Difference between revisions of "HAEM5:B-lymphoblastic leukaemia/lymphoma"

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(Created page with "{{DISPLAYTITLE:B-lymphoblastic leukaemia/lymphoma}} Haematolymphoid Tumours (5th ed.) {{Under Construction}} <blockquote class='blockedit'>{{Box-...")
 
 
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{{DISPLAYTITLE:B-lymphoblastic leukaemia/lymphoma}}
 
{{DISPLAYTITLE:B-lymphoblastic leukaemia/lymphoma}}
−
[[HAEM5:Table_of_Contents|Haematolymphoid Tumours (5th ed.)]]
+
[[HAEM5:Table_of_Contents|Haematolymphoid Tumours (WHO Classification, 5th ed.)]]
  
 
{{Under Construction}}
 
{{Under Construction}}
  
−
<blockquote class='blockedit'>{{Box-round|title=HAEM5 Conversion Notes|This page was converted to the new template on 2023-11-03. The original page can be found at [[HAEM4:B-Lymphoblastic Leukemia/Lymphoma, Not Otherwise Specified]].
+
<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:B-Lymphoblastic Leukemia/Lymphoma, Not Otherwise Specified]].
 
}}</blockquote>
 
}}</blockquote>
 +
 +
<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); to add (or move) a row or column to a table, click within the table and select the > symbol that appears to be given options. 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>
 +
 
==Primary Author(s)*==
 
==Primary Author(s)*==
  
−
Put your text here<span style="color:#0070C0"> (''Name and affiliation; example:'' Jane Smith, PhD, Institute of Genomics) </span>
+
Put your text here<span style="color:#0070C0"> (''<span class="blue-text">EXAMPLE:</span>'' Jane Smith, PhD) </span>
  
 
__TOC__
 
__TOC__
  
−
==Cancer Category/Type==
+
==WHO Classification of Disease==
  
−
Put your text here
+
{| class="wikitable"
−
 
+
!Structure
−
==Cancer Sub-Classification / Subtype==
+
!Disease
−
 
+
|-
−
Put your text here
+
|Book
 +
|Haematolymphoid Tumours (5th ed.)
 +
|-
 +
|Category
 +
|B-cell lymphoid proliferations and lymphomas
 +
|-
 +
|Family
 +
|Precursor B-cell neoplasms
 +
|-
 +
|Type
 +
|B-lymphoblastic leukaemias/lymphomas
 +
|-
 +
|Subtype(s)
 +
|B-lymphoblastic leukaemia/lymphoma
 +
|}
  
 
==Definition / Description of Disease==
 
==Definition / Description of Disease==
  
−
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>
+
Put your text here <span style="color:#0070C0">(''Instructions: Brief description of approximately one paragraph - include disease context relative to other WHO classification categories, diagnostic criteria if applicable, and differential diagnosis if applicable. Other classifications can be referenced for comparison.'') </span>
  
 
==Synonyms / Terminology==
 
==Synonyms / Terminology==
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==Clinical Features==
 
==Clinical Features==
  
−
Put your text here and fill in the table <span style="color:#0070C0">(''Instruction: Can include references in the table'') </span>
+
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"
 
{| class="wikitable"
 
|'''Signs and Symptoms'''
 
|'''Signs and Symptoms'''
−
|EXAMPLE Asymptomatic (incidental finding on complete blood counts)
+
|<span class="blue-text">EXAMPLE:</span> Asymptomatic (incidental finding on complete blood counts)
  
−
EXAMPLE B-symptoms (weight loss, fever, night sweats)
+
<span class="blue-text">EXAMPLE:</span> B-symptoms (weight loss, fever, night sweats)
  
−
EXAMPLE Fatigue
+
<span class="blue-text">EXAMPLE:</span> Fatigue
  
−
EXAMPLE Lymphadenopathy (uncommon)
+
<span class="blue-text">EXAMPLE:</span> Lymphadenopathy (uncommon)
 
|-
 
|-
 
|'''Laboratory Findings'''
 
|'''Laboratory Findings'''
−
|EXAMPLE Cytopenias
+
|<span class="blue-text">EXAMPLE:</span> Cytopenias
  
−
EXAMPLE Lymphocytosis (low level)
+
<span class="blue-text">EXAMPLE:</span> Lymphocytosis (low level)
 
|}
 
|}
  
 
==Sites of Involvement==
 
==Sites of Involvement==
  
−
Put your text here <span style="color:#0070C0">(''Instruction: Indicate physical sites; Example: nodal, extranodal, bone marrow'') </span>
+
Put your text here <span style="color:#0070C0">(''Instruction: Indicate physical sites; <span class="blue-text">EXAMPLE:</span> nodal, extranodal, bone marrow'') </span>
  
 
==Morphologic Features==
 
==Morphologic Features==
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==Immunophenotype==
 
==Immunophenotype==
  
−
Put your text here and fill in the table <span style="color:#0070C0">(''Instruction: Can include references in the table'') </span>
+
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 sortable"
 
{| class="wikitable sortable"
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!Finding!!Marker
 
!Finding!!Marker
 
|-
 
|-
−
|Positive (universal)||EXAMPLE CD1
+
|Positive (universal)||<span class="blue-text">EXAMPLE:</span> CD1
 
|-
 
|-
−
|Positive (subset)||EXAMPLE CD2
+
|Positive (subset)||<span class="blue-text">EXAMPLE:</span> CD2
 
|-
 
|-
−
|Negative (universal)||EXAMPLE CD3
+
|Negative (universal)||<span class="blue-text">EXAMPLE:</span> CD3
 
|-
 
|-
−
|Negative (subset)||EXAMPLE CD4
+
|Negative (subset)||<span class="blue-text">EXAMPLE:</span> CD4
 
|}
 
|}
  
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! Finding  !! Marker
 
! Finding  !! Marker
 
|-
 
|-
−
|Positive (universal) || EXAMPLE CD1
+
|Positive (universal) || <span class="blue-text">EXAMPLE:</span> CD1
 
|-
 
|-
−
|Positive (subset) || EXAMPLE CD2
+
|Positive (subset) || <span class="blue-text">EXAMPLE:</span> CD2
 
|-
 
|-
−
|Negative (universal) || EXAMPLE CD3
+
|Negative (universal) || <span class="blue-text">EXAMPLE:</span> CD3
 
|-
 
|-
−
|Negative (subset) || EXAMPLE CD4
+
|Negative (subset) || <span class="blue-text">EXAMPLE:</span> CD4
 
|}
 
|}
  
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!Notes
 
!Notes
 
|-
 
|-
−
|EXAMPLE t(9;22)(q34;q11.2)||EXAMPLE 3'ABL1 / 5'BCR||EXAMPLE der(22)||EXAMPLE 20% (COSMIC)
+
|<span class="blue-text">EXAMPLE:</span> t(9;22)(q34;q11.2)||<span class="blue-text">EXAMPLE:</span> 3'ABL1 / 5'BCR||<span class="blue-text">EXAMPLE:</span> der(22)||<span class="blue-text">EXAMPLE:</span> 20% (COSMIC)
−
EXAMPLE 30% (add reference)
+
<span class="blue-text">EXAMPLE:</span> 30% (add reference)
 
|Yes
 
|Yes
 
|No
 
|No
 
|Yes
 
|Yes
−
|EXAMPLE
+
|<span class="blue-text">EXAMPLE:</span>
  
 
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).
 
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).
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! Chromosomal Rearrangement !! Genes in Fusion (5’ or 3’ Segments) !! Pathogenic Derivative !! Prevalence
 
! Chromosomal Rearrangement !! Genes in Fusion (5’ or 3’ Segments) !! Pathogenic Derivative !! Prevalence
 
|-
 
|-
−
|EXAMPLE t(9;22)(q34;q11.2) || EXAMPLE 3'ABL1 / 5'BCR || EXAMPLE der(22) || EXAMPLE 5%
+
|<span class="blue-text">EXAMPLE:</span> t(9;22)(q34;q11.2) || <span class="blue-text">EXAMPLE:</span> 3'ABL1 / 5'BCR || <span class="blue-text">EXAMPLE:</span> der(22) || <span class="blue-text">EXAMPLE:</span> 5%
 
|-
 
|-
−
|EXAMPLE t(8;21)(q22;q22) || EXAMPLE 5'RUNX1 / 3'RUNXT1 || EXAMPLE der(8) || EXAMPLE 5%
+
|<span class="blue-text">EXAMPLE:</span> t(8;21)(q22;q22) || <span class="blue-text">EXAMPLE:</span> 5'RUNX1 / 3'RUNXT1 || <span class="blue-text">EXAMPLE:</span> der(8) || <span class="blue-text">EXAMPLE:</span> 5%
 
|}
 
|}
 
 
 
</blockquote>
 
</blockquote>
−
==Individual Region Genomic Gain/Loss/LOH==
+
==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>
+
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. Do not delete table.'') </span>
  
 
{| class="wikitable sortable"
 
{| class="wikitable sortable"
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!Notes
 
!Notes
 
|-
 
|-
−
|EXAMPLE
+
|<span class="blue-text">EXAMPLE:</span>
  
 
7
 
7
−
|EXAMPLE Loss
+
|<span class="blue-text">EXAMPLE:</span> Loss
−
|EXAMPLE
+
|<span class="blue-text">EXAMPLE:</span>
  
 
chr7:1- 159,335,973 [hg38]
 
chr7:1- 159,335,973 [hg38]
−
|EXAMPLE
+
|<span class="blue-text">EXAMPLE:</span>
  
 
chr7
 
chr7
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|Yes
 
|Yes
 
|No
 
|No
−
|EXAMPLE
+
|<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 reference).
 
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
+
|<span class="blue-text">EXAMPLE:</span>
  
 
8
 
8
−
|EXAMPLE Gain
+
|<span class="blue-text">EXAMPLE:</span> Gain
−
|EXAMPLE
+
|<span class="blue-text">EXAMPLE:</span>
  
 
chr8:1-145,138,636 [hg38]
 
chr8:1-145,138,636 [hg38]
−
|EXAMPLE
+
|<span class="blue-text">EXAMPLE:</span>
  
 
chr8
 
chr8
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|No
 
|No
 
|No
 
|No
−
|EXAMPLE
+
|<span class="blue-text">EXAMPLE:</span>
  
 
Common recurrent secondary finding for t(8;21) (add reference).
 
Common recurrent secondary finding for t(8;21) (add reference).
Line 187: Line 204:
 
! Chromosome Number !! Gain/Loss/Amp/LOH !! Region
 
! Chromosome Number !! Gain/Loss/Amp/LOH !! Region
 
|-
 
|-
−
|EXAMPLE 8 || EXAMPLE Gain || EXAMPLE chr8:0-1000000
+
|<span class="blue-text">EXAMPLE:</span> 8 || <span class="blue-text">EXAMPLE:</span> Gain || <span class="blue-text">EXAMPLE:</span> chr8:0-1000000
 
|-
 
|-
−
|EXAMPLE 7 || EXAMPLE Loss || EXAMPLE chr7:0-1000000
+
|<span class="blue-text">EXAMPLE:</span> 7 || <span class="blue-text">EXAMPLE:</span> Loss || <span class="blue-text">EXAMPLE:</span> chr7:0-1000000
 
|}
 
|}
 
 
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==Characteristic Chromosomal Patterns==
 
==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>
+
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. Do not delete table.'')</span>
  
 
{| class="wikitable sortable"
 
{| class="wikitable sortable"
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!Notes
 
!Notes
 
|-
 
|-
−
|EXAMPLE
+
|<span class="blue-text">EXAMPLE:</span>
  
 
Co-deletion of 1p and 18q
 
Co-deletion of 1p and 18q
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|No
 
|No
 
|No
 
|No
−
|EXAMPLE:
+
|<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).
 
See chromosomal rearrangements table as this pattern is due to an unbalanced derivative translocation associated with oligodendroglioma (add reference).
 
|}
 
|}
−
==Gene Mutations (SNV/INDEL)==
+
==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>
+
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 as 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. Do not delete table.'') </span>
  
 
{| class="wikitable sortable"
 
{| class="wikitable sortable"
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!Notes
 
!Notes
 
|-
 
|-
−
|EXAMPLE: TP53; Variable LOF mutations
+
|<span class="blue-text">EXAMPLE:</span> TP53; Variable LOF mutations
  
−
EXAMPLE:
+
<span class="blue-text">EXAMPLE:</span>
  
 
EGFR; Exon 20 mutations
 
EGFR; Exon 20 mutations
  
−
EXAMPLE: BRAF; Activating mutations
+
<span class="blue-text">EXAMPLE:</span> BRAF; Activating mutations
−
|EXAMPLE: TSG
+
|<span class="blue-text">EXAMPLE:</span> TSG
−
|EXAMPLE: 20% (COSMIC)
+
|<span class="blue-text">EXAMPLE:</span> 20% (COSMIC)
  
−
EXAMPLE: 30% (add Reference)
+
<span class="blue-text">EXAMPLE:</span> 30% (add Reference)
−
|EXAMPLE: IDH1 R123H
+
|<span class="blue-text">EXAMPLE:</span> IDH1 R123H
−
|EXAMPLE: EGFR amplification
+
|<span class="blue-text">EXAMPLE:</span> EGFR amplification
 
|
 
|
 
|
 
|
 
|
 
|
−
|EXAMPLE:  Excludes hairy cell leukemia (HCL) (add reference).
+
|<span class="blue-text">EXAMPLE:</span>  Excludes hairy cell leukemia (HCL) (add reference).
 
<br />
 
<br />
 
|}
 
|}
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! Gene !! Mutation !! Oncogene/Tumor Suppressor/Other !! Presumed Mechanism (LOF/GOF/Other; Driver/Passenger) !! Prevalence (COSMIC/TCGA/Other)
 
! Gene !! Mutation !! Oncogene/Tumor Suppressor/Other !! Presumed Mechanism (LOF/GOF/Other; Driver/Passenger) !! Prevalence (COSMIC/TCGA/Other)
 
|-
 
|-
−
| EXAMPLE TP53 || EXAMPLE R273H || EXAMPLE Tumor Suppressor || EXAMPLE LOF || EXAMPLE 20%
+
| <span class="blue-text">EXAMPLE:</span> TP53 || <span class="blue-text">EXAMPLE:</span> R273H || <span class="blue-text">EXAMPLE:</span> Tumor Suppressor || <span class="blue-text">EXAMPLE:</span> LOF || <span class="blue-text">EXAMPLE:</span> 20%
 
|}
 
|}
 
 
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! Type !! Gene/Region/Other
 
! Type !! Gene/Region/Other
 
|-
 
|-
−
| Concomitant Mutations || EXAMPLE IDH1 R123H
+
| Concomitant Mutations || <span class="blue-text">EXAMPLE:</span> IDH1 R123H
 
|-
 
|-
−
| Secondary Mutations || EXAMPLE Trisomy 7
+
| Secondary Mutations || <span class="blue-text">EXAMPLE:</span> Trisomy 7
 
|-
 
|-
−
|Mutually Exclusive || EXAMPLE EGFR Amplification
+
|Mutually Exclusive || <span class="blue-text">EXAMPLE:</span> EGFR Amplification
 
|}
 
|}
  
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==Genes and Main Pathways Involved==
 
==Genes and Main Pathways Involved==
  
−
Put your text here and fill in the table <span style="color:#0070C0">(''Instructions: Can include references in the table.'')</span>
+
Put your text here and fill in the table <span style="color:#0070C0">(''Instructions: Can include references in the table. Do not delete 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
+
|<span class="blue-text">EXAMPLE:</span> BRAF and MAP2K1; Activating mutations
−
|EXAMPLE: MAPK signaling
+
|<span class="blue-text">EXAMPLE:</span> MAPK signaling
−
|EXAMPLE: Increased cell growth and proliferation
+
|<span class="blue-text">EXAMPLE:</span> Increased cell growth and proliferation
 
|-
 
|-
−
|EXAMPLE: CDKN2A; Inactivating mutations
+
|<span class="blue-text">EXAMPLE:</span> CDKN2A; Inactivating mutations
−
|EXAMPLE: Cell cycle regulation
+
|<span class="blue-text">EXAMPLE:</span> Cell cycle regulation
−
|EXAMPLE: Unregulated cell division
+
|<span class="blue-text">EXAMPLE:</span> Unregulated cell division
 
|-
 
|-
−
|EXAMPLE:  KMT2C and ARID1A; Inactivating mutations
+
|<span class="blue-text">EXAMPLE:</span>  KMT2C and ARID1A; Inactivating mutations
−
|EXAMPLE:  Histone modification, chromatin remodeling
+
|<span class="blue-text">EXAMPLE:</span>  Histone modification, chromatin remodeling
−
|EXAMPLE:  Abnormal gene expression program
+
|<span class="blue-text">EXAMPLE:</span>  Abnormal gene expression program
 
|}
 
|}
 
==Genetic Diagnostic Testing Methods==
 
==Genetic Diagnostic Testing Methods==
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==Links==
 
==Links==
  
−
Put your text placeholder here (or anywhere appropriate on the page) and use the "Link" icon at the top of the page <span style="color:#0070C0">(''Instructions: Once you have a text placeholder entered to which you want to add a link, highlight that text, select the "Link" icon at the top of the page, and search the name of the internal page to which you want to link this text, or enter an external internet address including the "<nowiki>http://www</nowiki>." portion.'')</span>
+
Put your text placeholder here (or anywhere appropriate on the page) and use the "Link" icon at the top of the page <span style="color:#0070C0">(''Instructions: Highlight text to which you want to add a link in this section or elsewhere, select the "Link" icon at the top of the page, and search the name of the internal page to which you want to link this text, or enter an external internet address by including the "<nowiki>http://www</nowiki>." portion.'')</span>
  
 
==References==
 
==References==
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==Notes==
 
==Notes==
 
<nowiki>*</nowiki>Primary authors will typically be those that initially create and complete the content of a page.  If a subsequent user modifies the content and feels the effort put forth is of high enough significance to warrant listing in the authorship section, please contact the CCGA coordinators (contact information provided on the homepage).  Additional global feedback or concerns are also welcome.
 
<nowiki>*</nowiki>Primary authors will typically be those that initially create and complete the content of a page.  If a subsequent user modifies the content and feels the effort put forth is of high enough significance to warrant listing in the authorship section, please contact the CCGA coordinators (contact information provided on the homepage).  Additional global feedback or concerns are also welcome.
−
 
 
<nowiki>*</nowiki>''Citation of this Page'': “B-lymphoblastic leukaemia/lymphoma”. Compendium of Cancer Genome Aberrations (CCGA), Cancer Genomics Consortium (CGC), updated {{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}, <nowiki>https://ccga.io/index.php/HAEM5:B-lymphoblastic_leukaemia/lymphoma</nowiki>.
 
<nowiki>*</nowiki>''Citation of this Page'': “B-lymphoblastic leukaemia/lymphoma”. Compendium of Cancer Genome Aberrations (CCGA), Cancer Genomics Consortium (CGC), updated {{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}, <nowiki>https://ccga.io/index.php/HAEM5:B-lymphoblastic_leukaemia/lymphoma</nowiki>.
−
==Other Sections==
 
−
Notes
 
−
 
−
<nowiki>*</nowiki>Primary authors will typically be those that initially create and complete the content of a page.  If a subsequent user modifies the content and feels the effort put forth is of high enough significance to warrant listing in the authorship section, please contact the CCGA coordinators (contact information provided on the homepage).  Additional global feedback or concerns are also welcome.
 
 
[[Category:HAEM5]][[Category:DISEASE]][[Category:Diseases B]]
 
[[Category:HAEM5]][[Category:DISEASE]][[Category:Diseases B]]

Latest revision as of 17:25, 6 September 2024

Haematolymphoid Tumours (WHO Classification, 5th ed.)

editContent 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:B-Lymphoblastic Leukemia/Lymphoma, Not Otherwise Specified.

(General Instructions – The main focus of these pages is the clinically significant genetic alterations in each disease type. Use HUGO-approved gene names and symbols (italicized when appropriate), 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); to add (or move) a row or column to a table, click within the table and select the > symbol that appears to be given options. 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 Author_Instructions and FAQs as well as contact your Associate Editor or Technical Support)

Primary Author(s)*

Put your text here (EXAMPLE: Jane Smith, PhD)

WHO Classification of Disease

Structure Disease
Book Haematolymphoid Tumours (5th ed.)
Category B-cell lymphoid proliferations and lymphomas
Family Precursor B-cell neoplasms
Type B-lymphoblastic leukaemias/lymphomas
Subtype(s) B-lymphoblastic leukaemia/lymphoma

Definition / Description of Disease

Put your text here (Instructions: Brief description of approximately one paragraph - include disease context relative to other WHO classification categories, diagnostic criteria if applicable, and differential diagnosis if applicable. Other classifications can be referenced for comparison.)

Synonyms / Terminology

Put your text here (Instructions: Include currently used terms and major historical ones, adding “(historical)” after the latter.)

Epidemiology / Prevalence

Put your text here

Clinical Features

Put your text here and fill in the table (Instruction: Can include references in the table. Do not delete table.)

Signs and Symptoms EXAMPLE: Asymptomatic (incidental finding on complete blood counts)

EXAMPLE: B-symptoms (weight loss, fever, night sweats)

EXAMPLE: Fatigue

EXAMPLE: Lymphadenopathy (uncommon)

Laboratory Findings EXAMPLE: Cytopenias

EXAMPLE: Lymphocytosis (low level)

Sites of Involvement

Put your text here (Instruction: Indicate physical sites; EXAMPLE: nodal, extranodal, bone marrow)

Morphologic Features

Put your text here

Immunophenotype

Put your text here and fill in the table (Instruction: Can include references in the table. Do not delete table.)

Finding Marker
Positive (universal) EXAMPLE: CD1
Positive (subset) EXAMPLE: CD2
Negative (universal) EXAMPLE: CD3
Negative (subset) EXAMPLE: CD4


editv4:Immunophenotype
The content below was from the old template. Please incorporate above.

Put your text here and/or fill in the table

Finding Marker
Positive (universal) EXAMPLE: CD1
Positive (subset) EXAMPLE: CD2
Negative (universal) EXAMPLE: CD3
Negative (subset) EXAMPLE: CD4

Chromosomal Rearrangements (Gene Fusions)

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Chromosomal Rearrangement Genes in Fusion (5’ or 3’ Segments) Pathogenic Derivative Prevalence Diagnostic Significance (Yes, No or Unknown) Prognostic Significance (Yes, No or Unknown) Therapeutic Significance (Yes, No or Unknown) Notes
EXAMPLE: t(9;22)(q34;q11.2) EXAMPLE: 3'ABL1 / 5'BCR EXAMPLE: der(22) EXAMPLE: 20% (COSMIC)

EXAMPLE: 30% (add reference)

Yes No Yes EXAMPLE:

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).


editv4:Chromosomal Rearrangements (Gene Fusions)
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Chromosomal Rearrangement Genes in Fusion (5’ or 3’ Segments) Pathogenic Derivative Prevalence
EXAMPLE: t(9;22)(q34;q11.2) EXAMPLE: 3'ABL1 / 5'BCR EXAMPLE: der(22) EXAMPLE: 5%
EXAMPLE: t(8;21)(q22;q22) EXAMPLE: 5'RUNX1 / 3'RUNXT1 EXAMPLE: der(8) EXAMPLE: 5%

Individual Region Genomic Gain / Loss / LOH

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Chr # Gain / Loss / Amp / LOH Minimal Region Genomic Coordinates [Genome Build] Minimal Region Cytoband Diagnostic Significance (Yes, No or Unknown) Prognostic Significance (Yes, No or Unknown) Therapeutic Significance (Yes, No or Unknown) Notes
EXAMPLE:

7

EXAMPLE: Loss EXAMPLE:

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).

editv4:Genomic Gain/Loss/LOH
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Chromosome Number Gain/Loss/Amp/LOH Region
EXAMPLE: 8 EXAMPLE: Gain EXAMPLE: chr8:0-1000000
EXAMPLE: 7 EXAMPLE: Loss EXAMPLE: chr7:0-1000000

Characteristic Chromosomal Patterns

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Chromosomal Pattern Diagnostic Significance (Yes, No or Unknown) Prognostic Significance (Yes, No or Unknown) Therapeutic Significance (Yes, No or Unknown) Notes
EXAMPLE:

Co-deletion of 1p and 18q

Yes No No EXAMPLE:

See chromosomal rearrangements table as this pattern is due to an unbalanced derivative translocation associated with oligodendroglioma (add reference).

Gene Mutations (SNV / INDEL)

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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) Therapeutic Significance (Yes, No or Unknown) Notes
EXAMPLE: TP53; Variable LOF mutations

EXAMPLE:

EGFR; Exon 20 mutations

EXAMPLE: BRAF; Activating mutations

EXAMPLE: TSG EXAMPLE: 20% (COSMIC)

EXAMPLE: 30% (add Reference)

EXAMPLE: IDH1 R123H EXAMPLE: EGFR amplification EXAMPLE:  Excludes hairy cell leukemia (HCL) (add reference).


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.


editv4:Gene Mutations (SNV/INDEL)
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Gene Mutation Oncogene/Tumor Suppressor/Other Presumed Mechanism (LOF/GOF/Other; Driver/Passenger) Prevalence (COSMIC/TCGA/Other)
EXAMPLE: TP53 EXAMPLE: R273H EXAMPLE: Tumor Suppressor EXAMPLE: LOF EXAMPLE: 20%

Other Mutations

Type Gene/Region/Other
Concomitant Mutations EXAMPLE: IDH1 R123H
Secondary Mutations EXAMPLE: Trisomy 7
Mutually Exclusive EXAMPLE: EGFR Amplification

Epigenomic Alterations

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Genes and Main Pathways Involved

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Gene; Genetic Alteration Pathway Pathophysiologic Outcome
EXAMPLE: BRAF and MAP2K1; Activating mutations EXAMPLE: MAPK signaling EXAMPLE: Increased cell growth and proliferation
EXAMPLE: CDKN2A; Inactivating mutations EXAMPLE: Cell cycle regulation EXAMPLE: Unregulated cell division
EXAMPLE:  KMT2C and ARID1A; Inactivating mutations EXAMPLE:  Histone modification, chromatin remodeling EXAMPLE:  Abnormal gene expression program

Genetic Diagnostic Testing Methods

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Familial Forms

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Additional Information

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Links

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References

(use the "Cite" icon at the top of the page) (Instructions: Add each reference into the text above by clicking on where you want to insert the reference, selecting the “Cite” icon at the top of the page, and using the “Automatic” tab option to search such as by PMID to select the reference to insert. The reference list in this section will be automatically generated and sorted. 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.)

Notes

*Primary authors will typically be those that initially create and complete the content of a page.  If a subsequent user modifies the content and feels the effort put forth is of high enough significance to warrant listing in the authorship section, please contact the CCGA coordinators (contact information provided on the homepage).  Additional global feedback or concerns are also welcome. *Citation of this Page: “B-lymphoblastic leukaemia/lymphoma”. Compendium of Cancer Genome Aberrations (CCGA), Cancer Genomics Consortium (CGC), updated 09/6/2024, https://ccga.io/index.php/HAEM5:B-lymphoblastic_leukaemia/lymphoma.

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