Compendium of Cancer Genome Aberrations

HAEM5:Acute myeloid leukaemia with maturation: Difference between revisions

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<blockquote class='blockedit'>{{Box-round|title=Content Update To WHO 5th Edition Classification Is In Process; Content Below is Based on WHO 4th Edition Classification|This page was converted to the new template on 2023-12-07. The original page can be found at [[HAEM4:Acute Myeloid Leukemia (AML) with Maturation]].
<blockquote class="blockedit">{{Box-round|title=Content Update To WHO 5th Edition Classification Is In Process; Content Below is Based on WHO 4th Edition Classification|This page was converted to the new template on 2023-12-07. The original page can be found at [[HAEM4:Acute Myeloid Leukemia (AML) with Maturation]].
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Jennelle C. Hodge, PhD, FACMG
Jennelle C. Hodge, PhD, FACMG
__TOC__
==WHO Classification of Disease==
==WHO Classification of Disease==


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==Definition / Description of Disease==
==Related Terminology==
 
This is a distinct entity in the World Health Organization (WHO) classification system within the section of [[HAEM4:Acute Myeloid Leukemia (AML), Not Otherwise Specified]]<ref name=":0">Arber DA, et al., (2017). Acute myeloid leukaemia with recurrent genetic abnormalities, 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. IARC Press: Lyon, France, p158-159.</ref>.  This entity does ''not'' meet the criteria for inclusion in any of the other AML groups (i.e. AML with Recurrent Genetic Abnormalities, AML with Myelodysplasia-Related Changes, or Therapy-Related Myeloid Neoplasms).  There is currently no known recurrent chromosomal abnormality associated with this entity<ref name=":0" />.
 
==Synonyms / Terminology==
 
American-British (FAB) classification M2<ref name=":0" />.
 
==Epidemiology / Prevalence==
 
Accounts for 10% of AML, occurring in all ages including 20% in young patients (<25 years old) and 40% in older patients (≥60 years old)<ref name=":0" />.
 
==Clinical Features==
 
Put your text here and fill in the table <span style="color:#0070C0">(''Instruction: Can include references in the table. Do not delete table.'') </span>
{| class="wikitable"
|'''Signs and Symptoms'''
|<span class="blue-text">EXAMPLE:</span> Asymptomatic (incidental finding on complete blood counts)
 
<span class="blue-text">EXAMPLE:</span> B-symptoms (weight loss, fever, night sweats)
 
<span class="blue-text">EXAMPLE:</span> Fatigue
 
<span class="blue-text">EXAMPLE:</span> Lymphadenopathy (uncommon)
|-
|'''Laboratory Findings'''
|<span class="blue-text">EXAMPLE:</span> Cytopenias
 
<span class="blue-text">EXAMPLE:</span> Lymphocytosis (low level)
|}
 
 
<blockquote class='blockedit'>{{Box-round|title=v4:Clinical Features|The content below was from the old template. Please incorporate above.}}</blockquote>
 
Usually presents with symptoms of bone marrow failure, including anemia, thrombocytopenia and neutropenia.  There is also variability in the white blood cell and blast counts<ref name=":0" />.
 
<blockquote class="blockedit">
<center><span style="color:Maroon">'''End of V4 Section'''</span>
----
</blockquote>
==Sites of Involvement==
 
Bone marrow, Blood
 
==Morphologic Features==
 
This AML subtype is characterized by the presence of ≥20% blasts in the bone marrow or blood combined with evidence of maturation in the bone marrow; specifically, ≥10% maturing cells of granulocytic lineage and <20% cells of monocyte lineage<ref name=":0" />.  The blasts may or may not have azurophilic granulation but Auer rods and hypercullularity are typically observed.  Bone marrow cell constitution includes ≥10% promyelocytes, myelocytes and mature nuetrophils, as well as elevated eosinophil precursors which lack the cytological or cytochemical abnormalities characteristic of the abnormal eosinophils in [[HAEM5:Acute myeloid leukaemia with CBFB::MYH11 fusion]].  Basophils and mast calls are sometimes increased, and variable dysplasia occurs but ≤50% of cells in two lineages show dysplasia.
 
==Immunophenotype==
 
The characteristic immunophenotype associated with this entity is listed in the table below.  The blasts express one or more of the myeloid-associated antigens, in some cases have a pattern associated with granulocytic differentiation, and typically lack monocytic markers<ref name=":0" />.


{| class="wikitable sortable"
|-
!Finding!!Marker
|-
|Positive (universal)||Myeloid-associated antigens (CD13, CD33, CD65, CD11b, and/or CD15)
|-
|Positive (subset)||KIT(CD117), CD34 and HLA-DR may be present in some blasts
|-
|Negative (universal)||Monocytic markers (CD14, CD36, CD64)
|-
|Negative (subset)||CD7 (20-30%), CD56, CD2, CD19 and CD4 are uncommon (~10%; may be found only in immature blasts)
|}
==WHO Essential and Desirable Genetic Diagnostic Criteria==
<span style="color:#0070C0">(''Instructions: The table will have the diagnostic criteria from the WHO book <u>autocompleted</u>; remove any <u>non</u>-genetics related criteria. If applicable, add text about other classification'' ''systems that define this entity and specify how the genetics-related criteria differ.'')</span>
{| class="wikitable"
|+
|WHO Essential Criteria (Genetics)*
|
|-
|WHO Desirable Criteria (Genetics)*
|
|-
|Other Classification
|
|}
<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>].
==Related Terminology==
<span style="color:#0070C0">(''Instructions: The table will have the related terminology from the WHO <u>autocompleted</u>.)''</span>
{| class="wikitable"
{| class="wikitable"
|+
|+
|Acceptable
|Acceptable
|
|N/A
|-
|-
|Not Recommended
|Not Recommended
|
|Acute myeloid leukaemia, M2
|}
|}


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<blockquote class='blockedit'>{{Box-round|title=v4:Chromosomal Rearrangements (Gene Fusions)|The content below was from the old template. Please incorporate above.}}</blockquote>
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There is currently no known recurrent chromosomal abnormality associated with this entity.
There is currently no known recurrent chromosomal abnormality associated with this entity.
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<blockquote class='blockedit'>{{Box-round|title=v4:Clinical Significance (Diagnosis, Prognosis and Therapeutic Implications).|Please incorporate this section into the relevant tables found in:
<blockquote class="blockedit">{{Box-round|title=v4:Clinical Significance (Diagnosis, Prognosis and Therapeutic Implications).|Please incorporate this section into the relevant tables found in:
* Chromosomal Rearrangements (Gene Fusions)
* Chromosomal Rearrangements (Gene Fusions)
* Individual Region Genomic Gain/Loss/LOH
* Individual Region Genomic Gain/Loss/LOH
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{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
!Chr #!!'''Gain, Loss, Amp, LOH'''!!'''Minimal Region Cytoband and/or Genomic Coordinates [Genome Build; Size]'''!!'''Relevant Gene(s)'''
!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'''
!Diagnostic, Prognostic, and Therapeutic Significance - D, P, T
!'''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>
|<span class="blue-text">EXAMPLE:</span>
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There is currently no known recurrent chromosomal abnormality associated with this entity.
There is currently no known recurrent chromosomal abnormality associated with this entity.
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!Chromosomal Pattern
!Chromosomal Pattern
!Molecular Pathogenesis
!Molecular Pathogenesis
!'''Prevalence -'''
!Prevalence -  
'''Common >20%, Recurrent 5-20% or Rare <5% (Disease)'''
Common >20%, Recurrent 5-20% or Rare <5% (Disease)
!'''Diagnostic, Prognostic, and Therapeutic Significance - D, P, T'''
!Diagnostic, Prognostic, and Therapeutic Significance - D, P, T
!'''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>
|<span class="blue-text">EXAMPLE:</span>
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<blockquote class='blockedit'>{{Box-round|title=v4:Characteristic Chromosomal Aberrations / Patterns|The content below was from the old template. Please incorporate above.}}</blockquote>
<blockquote class="blockedit">{{Box-round|title=v4:Characteristic Chromosomal Aberrations / Patterns|The content below was from the old template. Please incorporate above.}}</blockquote>


There is currently no known recurrent chromosomal abnormality associated with this entity.
There is currently no known recurrent chromosomal abnormality associated with this entity.
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{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
!Gene!!'''Genetic Alteration'''!!'''Tumor Suppressor Gene, Oncogene, Other'''!!'''Prevalence -'''
!Gene!!Genetic Alteration!!Tumor Suppressor Gene, Oncogene, Other!!Prevalence -
'''Common >20%, Recurrent 5-20% or Rare <5% (Disease)'''
Common >20%, Recurrent 5-20% or Rare <5% (Disease)
!'''Diagnostic, Prognostic, and Therapeutic Significance - D, P, T  '''
!Diagnostic, Prognostic, and Therapeutic Significance - D, P, T  
!'''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>''EGFR''
|<span class="blue-text">EXAMPLE:</span>''EGFR''
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|}Note: A more extensive list of mutations can be found in [https://www.cbioportal.org/ <u>cBioportal</u>], [https://cancer.sanger.ac.uk/cosmic <u>COSMIC</u>], 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 [https://www.cbioportal.org/ <u>cBioportal</u>], [https://cancer.sanger.ac.uk/cosmic <u>COSMIC</u>], and/or other databases. When applicable, gene-specific pages within the CCGA site directly link to pertinent external content.


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Currently there is currently no known recurrent gene mutations associated with this entity.
Currently there is currently no known recurrent gene mutations associated with this entity.
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<blockquote class='blockedit'>{{Box-round|title=v4:Genes and Main Pathways Involved|The content below was from the old template. Please incorporate above.}}</blockquote>
<blockquote class="blockedit">{{Box-round|title=v4:Genes and Main Pathways Involved|The content below was from the old template. Please incorporate above.}}</blockquote>


Unknown
Unknown
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(use the "Cite" icon at the top of the page) <span style="color:#0070C0">(''Instructions: Add each reference into the text above by clicking where you want to insert the reference, selecting the “Cite” icon at the top of the wiki page, and using the “Automatic” tab option to search by PMID to select the reference to insert. If a PMID is not available, such as for a book, please use the “Cite” icon, select “Manual” and then “Basic Form”, and include the entire reference. To insert the same reference again later in the page, select the “Cite” icon and “Re-use” to find the reference; DO NOT insert the same reference twice using the “Automatic” tab as it will be treated as two separate references. The reference list in this section will be automatically generated and sorted''</span><span style="color:#0070C0">''.''</span><span style="color:#0070C0">)</span> <references />
(use the "Cite" icon at the top of the page) <span style="color:#0070C0">(''Instructions: Add each reference into the text above by clicking where you want to insert the reference, selecting the “Cite” icon at the top of the wiki page, and using the “Automatic” tab option to search by PMID to select the reference to insert. If a PMID is not available, such as for a book, please use the “Cite” icon, select “Manual” and then “Basic Form”, and include the entire reference. To insert the same reference again later in the page, select the “Cite” icon and “Re-use” to find the reference; DO NOT insert the same reference twice using the “Automatic” tab as it will be treated as two separate references. The reference list in this section will be automatically generated and sorted''</span><span style="color:#0070C0">''.''</span><span style="color:#0070C0">)</span> <references />


'''
<br />


==Notes==
==Notes==
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<nowiki>*</nowiki>''Citation of this Page'': “Acute myeloid leukaemia with maturation”. Compendium of Cancer Genome Aberrations (CCGA), Cancer Genomics Consortium (CGC), updated {{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}, <nowiki>https://ccga.io/index.php/HAEM5:Acute_myeloid_leukaemia_with_maturation</nowiki>.
<nowiki>*</nowiki>''Citation of this Page'': “Acute myeloid leukaemia with maturation”. Compendium of Cancer Genome Aberrations (CCGA), Cancer Genomics Consortium (CGC), updated {{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}, <nowiki>https://ccga.io/index.php/HAEM5:Acute_myeloid_leukaemia_with_maturation</nowiki>.
[[Category:HAEM5]][[Category:DISEASE]][[Category:Diseases A]]
[[Category:HAEM5]]
[[Category:DISEASE]]
[[Category:Diseases A]]
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