HAEM5:Acute myeloid leukaemia with NUP98 rearrangement: Difference between revisions
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== WHO Essential and Desirable Genetic Diagnostic Criteria. == | ==WHO Essential and Desirable Genetic Diagnostic Criteria.== | ||
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|WHO Essential Criteria (Genetics)* | |WHO Essential Criteria (Genetics)* | ||
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|'''Typical Chromosomal Alteration(s)''' | |'''Typical Chromosomal Alteration(s)''' | ||
|'''Prevalence -Common >20%, Recurrent 5-20% or Rare <5% (Disease)''' | |'''Prevalence -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''' | ||
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|''Commonly associated with erythroid and megakaryocytic phenotypes in pediatric AML (acute erythroid leukemia and acute megakaryocytic leukemia).''<ref name=":1" /> | |''Commonly associated with erythroid and megakaryocytic phenotypes in pediatric AML (acute erythroid leukemia and acute megakaryocytic leukemia).''<ref name=":1" /> | ||
''Usually associate with unfavorable outcomes'' | ''Usually associate with unfavorable outcomes'' | ||
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|''NUP98'' | |''NUP98'' | ||
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<br /> | <br /> | ||
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|'''Chromosome Number''' | |'''Chromosome Number''' | ||
|'''Gain/Loss/Amp/LOH''' | |'''Gain/Loss/Amp/LOH''' | ||
|'''Minimal Region Cytoband and/or Genomic Coordinates [Genome Build; Size]''' | |'''Minimal Region Cytoband and/or Genomic Coordinates [Genome Build; Size]''' | ||
|'''Relevant Gene(s)''' | |'''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''' | ||
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|Trisomy 8 | |Trisomy 8 | ||
|Unknown | |Unknown | ||
|NA | |NA | ||
|No | |No | ||
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|'''Tumor Suppressor Gene (TSG)/Oncogene/Other''' | |'''Tumor Suppressor Gene (TSG)/Oncogene/Other''' | ||
|'''Prevalence -Common >20%, Recurrent 5-20% or Rare <5% (Disease)''' | |'''Prevalence -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''' | ||
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|Recurrent | |Recurrent | ||
|Poor prognosis | |Poor prognosis | ||
| | | | ||
|Seen in 67 to 91% of cases with NUP98::NSD1 | |Seen in 67 to 91% of cases with NUP98::NSD1 | ||
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==Genetic Diagnostic Testing Methods== | ==Genetic Diagnostic Testing Methods== | ||
Rearrangements involving NUP98 are often cryptic on conventional karyotype, owing to terminal location of NUP98 on chromosome 11p15.4. Most patients have a normal karyotype. Diagnosis is established using the following tests: | |||
* FISH using NUP98 break-apart probes | |||
* RT-PCR for fusion proteins like NUP98::NSD1 | |||
* RNA sequencing | |||
* Optical Genome Mapping (OGM) | |||
<br /> | |||
[[File:NUP98 NSD1.png|none|thumb|617x617px|Karyotype image of NUP98 rearranged acute myeloid leukemia. Due to the cryptic nature of NUP98 rearrangement, karyotype is usually normal. ]] | |||
[[File:T(5;11).jpg|none|thumb|584x584px|Optical genome mapping. Figure A showing circus plot with t(5;11). Figure B showing exact breakpoints of the translocation leading to NUP98::NSD1 fusion. Figure C showing WT1 deletion which is a common secondary event in NUP98 rearranged AML.]] | |||
<br /> | |||
==Familial Forms== | ==Familial Forms== | ||
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==Additional Information== | ==Additional Information== | ||
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==Links== | ==Links== | ||