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| {{CMG}}; {{AE}} {{RT}} | | {{CMG}}; {{AE}} {{RT}} |
| ==Causes== | | ==Causes== |
| AILT was originally thought to be a premalignant condition, termed angioimmunoblastic lymphadenopathy, and this atypical reactive lymphadenopathy carried a risk for transformation into a lymphoma. Currently, it is postulated that the originating cell for this disease is a mature (post-thymic) CD4+ [[T-cell]] that arises ''de novo'', although some researchers argue that there is a premalignant subtype of this disease.<ref name="fri1">[http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&list_uids=2642571&query_hl=22&itool=pubmed_ExternalLink]
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| Frizzera G, Kaneko Y, Sakurai M. "Angioimmunoblastic lymphadenopathy and related disorders: a retrospective look in search of definitions." '''Leukemia'''. 1989 Jan;3(1):1-5. PMID: 2642571</ref><ref name="smi1">
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| [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&list_uids=10666395&query_hl=26&itool=pubmed_ExternalLink]
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| Smith JL, Hodges E, Quin CT, McCarthy KP, Wright DH. "Frequent T and B cell oligoclones in histologically and immunophenotypically characterized angioimmunoblastic lymphadenopathy." '''Am J Pathol'''. 2000 Feb;156(2):661-9. PMID: 10666395</ref> The [[Epstein Barr virus]] ([[EBV]]) is observed in the majority of cases, and the virus has been found in the reactive B-cells that comprise part of the polymorphous infiltrate of this disease<ref name="wei1">[http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&list_uids=1373088&query_hl=15&itool=pubmed_ExternalLink]
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| Weiss LM, Jaffe ES, Liu XF, Chen YY, Shibata D, Medeiros LJ. "Detection and localization of Epstein-Barr viral genomes in angioimmunoblastic lymphadenopathy and angioimmunoblastic lymphadenopathy-like lymphoma." '''Blood'''. 1992 Apr 1;79(7):1789-95. PMID: 1373088</ref> and in the neoplastic T-cells.<ref name="ana1">[http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&list_uids=1327284&query_hl=19&itool=pubmed_ExternalLink]
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| Anagnostopoulos I, Hummel M, Finn T, Tiemann M, Korbjuhn P, Dimmler C, Gatter K, Dallenbach F, Parwaresch MR, Stein H. "Heterogeneous Epstein-Barr virus infection patterns in peripheral T-cell lymphoma of angioimmunoblastic lymphadenopathy type."'''Blood'''. 1992 Oct 1;80(7):1804-12. PMID: 1327284</ref> [[Immunodeficiency]] is also seen with this disease, but it is thought to be a sequela to the condition and not a predisposing factor.
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| ==References== | | ==References== |