL2)''<ref name=":2" />
|Epigenetic modifier
|38.2%<ref name=":4" />
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''ARID1A''<ref name=":2" />
|Epigenetic modifier
|
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''EP300''<ref name=":2" />
|Epigenetic modifier
|
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''ASXL3''<ref name=":2" />
|Epigenetic modifier
|
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''BCOR''<ref name=":4" />
|Epigenetic modifier
|38.2%<ref name=":4" />
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''TP53''<ref name=":2" />
|Tumor suppressor gene
|24-62%<ref name=":11">{{Cite journal|last=Quintanilla-Martinez|first=L.|last2=Kremer|first2=M.|last3=Keller|first3=G.|last4=Nathrath|first4=M.|last5=Gamboa-Dominguez|first5=A.|last6=Meneses|first6=A.|last7=Luna-Contreras|first7=L.|last8=Cabras|first8=A.|last9=Hoefler|first9=H.|date=2001-12|title=p53 Mutations in nasal natural killer/T-cell lymphoma from Mexico: association with large cell morphology and advanced disease|url=https://pubmed.ncbi.nlm.nih.gov/11733360|journal=The American Journal of Pathology|volume=159|issue=6|pages=2095–2105|doi=10.1016/S0002-9440(10)63061-1|issn=0002-9440|pmc=1850589|pmid=11733360}}</ref><ref name=":8">{{Cite journal|last=Hongyo|first=Tadashi|last2=Hoshida|first2=Yoshihiko|last3=Nakatsuka|first3=Shin-Ichi|last4=Syaifudin|first4=Mukh|last5=Kojya|first5=Shizuo|last6=Yang|first6=Woo-Ick|last7=Min|first7=Yoo-Hong|last8=Chan|first8=Heekyung|last9=Kim|first9=Chan Hwan|date=2005-02|title=p53, K-ras, c-kit and beta-catenin gene mutations in sinonasal NK/T-cell lymphoma in Korea and Japan|url=https://pubmed.ncbi.nlm.nih.gov/15643509|journal=Oncology Reports|volume=13|issue=2|pages=265–271|issn=1021-335X|pmid=15643509}}</ref>
|
|
|Unknown
|Yes, associated with advanced stage disease<ref name=":11" />.
|Unknown
|
|-
|''RUNX3''<ref>{{Cite journal|last=Selvarajan|first=V.|last2=Osato|first2=M.|last3=Nah|first3=G. S. S.|last4=Yan|first4=J.|last5=Chung|first5=T.-H.|last6=Voon|first6=D. C.-C.|last7=Ito|first7=Y.|last8=Ham|first8=M. F.|last9=Salto-Tellez|first9=M.|date=2017-10|title=RUNX3 is oncogenic in natural killer/T-cell lymphoma and is transcriptionally regulated by MYC|url=https://pubmed.ncbi.nlm.nih.gov/28119527|journal=Leukemia|volume=31|issue=10|pages=2219–2227|doi=10.1038/leu.2017.40|issn=1476-5551|pmc=5629367|pmid=28119527}}</ref>
|Tumor suppressor gene
|
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''MGA''<ref name=":2" />
|Tumor suppressor gene
|
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''PRDM1''<ref name=":9">{{Cite journal|last=Huang|first=Yenlin|last2=de Leval|first2=Laurence|last3=Gaulard|first3=Philippe|date=2013-03|title=Molecular underpinning of extranodal NK/T-cell lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/23768641|journal=Best Practice & Research. Clinical Haematology|volume=26|issue=1|pages=57–74|doi=10.1016/j.beha.2013.04.006|issn=1532-1924|pmid=23768641}}</ref><ref name=":7" /><ref>{{Cite journal|last=Küçük|first=Can|last2=Iqbal|first2=Javeed|last3=Hu|first3=Xiaozhou|last4=Gaulard|first4=Phillip|last5=De Leval|first5=Laurence|last6=Srivastava|first6=Gopesh|last7=Au|first7=Wing Yan|last8=McKeithan|first8=Timothy W.|last9=Chan|first9=Wing C.|date=2011-12-13|title=PRDM1 is a tumor suppressor gene in natural killer cell malignancies|url=https://pubmed.ncbi.nlm.nih.gov/22143801|journal=Proceedings of the National Academy of Sciences of the United States of America|volume=108|issue=50|pages=20119–20124|doi=10.1073/pnas.1115128108|issn=1091-6490|pmc=3250125|pmid=22143801}}</ref>
|Tumor suppressor gene
|Methylated in NK-92, KHYG-1, SNK-1, SNK-6 cell lines, 12/17 cases; Deleted in 8/18 cases; Mutated in NK-92 and KAI3 cell lines, 1/26 cases<ref name=":9" />
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''ATG5''<ref name=":9" />
|Tumor suppressor gene
|
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''AIM1''<ref name=":9" />
|Tumor suppressor gene
|Methylated in NK-92, HANK1, NK-YS, SNK-1, YT cell lines; Mutated in in SNK-1 and SNK-6 cell lines<ref name=":9" />
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''FOXO3''<ref name=":9" /><ref name=":7" />
|Tumor suppressor gene
|Mutated in 2/26 NKTCL and 1/9 ANKL<ref name=":9" />
|
|
|Unknown
|Unknown
|Unknown
|
|-
|''HACE1''<ref name=":9" /><ref name=":13">{{Cite journal|last=Huang|first=Yenlin|last2=de Reyniès|first2=Aurélien|last3=de Leval|first3=Laurence|last4=Ghazi|first4=Bouchra|last5=Martin-Garcia|first5=Nadine|last6=Travert|first6=Marion|last7=Bosq|first7=Jacques|last8=Brière|first8=Josette|last9=Petit|first9=Barbara|date=2010-02-11|title=Gene expression profiling identifies emerging oncogenic pathways operating in extranodal NK/T-cell lymphoma, nasal type|url=https://pubmed.ncbi.nlm.nih.gov/19965620|journal=Blood|volume=115|issue=6|pages=1226–1237|doi=10.1182/blood-2009-05-221275|issn=1528-0020|pmc=2826234|pmid=19965620}}</ref>
|Tumor suppressor gene
|Mutated in 6/9 (67%) cell lines and 5/15 (33%) primary tumors<ref>{{Cite journal|last=Küçük|first=Can|last2=Hu|first2=Xiaozhou|last3=Iqbal|first3=Javeed|last4=Gaulard|first4=Philippe|last5=Klinkebiel|first5=David|last6=Cornish|first6=Adam|last7=Dave|first7=Bhavana J.|last8=Chan|first8=Wing C.|date=2013-01|title=HACE1 is a tumor suppressor gene candidate in natural killer cell neoplasms|url=https://pubmed.ncbi.nlm.nih.gov/23142381|journal=The American Journal of Pathology|volume=182|issue=1|pages=49–55|doi=10.1016/j.ajpath.2012.09.012|issn=1525-2191|pmc=3532710|pmid=23142381}}</ref>
|
|
|
|
|Unknown
|Unknown
|Unknown
|
|
|EXAMPLE:  Excludes hairy cell leukemia (HCL) (add reference).
<br />
|}
|}
Note: A more extensive list of mutations can be found in cBioportal (https://www.cbioportal.org/), COSMIC (https://cancer.sanger.ac.uk/cosmic), ICGC (https://dcc.icgc.org/) and/or other databases. When applicable, gene-specific pages within the CCGA site directly link to pertinent external content.
Note: A more extensive list of mutations can be found in cBioportal (https://www.cbioportal.org/), COSMIC (https://cancer.sanger.ac.uk/cosmic), ICGC (https://dcc.icgc.org/) and/or other databases. When applicable, gene-specific pages within the CCGA site directly link to pertinent external content.
Line 201: Line 493:
==Epigenomic Alterations==
==Epigenomic Alterations==


Put your text here
A 2015 study by Lu, ''et al'' uncovered recurrent mutations in the RNA helicase gene ''DDX3X'' and other epigenetic modifiers including ''KMT2D (MLL2), ARID1A, EP300'', and ''ASXL3''<ref name=":2" />.
 
Similarly, a 2015 study by Lee'', et al'' reported that histone modification-related genes, including ''BCOR'' and ''KMT2D (MLL2),'' accounted for 38.2% of 34 ENKTL samples by next-generation sequencing<ref name=":4" />.


==Genes and Main Pathways Involved==
==Genes and Main Pathways Involved==
 
[https://ashpublications.org/blood/article/115/6/1226/26917/Gene-expression-profiling-identifies-emerging Huang, ''et al''] described deregulation of several signaling pathways in NK T-cell lymphoma, main ones listed below<ref name=":13" />. A review by [https://jhoonline.biomedcentral.com/articles/10.1186/s13045-019-0716-7 De Mel, ''et al''], also outlines key molecular pathways involved in the pathogenesis of ENKTL<ref name=":15">{{Cite journal|last=de Mel|first=Sanjay|last2=Hue|first2=Susan Swee-Shan|last3=Jeyasekharan|first3=Anand D.|last4=Chng|first4=Wee-Joo|last5=Ng|first5=Siok-Bian|date=2019-04-02|title=Molecular pathogenic pathways in extranodal NK/T cell lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/30935402|journal=Journal of Hematology & Oncology|volume=12|issue=1|pages=33|doi=10.1186/s13045-019-0716-7|issn=1756-8722|pmc=6444858|pmid=30935402}}</ref>.
Put your text here and fill in the table <span style="color:#0070C0">(''Instructions: Can include references in the table.'')</span>
{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
!Gene; Genetic Alteration!!Pathway!!Pathophysiologic Outcome
!Gene; Genetic Alteration!!Pathway!!Pathophysiologic Outcome
|-
|-
|EXAMPLE: BRAF and MAP2K1; Activating mutations
|''JAK3'', ''STAT3'', and ''STAT5B''; Activating mutations<ref name=":13" /><ref name=":15" />
|EXAMPLE: MAPK signaling
|JAK/STAT pathway
|EXAMPLE: Increased cell growth and proliferation
|Increased cell growth and proliferation
|-
|''MYC, RUNX3''<ref name=":15" />
|MYC
|Increased cell proliferation and survival
|-
|''AKT'' and related genes<ref name=":13" />
|AKT pathway
|Increased cell growth, proliferation and survival
|-
|NF-κB related genes<ref name=":13" /><ref name=":15" />
|NF-κB pathway
|Increased cell proliferation
|-
|''PDGFRA''<ref name=":13" /><ref name=":15" />
|PDGF pathway
|Increased cell proliferation and survival
|-
|-
|EXAMPLE: CDKN2A; Inactivating mutations
|''NOTCH1''<ref name=":15" />
|EXAMPLE: Cell cycle regulation
|NOTCH1 pathway
|EXAMPLE: Unregulated cell division
|Increased cell proliferation
|-
|-
|EXAMPLE:  KMT2C and ARID1A; Inactivating mutations
|AURKA<ref name=":15" />
|EXAMPLE:  Histone modification, chromatin remodeling
|Aurora kinase pathway<ref name=":12" />
|EXAMPLE:  Abnormal gene expression program
|Increased cell proliferation and cell cycle dysregulation
|}
|}
==Genetic Diagnostic Testing Methods==
==Genetic Diagnostic Testing Methods==


Put your text here
*Select cases may require TCR gene rearrangement studies; otherwise, not routinely performed.
*EBV PCR testing may be used for disease monitoring


==Familial Forms==
==Familial Forms==


Put your text here <span style="color:#0070C0">(''Instructions: Include associated hereditary conditions/syndromes that cause this entity or are caused by this entity.'') </span>
N/A


==Additional Information==
==Additional Information==
[[File:Extranodal NK T-cell lymphoma, nasal type.png|thumb|Extranodal NK T-cell lymphoma, nasal type (HPS). Angiocentric and angiodestructive growth pattern.]]This disease is <u>defined/characterized</u> as detailed below:
*Lymphoma of NK or T-cell lineage strongly associated with Epstein-Barr virus<ref name=":6">{{Cite journal|last=Jaffe|first=E. S.|last2=Krenacs|first2=L.|last3=Kumar|first3=S.|last4=Kingma|first4=D. W.|last5=Raffeld|first5=M.|date=1999-01|title=Extranodal peripheral T-cell and NK-cell neoplasms|url=https://pubmed.ncbi.nlm.nih.gov/9894469|journal=American Journal of Clinical Pathology|volume=111|issue=1 Suppl 1|pages=S46–55|issn=0002-9173|pmid=9894469}}</ref>. The lineage (NK or T-cell) has no clinical significance<ref name=":16">{{Cite journal|last=Wang|first=Hua|last2=Fu|first2=Bi-Bo|last3=Gale|first3=Robert Peter|last4=Liang|first4=Yang|date=2021-09|title=NK-/T-cell lymphomas|url=https://pubmed.ncbi.nlm.nih.gov/34117356|journal=Leukemia|volume=35|issue=9|pages=2460–2468|doi=10.1038/s41375-021-01313-2|issn=1476-5551|pmc=8410593|pmid=34117356}}</ref>.
*Divided into nasal and non-nasal types, the latter most often occurring in the skin and intestinal tract<ref name=":5">Chan J. K. C., et al., (2017). Extranodal NK/T-cell lymphoma, nasal type, in World Health Organization Classification of Tumours of Haematopoietic and Lymphoid Tissues, Revised 4th edition. Swerdlow SH, Campo E, Harris NL, Jaffe ES, Pileri SA, Stein H, Thiele J, Arber DA, Hasserjian RP, Le Beau MM, Orazi A, and Siebert R, Editors. Revised 4th Edition. IARC Press: Lyon, France, p.368-371.</ref><ref name=":6" />.
*It is a destructive angiocentric disease characterized by vascular destruction and necrosis<ref name=":17">{{Cite journal|last=Aviles|first=A.|last2=Rodriguez|first2=L.|last3=Guzman|first3=R.|last4=Talavera|first4=A.|last5=Garcia|first5=E. L.|last6=Diaz-Maqueo|first6=J. C.|date=1992|title=Angiocentric T-cell lymphoma of the nose, paranasal sinuses and hard palate|url=https://pubmed.ncbi.nlm.nih.gov/1398510|journal=Hematological Oncology|volume=10|issue=3-4|pages=141–147|doi=10.1002/hon.2900100303|issn=0278-0232|pmid=1398510}}</ref>.
*Differential diagnosis: sinonasal carcinomas and other lymphomas of the nasal cavity, such as diffuse large B-cell lymphoma<ref name=":18">{{Cite journal|last=Steele|first=Toby O.|last2=Buniel|first2=Maria C.|last3=Mace|first3=Jess C.|last4=El Rassi|first4=Edward|last5=Smith|first5=Timothy L.|date=2016-09|title=Lymphoma of the nasal cavity and paranasal sinuses: A case series|url=https://pubmed.ncbi.nlm.nih.gov/27657899|journal=American Journal of Rhinology & Allergy|volume=30|issue=5|pages=335–339|doi=10.2500/ajra.2016.30.4347|issn=1945-8932|pmid=27657899}}</ref>.
The <u>epidemiology/prevalence</u> of this disease is detailed below:
*Most prevalent in East Asia and Latin America.
*Represents less than 1% of non-Hodgkin lymphomas in the United States
**Highest incidence among Asian Pacific Islanders and Hispanic populations<ref name=":19">{{Cite journal|last=Haverkos|first=Bradley M.|last2=Pan|first2=Zenggang|last3=Gru|first3=Alejandro A.|last4=Freud|first4=Aharon G.|last5=Rabinovitch|first5=Rachel|last6=Xu-Welliver|first6=Meng|last7=Otto|first7=Brad|last8=Barrionuevo|first8=Carlos|last9=Baiocchi|first9=Robert A.|date=2016-12|title=Extranodal NK/T-cell lymphoma, nasal type (ENKTL-NT): An update on epidemiology, clinical presentation, and natural history in North American and European cases|url=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5199232/|journal=Current hematologic malignancy reports|volume=11|issue=6|pages=514–527|doi=10.1007/s11899-016-0355-9|issn=1558-8211|pmc=5199232|pmid=27778143}}</ref>.


Put your text here
The <u>clinical features</u> of this disease are detailed below: [[File:Extranodal NK T-cell lymphoma, nasal type.vsi(17.8X) snapshot.png|thumb|Extranodal NK T-cell lymphoma, nasal type (HPS). Angiocentric and angiodestructive growth pattern.]]
 
Signs and symptoms - Nasal mass, nasal obstruction, nasal bleeding; Hoarseness, dysphagia, halitosis, airway obstruction, dysphonia; Abdominal pain, GI bleeding, bowel perforation<ref name=":0">Thida AM, Gohari P. Extranodal NK-Cell Lymphoma. [Updated 2023 Jul 17]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-. Available from: <nowiki>https://www.ncbi.nlm.nih.gov/books/NBK559207/</nowiki></ref>; B symptoms (fever, weight loss, night sweats) associated with higher clinical stage<ref name=":20">{{Cite journal|last=Takahara|first=Miki|last2=Kumai|first2=Takumi|last3=Kishibe|first3=Kan|last4=Nagato|first4=Toshihiro|last5=Harabuchi|first5=Yasuaki|date=2021-06-25|title=Extranodal NK/T-Cell Lymphoma, Nasal Type: Genetic, Biologic, and Clinical Aspects with a Central Focus on Epstein-Barr Virus Relation|url=https://pubmed.ncbi.nlm.nih.gov/34202088|journal=Microorganisms|volume=9|issue=7|pages=1381|doi=10.3390/microorganisms9071381|issn=2076-2607|pmc=8304202|pmid=34202088}}</ref>
 
Laboratory findings - No specific findings; Cytopenias
 
The <u>sites of involvement</u> of this disease are detailed below:
 
*Most are nasal type involving the upper aerodigestive tract
*Extranasal type may involve skin, testis, and gastrointestinal tract<ref name=":0" />.
*Bone marrow involvement is uncommon<ref name=":21">{{Cite journal|last=Wong|first=K. F.|last2=Chan|first2=J. K.|last3=Cheung|first3=M. M.|last4=So|first4=J. C.|date=2001-02|title=Bone marrow involvement by nasal NK cell lymphoma at diagnosis is uncommon|url=https://pubmed.ncbi.nlm.nih.gov/11211616|journal=American Journal of Clinical Pathology|volume=115|issue=2|pages=266–270|doi=10.1309/E5PR-6A9R-Q02N-8QVW|issn=0002-9173|pmid=11211616}}</ref>.
 
The <u>morphologic features</u> of this disease are detailed below:
 
*Diffuse infiltrate composed of admixture of small, medium, or large and anaplastic cells.
*Cells have irregularly folded nuclei and moderate pale cytoplasm.
*Loss of mucosal glands.
*Angiocentric and angiodestructive growth pattern with coagulative necrosis.
*Usually see apoptotic cells and mitotic figures[[File:IHC NKTCL.png|thumb|Extranodal NK T-cell lymphoma stained with CD2 (top left), CD56 (red chromogen; top right), EBER in-situ hybridization (bottom left) and TIA1 (bottom right).]]
 
The pitfalls can include:
 
*Mucosal ulceration and superimposed inflammation can mimic an inflammatory process, particularly in less aggressive cases<ref name=":22">Devins, K., Schuster, S.J., Caponetti, G.C. ''et al.'' Rare case of low-grade extranodal NK/T-cell lymphoma, nasal type, arising in the setting of chronic rhinosinusitis and harboring a novel N-terminal ''KIT'' mutation. ''Diagn Pathol'' 13, 92 (2018). <nowiki>https://doi.org/10.1186/s13000-018-0765-1</nowiki></ref>.
*Pseudoepitheliomatous hyperplasia of the overlying mucosal epithelium can mimic squamous cell carcinoma<ref name=":23">{{Cite journal|last=Ling|first=Yi-Hong|last2=Zhu|first2=Chong-Mei|last3=Wen|first3=Shi-Hong|last4=Luo|first4=Rong-Zhen|last5=Li|first5=Peng|last6=Cao|first6=Yun|last7=Rao|first7=Hui-Lan|last8=Lin|first8=Su-Xia|last9=Cai|first9=Mu-Yan|date=2015-09|title=Pseudoepitheliomatous hyperplasia mimicking invasive squamous cell carcinoma in extranodal natural killer/T-cell lymphoma: a report of 34 cases|url=https://pubmed.ncbi.nlm.nih.gov/25619876|journal=Histopathology|volume=67|issue=3|pages=404–409|doi=10.1111/his.12656|issn=1365-2559|pmid=25619876}}</ref><ref name=":24">{{Cite journal|last=Xiang|first=Chun-Xiang|last2=Chen|first2=Zi-Hang|last3=Zhao|first3=Sha|last4=Gao|first4=Li-Min|last5=Tao|first5=Qing|last6=Zuo|first6=Zhuo|last7=Liu|first7=Xiao-Yu|last8=Liu|first8=Wei-Ping|date=2019-07|title=Laryngeal Extranodal Nasal-type Natural Killer/T-cell Lymphoma: A Clinicopathologic Study of 31 Cases in China|url=https://pubmed.ncbi.nlm.nih.gov/31045893|journal=The American Journal of Surgical Pathology|volume=43|issue=7|pages=995–1004|doi=10.1097/PAS.0000000000001266|issn=1532-0979|pmid=31045893}}</ref>.
 
The <u>immunophenotype</u> of this disease is detailed below:
 
Positive (universal) - EBER / EBV
 
Positive (majority) - cytoplasmic CD3ε, CD2, CD56, granzyme B, and TIA-1
 
Positive (subset) - TCR αβ/γδ, HLA-DR, CD25, pSTAT3, CXCL13, IRF4/MUM1, CD16, Fas, FasL, MATK, CD30<ref name=":25">{{Cite journal|last=Li|first=Shaoying|last2=Feng|first2=Xiaoli|last3=Li|first3=Ting|last4=Zhang|first4=Shuang|last5=Zuo|first5=Zhuang|last6=Lin|first6=Pei|last7=Konoplev|first7=Sergej|last8=Bueso-Ramos|first8=Carlos E.|last9=Vega|first9=Francisco|date=2013-01|title=Extranodal NK/T-cell lymphoma, nasal type: a report of 73 cases at MD Anderson Cancer Center|url=https://pubmed.ncbi.nlm.nih.gov/23232851|journal=The American Journal of Surgical Pathology|volume=37|issue=1|pages=14–23|doi=10.1097/PAS.0b013e31826731b5|issn=1532-0979|pmid=23232851}}</ref><ref name=":26">{{Cite journal|last=Jhuang|first=Jie-Yang|last2=Chang|first2=Sheng-Tsung|last3=Weng|first3=Shih-Feng|last4=Pan|first4=Shien-Tung|last5=Chu|first5=Pei-Yi|last6=Hsieh|first6=Pin-Pen|last7=Wei|first7=Chih-Hsin|last8=Chou|first8=Shih-Cheng|last9=Koo|first9=Chiew-Loon|date=2015-02|title=Extranodal natural killer/T-cell lymphoma, nasal type in Taiwan: a relatively higher frequency of T-cell lineage and poor survival for extranasal tumors|url=https://pubmed.ncbi.nlm.nih.gov/25554090|journal=Human Pathology|volume=46|issue=2|pages=313–321|doi=10.1016/j.humpath.2014.11.008|issn=1532-8392|pmid=25554090}}</ref><ref name=":27">{{Cite journal|last=Pongpruttipan|first=Tawatchai|last2=Sukpanichnant|first2=Sanya|last3=Assanasen|first3=Thamathorn|last4=Wannakrairot|first4=Pongsak|last5=Boonsakan|first5=Paisarn|last6=Kanoksil|first6=Wasana|last7=Kayasut|first7=Kanita|last8=Mitarnun|first8=Winyou|last9=Khuhapinant|first9=Archrob|date=2012-04|title=Extranodal NK/T-cell lymphoma, nasal type, includes cases of natural killer cell and αβ, γδ, and αβ/γδ T-cell origin: a comprehensive clinicopathologic and phenotypic study|url=https://pubmed.ncbi.nlm.nih.gov/22314189|journal=The American Journal of Surgical Pathology|volume=36|issue=4|pages=481–499|doi=10.1097/PAS.0b013e31824433d8|issn=1532-0979|pmid=22314189}}</ref><ref name=":28">{{Cite journal|last=Jaffe|first=E. S.|last2=Chan|first2=J. K.|last3=Su|first3=I. J.|last4=Frizzera|first4=G.|last5=Mori|first5=S.|last6=Feller|first6=A. C.|last7=Ho|first7=F. C.|date=1996-01|title=Report of the Workshop on Nasal and Related Extranodal Angiocentric T/Natural Killer Cell Lymphomas. Definitions, differential diagnosis, and epidemiology|url=https://pubmed.ncbi.nlm.nih.gov/8540601|journal=The American Journal of Surgical Pathology|volume=20|issue=1|pages=103–111|doi=10.1097/00000478-199601000-00012|issn=0147-5185|pmid=8540601}}</ref><ref name=":29">{{Cite journal|last=Ohshima|first=K.|last2=Suzumiya|first2=J.|last3=Shimazaki|first3=K.|last4=Kato|first4=A.|last5=Tanaka|first5=T.|last6=Kanda|first6=M.|last7=Kikuchi|first7=M.|date=1997-11|title=Nasal T/NK cell lymphomas commonly express perforin and Fas ligand: important mediators of tissue damage|url=https://pubmed.ncbi.nlm.nih.gov/9416485|journal=Histopathology|volume=31|issue=5|pages=444–450|doi=10.1046/j.1365-2559.1997.2880887.x|issn=0309-0167|pmid=9416485}}</ref><ref name=":30">{{Cite journal|last=Takata|first=Katsuyoshi|last2=Hong|first2=Min-Eui|last3=Sitthinamsuwan|first3=Panitta|last4=Loong|first4=Florence|last5=Tan|first5=Soo-Yong|last6=Liau|first6=Jau-Yu|last7=Hsieh|first7=Pin-Pen|last8=Ng|first8=Siok-Bian|last9=Yang|first9=Sheau-Fang|date=2015-01|title=Primary cutaneous NK/T-cell lymphoma, nasal type and CD56-positive peripheral T-cell lymphoma: a cellular lineage and clinicopathologic study of 60 patients from Asia|url=https://pubmed.ncbi.nlm.nih.gov/25188863|journal=The American Journal of Surgical Pathology|volume=39|issue=1|pages=1–12|doi=10.1097/PAS.0000000000000312|issn=1532-0979|pmid=25188863}}</ref><ref name=":31">{{Cite journal|last=Kuo|first=Tseng-Tong|last2=Shih|first2=Lee-Yung|last3=Tsang|first3=Ngan-Ming|date=2004-10|title=Nasal NK/T cell lymphoma in Taiwan: a clinicopathologic study of 22 cases, with analysis of histologic subtypes, Epstein-Barr virus LMP-1 gene association, and treatment modalities|url=https://pubmed.ncbi.nlm.nih.gov/15494863|journal=International Journal of Surgical Pathology|volume=12|issue=4|pages=375–387|doi=10.1177/106689690401200410|issn=1066-8969|pmid=15494863}}</ref>
 
Negative (universal) - CD4, CD8
 
Negative (subset) - Surface CD3 (subset of T-cell lineage)<ref name=":0" />


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