Changes

==Primary Author(s)*==

==Primary Author(s)*==

==Cancer Category/Type==

==Cancer Category/Type==

*[[Mature T- and NK-cell Neoplasms]]

*[[HAEM4:Mature T- and NK-cell Neoplasms]]

==Cancer Sub-Classification / Subtype==

==Cancer Sub-Classification / Subtype==

==Definition / Description of Disease==

==Definition / Description of Disease==

*Anaplastic large cell lymphomas (ALCL), [[ALK]]-negative, is a CD30+ T-cell lymphoma that is morphologically and immunophenotypically indistinguishable (but lacks ALK protein expression) from [[Anaplastic Large Cell Lymphoma, ALK-Positive|ALK(+) ALCL]]<ref name=":9">{{Cite journal|last=Ad|first=Attygalle|last2=J|first2=Cabeçadas|last3=P|first3=Gaulard|last4=Es|first4=Jaffe|last5=D|first5=de Jong|last6=Yh|first6=Ko|last7=J|first7=Said|last8=W|first8=Klapper|date=2014|title=Peripheral T-cell and NK-cell lymphomas and their mimics; taking a step forward - report on the lymphoma workshop of the XVIth meeting of the European Association for Haematopathology and the Society for Hematopathology|url=https://pubmed.ncbi.nlm.nih.gov/24128129/|language=en|doi=10.1111/his.12251|pmc=PMC6364972|pmid=24128129}}</ref><ref name=":7">{{Cite journal|last=Sh|first=Swerdlow|last2=E|first2=Campo|last3=Sa|first3=Pileri|last4=Nl|first4=Harris|last5=H|first5=Stein|last6=R|first6=Siebert|last7=R|first7=Advani|last8=M|first8=Ghielmini|last9=Ga|first9=Salles|date=2016|title=The 2016 revision of the World Health Organization classification of lymphoid neoplasms|url=https://pubmed.ncbi.nlm.nih.gov/26980727/|language=en|doi=10.1182/blood-2016-01-643569|pmc=PMC4874220|pmid=26980727}}</ref>

*Anaplastic large cell lymphomas (ALCL), [[ALK]]-negative, is a CD30+ T-cell lymphoma that is morphologically and immunophenotypically indistinguishable (but lacks ALK protein expression) from [[HAEM5:ALK-positive anaplastic large cell lymphoma|ALK(+) ALCL]]<ref name=":9">{{Cite journal|last=Ad|first=Attygalle|last2=J|first2=Cabeçadas|last3=P|first3=Gaulard|last4=Es|first4=Jaffe|last5=D|first5=de Jong|last6=Yh|first6=Ko|last7=J|first7=Said|last8=W|first8=Klapper|date=2014|title=Peripheral T-cell and NK-cell lymphomas and their mimics; taking a step forward - report on the lymphoma workshop of the XVIth meeting of the European Association for Haematopathology and the Society for Hematopathology|url=https://pubmed.ncbi.nlm.nih.gov/24128129/|language=en|doi=10.1111/his.12251|pmc=PMC6364972|pmid=24128129}}</ref><ref name=":7">{{Cite journal|last=Sh|first=Swerdlow|last2=E|first2=Campo|last3=Sa|first3=Pileri|last4=Nl|first4=Harris|last5=H|first5=Stein|last6=R|first6=Siebert|last7=R|first7=Advani|last8=M|first8=Ghielmini|last9=Ga|first9=Salles|date=2016|title=The 2016 revision of the World Health Organization classification of lymphoid neoplasms|url=https://pubmed.ncbi.nlm.nih.gov/26980727/|language=en|doi=10.1182/blood-2016-01-643569|pmc=PMC4874220|pmid=26980727}}</ref>

*Three major molecular subtypes of ALK (-) ALCL<ref name=":9" /><ref name=":7" />:

*Three major molecular subtypes of ALK (-) ALCL<ref name=":9" /><ref name=":7" />:

**DUSP22-rearranged subtype (30%)

**DUSP22-rearranged subtype (30%)

==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.