HAEM5:Acute myeloid leukaemia with CBFB::MYH11 fusion: Difference between revisions
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{{DISPLAYTITLE:Acute myeloid leukaemia with CBFB::MYH11 fusion}} | {{DISPLAYTITLE:Acute myeloid leukaemia with CBFB::MYH11 fusion}} | ||
[[HAEM5:Table_of_Contents|Haematolymphoid Tumours (WHO Classification, 5th ed.)]] | [[HAEM5:Table_of_Contents|Haematolymphoid Tumours (WHO Classification, 5th ed.)]] | ||
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<br> | <br> | ||
Beth Israel Deaconess Medical Center, Boston, MA | Beth Israel Deaconess Medical Center, Boston, MA | ||
==WHO Classification of Disease== | ==WHO Classification of Disease== | ||
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|} | |} | ||
==Related Terminology== | ==Related Terminology== | ||
{| class="wikitable" | {| class="wikitable" | ||
|+ | |+ | ||
|Acceptable | |Acceptable | ||
| | |Acute myeloid leukaemia with CBFB rearrangement; acute myeloid leukaemia with t(16;16)(p13.1;q22); acute myeloid leukaemia with inv(16)(p13.1q22) | ||
|- | |- | ||
|Not Recommended | |Not Recommended | ||
| | |N/A | ||
|} | |} | ||
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|} | |} | ||
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* | |||
{| class="wikitable sortable" | {| class="wikitable sortable" | ||
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*Standard induction 7 + 3 chemotherapy regimen of cytarabine for 7 days plus an anthracycline or anthracenedione for 3 days. In first complete remission patients younger than 60 years without a KIT mutation are treated with at least three courses of high dose cytarabine. If a ''KIT'' mutation is present, bone marrow transplant is performed in first complete remission<ref>{{Cite journal|last=Yoon|first=J.-H.|last2=Kim|first2=H.-J.|last3=Kim|first3=J.-W.|last4=Jeon|first4=Y.-W.|last5=Shin|first5=S.-H.|last6=Lee|first6=S.-E.|last7=Cho|first7=B.-S.|last8=Eom|first8=K.-S.|last9=Kim|first9=Y.-J.|date=2014-12|title=Identification of molecular and cytogenetic risk factors for unfavorable core-binding factor-positive adult AML with post-remission treatment outcome analysis including transplantation|url=https://pubmed.ncbi.nlm.nih.gov/25111512|journal=Bone Marrow Transplantation|volume=49|issue=12|pages=1466–1474|doi=10.1038/bmt.2014.180|issn=1476-5365|pmid=25111512}}</ref>. Other therapies under investigation include gemtuzumab ozogamicin, histone deacetylase inhibitors, DNA methyl transferase inhibitors, proteasome inhibition and tyrosine kinase inhibitors<ref name=":1" />. | *Standard induction 7 + 3 chemotherapy regimen of cytarabine for 7 days plus an anthracycline or anthracenedione for 3 days. In first complete remission patients younger than 60 years without a KIT mutation are treated with at least three courses of high dose cytarabine. If a ''KIT'' mutation is present, bone marrow transplant is performed in first complete remission<ref>{{Cite journal|last=Yoon|first=J.-H.|last2=Kim|first2=H.-J.|last3=Kim|first3=J.-W.|last4=Jeon|first4=Y.-W.|last5=Shin|first5=S.-H.|last6=Lee|first6=S.-E.|last7=Cho|first7=B.-S.|last8=Eom|first8=K.-S.|last9=Kim|first9=Y.-J.|date=2014-12|title=Identification of molecular and cytogenetic risk factors for unfavorable core-binding factor-positive adult AML with post-remission treatment outcome analysis including transplantation|url=https://pubmed.ncbi.nlm.nih.gov/25111512|journal=Bone Marrow Transplantation|volume=49|issue=12|pages=1466–1474|doi=10.1038/bmt.2014.180|issn=1476-5365|pmid=25111512}}</ref>. Other therapies under investigation include gemtuzumab ozogamicin, histone deacetylase inhibitors, DNA methyl transferase inhibitors, proteasome inhibition and tyrosine kinase inhibitors<ref name=":1" />. | ||
|} | |}[[File:t(16;16)(p13.1;q22).png|t(16;16)(p13.1;q22)|frame|alt=|left]] [[File:inv(16)(p13.1q22).png|inv(16)(p13.1q22)|frame|alt=|left]] [[File:Inv(16)(p13.1q22) karyogram and insert (8-7-18).png|inv(16)(p13.1q22). Courtesy of Karen Kundinger, Comprehensive Genetic Services, Milwaukee, WI|frame|alt=|none]] | ||
inv(16)(p13.1q22), a pericentric inversion of chromosome 16, and the less common t(16;16)(p13.1;q22), a translocation involving the short arm of one chromosome 16 and the long arm of the other chromosome 16, define a distinctive cytogenetic subtype of acute myeloid leukemia. Both of these chromosome rearrangements result in the CBFB-MYH11 gene fusion. | |||
* | |||
==Individual Region Genomic Gain/Loss/LOH== | ==Individual Region Genomic Gain/Loss/LOH== | ||
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{| class="wikitable sortable" | {| class="wikitable sortable" | ||
|- | |- | ||
!Chr #!! | !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 | ||
|- | |- | ||
|<span class="blue-text">EXAMPLE:</span> | |<span class="blue-text">EXAMPLE:</span> | ||
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!Chromosomal Pattern | !Chromosomal Pattern | ||
!Molecular Pathogenesis | !Molecular Pathogenesis | ||
! | !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 | ||
|- | |- | ||
|<span class="blue-text">EXAMPLE:</span> | |<span class="blue-text">EXAMPLE:</span> | ||
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{| class="wikitable sortable" | {| class="wikitable sortable" | ||
|- | |- | ||
!Gene!! | !Gene!!Genetic Alteration!!Tumor Suppressor Gene, Oncogene, Other!!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 | ||
|- | |- | ||
|<span class="blue-text">EXAMPLE:</span>''EGFR'' | |<span class="blue-text">EXAMPLE:</span>''EGFR'' | ||
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{| class="wikitable sortable" | {| class="wikitable sortable" | ||
|- | |- | ||
!Gene; Genetic Alteration!! | !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) | ||
!Prognostic Significance (Yes, No or Unknown) | !Prognostic Significance (Yes, No or Unknown) | ||
!Therapeutic Significance (Yes, No or Unknown) | !Therapeutic Significance (Yes, No or Unknown) | ||
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The <u>epidemiology/prevalence</u> of this disease is detailed below: | The <u>epidemiology/prevalence</u> of this disease is detailed below: | ||
* Approximately 5-8% of AML cases have inv(16)(p13.1q22) or t(16;16)(p13.1;q22). More common in males and younger adults. | *Approximately 5-8% of AML cases have inv(16)(p13.1q22) or t(16;16)(p13.1;q22). More common in males and younger adults. | ||
The <u>clinical features</u> of this disease are detailed below: | The <u>clinical features</u> of this disease are detailed below: | ||
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The <u>sites of involvement</u> of this disease are detailed below: | The <u>sites of involvement</u> of this disease are detailed below: | ||
* Bone marrow | *Bone marrow | ||
The <u>morphologic features</u> of this disease are detailed below: | The <u>morphologic features</u> of this disease are detailed below: | ||
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*populations with granulocytic differentiation positive for CD13, CD33, CD15, CD65 and MPO | *populations with granulocytic differentiation positive for CD13, CD33, CD15, CD65 and MPO | ||
*populations with monocytic differentiation, positive for CD14, CD4, CD11c, CD11b, CD11c, CD64, CD36 and lysozyme | *populations with monocytic differentiation, positive for CD14, CD4, CD11c, CD11b, CD11c, CD64, CD36 and lysozyme | ||
==Links== | ==Links== | ||