HAEM5:Myeloid/lymphoid neoplasms with other tyrosine kinase fusion genes: Difference between revisions
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{{DISPLAYTITLE:Myeloid/lymphoid neoplasms with other tyrosine kinase fusion genes}} | {{DISPLAYTITLE:Myeloid/lymphoid neoplasms with other tyrosine kinase fusion genes}} | ||
[[HAEM5:Table_of_Contents|Haematolymphoid Tumours (WHO Classification, 5th ed.)]] | [[HAEM5:Table_of_Contents|Haematolymphoid Tumours (WHO Classification, 5th ed.)]] | ||
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Put your text here<span style="color:#0070C0"> ( | Put your text here<span style="color:#0070C0"> (Rolando Garcia, PhD) </span> | ||
==WHO Classification of Disease== | ==WHO Classification of Disease== | ||
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|WHO Essential Criteria (Genetics)* | |WHO Essential Criteria (Genetics)* | ||
| | |Detection of a tyrosine kinase fusion gene not classified under specific unique entities (''PDGFRA, PDGFRB, FGFR1, JAK2, FLT3, ETV6::ABL1''). | ||
|- | |- | ||
|WHO Desirable Criteria (Genetics)* | |WHO Desirable Criteria (Genetics)* | ||
| | |Cytogenetic translocation suggesting a potential involvement of a tyrosine kinase gene, with selection of a FISH break-apart probe or another molecular assay for confirmation. | ||
|- | |- | ||
|Other Classification | |Other Classification | ||
| | |Other desirable criteria: Presence of eosinophilia. | ||
|} | |} | ||
<nowiki>*</nowiki>Note: These are only the genetic/genomic criteria. Additional diagnostic criteria can be found in the [https://tumourclassification.iarc.who.int/home <u>WHO Classification of Tumours</u>]. | <nowiki>*</nowiki>Note: These are only the genetic/genomic criteria. Additional diagnostic criteria can be found in the [https://tumourclassification.iarc.who.int/home <u>WHO Classification of Tumours</u>]. | ||
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|Acceptable | |Acceptable | ||
| | |Myeloid/lymphoid neoplasms with other tyrosine kinase fusion genes, Other and unspecified myeloproliferative neoplasms. | ||
|- | |- | ||
|Not Recommended | |Not Recommended | ||
| | |Myeloid/lymphoid neoplasms with tyrosine kinase fusion genes (NOS). | ||
|} | |} | ||
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!Clinical Relevance Details/Other Notes | !Clinical Relevance Details/Other Notes | ||
|- | |- | ||
| | |''ETV6''||''ETV6::FGFR2'' <ref>{{Cite journal|last=Carll|first=Timothy|last2=Patel|first2=Anand|last3=Derman|first3=Benjamin|last4=Hyjek|first4=Elizabeth|last5=Lager|first5=Angela|last6=Wanjari|first6=Pankhuri|last7=Segal|first7=Jeremy|last8=Odenike|first8=Olatoyosi|last9=Fidai|first9=Shiraz|date=2020-10-13|title=Diagnosis and treatment of mixed phenotype (T-myeloid/lymphoid) acute leukemia with novel ETV6-FGFR2 rearrangement|url=https://pubmed.ncbi.nlm.nih.gov/33049052|journal=Blood Advances|volume=4|issue=19|pages=4924–4928|doi=10.1182/bloodadvances.2019001282|issn=2473-9537|pmc=7556145|pmid=33049052}}</ref>||Fusion between exon 4 of ''ETV6'' (upstream) and exon 5 of ''FGFR2'' (downstream).||Cryptic rearrangement detected by FISH involving chromosomes 10 and 12 | ||
|< | |Rare < 5% | ||
| | |D, P, T | ||
| | |Yes (WHO) | ||
|<span class="blue-text">EXAMPLE:</span> | |<span class="blue-text">EXAMPLE:</span> | ||
The | |||
This fusion suggests abnormal FGFR2 expression. Aberrant The ''FGFR2'' activation resulting from ''ETV6::FGFR2'' may respond to ''FGFR1,2,3'' tyrosine kinase inhibitors (TKIs). <ref>{{Cite journal|last=Katoh|first=Masaru|date=2019-02|title=Fibroblast growth factor receptors as treatment targets in clinical oncology|url=https://pubmed.ncbi.nlm.nih.gov/30367139|journal=Nature Reviews. Clinical Oncology|volume=16|issue=2|pages=105–122|doi=10.1038/s41571-018-0115-y|issn=1759-4782|pmid=30367139}}</ref> This rearrangement exhibited aggressive clinical behavior, demonstrating resistance to both conventional and intensive chemotherapy, as well as allogeneic stem cell transplantation.<ref>{{Cite journal|last=Carll|first=Timothy|last2=Patel|first2=Anand|last3=Derman|first3=Benjamin|last4=Hyjek|first4=Elizabeth|last5=Lager|first5=Angela|last6=Wanjari|first6=Pankhuri|last7=Segal|first7=Jeremy|last8=Odenike|first8=Olatoyosi|last9=Fidai|first9=Shiraz|date=2020-10-13|title=Diagnosis and treatment of mixed phenotype (T-myeloid/lymphoid) acute leukemia with novel ETV6-FGFR2 rearrangement|url=https://pubmed.ncbi.nlm.nih.gov/33049052|journal=Blood Advances|volume=4|issue=19|pages=4924–4928|doi=10.1182/bloodadvances.2019001282|issn=2473-9537|pmc=7556145|pmid=33049052}}</ref> | |||
|- | |- | ||
| | |''ETV6'' | ||
|< | |''ETV6::LYN'' <ref>{{Cite journal|last=Telford|first=N.|last2=Alexander|first2=S.|last3=McGinn|first3=O. J.|last4=Williams|first4=M.|last5=Wood|first5=K. M.|last6=Bloor|first6=A.|last7=Saha|first7=V.|date=2016-04-08|title=Myeloproliferative neoplasm with eosinophilia and T-lymphoblastic lymphoma with ETV6-LYN gene fusion|url=https://pubmed.ncbi.nlm.nih.gov/27058227|journal=Blood Cancer Journal|volume=6|issue=4|pages=e412|doi=10.1038/bcj.2016.11|issn=2044-5385|pmc=4855251|pmid=27058227}}</ref> | ||
|<span class="blue-text">EXAMPLE:</span> Typically, the last exon of ''CIC'' is fused to ''DUX4''. The fusion breakpoint in ''CIC'' is usually intra-exonic and removes an inhibitory sequence, upregulating ''PEA3'' genes downstream of ''CIC'' including ''ETV1'', ''ETV4'', and ''ETV5''. | |<span class="blue-text">EXAMPLE:</span> Typically, the last exon of ''CIC'' is fused to ''DUX4''. The fusion breakpoint in ''CIC'' is usually intra-exonic and removes an inhibitory sequence, upregulating ''PEA3'' genes downstream of ''CIC'' including ''ETV1'', ''ETV4'', and ''ETV5''. | ||
|<span class="blue-text">EXAMPLE:</span> t(4;19)(q25;q13) | |<span class="blue-text">EXAMPLE:</span> t(4;19)(q25;q13) | ||
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<nowiki>*</nowiki>''Citation of this Page'': “Myeloid/lymphoid neoplasms with other tyrosine kinase fusion genes”. Compendium of Cancer Genome Aberrations (CCGA), Cancer Genomics Consortium (CGC), updated {{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}, <nowiki>https://ccga.io/index.php/HAEM5:Myeloid/lymphoid_neoplasms_with_other_tyrosine_kinase_fusion_genes</nowiki>. | <nowiki>*</nowiki>''Citation of this Page'': “Myeloid/lymphoid neoplasms with other tyrosine kinase fusion genes”. Compendium of Cancer Genome Aberrations (CCGA), Cancer Genomics Consortium (CGC), updated {{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}, <nowiki>https://ccga.io/index.php/HAEM5:Myeloid/lymphoid_neoplasms_with_other_tyrosine_kinase_fusion_genes</nowiki>. | ||
[[Category:HAEM5]][[Category:DISEASE]][[Category:Diseases M]] | [[Category:HAEM5]] | ||
[[Category:DISEASE]] | |||
[[Category:Diseases M]] | |||
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