Bailey.Glen at 18:56, 3 November 2023

2023-11-03T18:56:03Z

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 ==Primary Author(s)*==
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Bailey.Glen: Created page with "{{Under Construction}} ==Primary Author(s)*== Prasad R. Kopparapu, PhD and Ferrin C. Wheeler, PhD, FACMG Vanderbilt University Medical Center TOC ==Cancer Category/Ty..."

2023-11-03T18:20:32Z

Created page with "{{Under Construction}} ==Primary Author(s)*== Prasad R. Kopparapu, PhD and Ferrin C. Wheeler, PhD, FACMG Vanderbilt University Medical Center __TOC__ ==Cancer Category/Ty..."

New page

{{Under Construction}}
==Primary Author(s)*==

Prasad R. Kopparapu, PhD and Ferrin C. Wheeler, PhD, FACMG

Vanderbilt University Medical Center

__TOC__

==Cancer Category/Type==

Mature T- and NK-Cell Neoplasms

==Cancer Sub-Classification / Subtype==

Adult T-Cell Leukemia/lymphoma (ATLL)

==Definition / Description of Disease==

Adult T-cell Leukemia/Lymphoma (ATLL) is a systemic, aggressive T-cell malignancy cause by chronic infection of human T lymphotropic virus 1 (HTLV-1) with poor prognosis<ref>Thiele, J. et al., (2017). Adult T-cell leukemia/lymphoma, 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, p363-367</ref>.

==Synonyms / Terminology==

Adult T-cell leukemia, Adult T-cell lymphoma, HTLV-1 associated adult T-cell leukemia-lymphoma.

==Epidemiology / Prevalence==

ATLL is endemic in many parts of Southwestern Japan, the Caribbean basin, Sub-Saharan Africa, South America, Romania, Northern Iran, parts of the Middle East and Australo-Melanesia<ref name=":0">{{Cite journal|last=Gessain|first=Antoine|last2=Cassar|first2=Olivier|date=2012|title=Epidemiological Aspects and World Distribution of HTLV-1 Infection|url=https://pubmed.ncbi.nlm.nih.gov/23162541|journal=Frontiers in Microbiology|volume=3|pages=388|doi=10.3389/fmicb.2012.00388|issn=1664-302X|pmc=3498738|pmid=23162541}}</ref><ref>{{Cite journal|last=Mehta-Shah|first=Neha|last2=Ratner|first2=Lee|last3=Horwitz|first3=Steven M.|date=08 2017|title=Adult T-Cell Leukemia/Lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/28796966|journal=Journal of Oncology Practice|volume=13|issue=8|pages=487–492|doi=10.1200/JOP.2017.021907|issn=1935-469X|pmc=6366298|pmid=28796966}}</ref>.

ATLL occurs only in adults between 30 to 90 years of age with an average age of 58 years. The male-to-female ratio is 1.5:1<ref>{{Cite journal|last=Rocquain|first=Julien|last2=Carbuccia|first2=Nadine|last3=Trouplin|first3=Virginie|last4=Raynaud|first4=Stéphane|last5=Murati|first5=Anne|last6=Nezri|first6=Meyer|last7=Tadrist|first7=Zoulika|last8=Olschwang|first8=Sylviane|last9=Vey|first9=Norbert|date=2010-08-02|title=Combined mutations of ASXL1, CBL, FLT3, IDH1, IDH2, JAK2, KRAS, NPM1, NRAS, RUNX1, TET2 and WT1 genes in myelodysplastic syndromes and acute myeloid leukemias|url=https://pubmed.ncbi.nlm.nih.gov/20678218|journal=BMC cancer|volume=10|pages=401|doi=10.1186/1471-2407-10-401|issn=1471-2407|pmc=2923633|pmid=20678218}}</ref>.

Transmission occurs through breast milk, sexual fluids, peripheral blood and blood products<ref name=":0" />.

==Clinical Features==

ATLL is classified into four clinical subtypes: Acute, Lymphoma, Chronic and Smoldering<ref name=":3">{{Cite journal|last=Shimoyama|first=M.|date=1991-11|title=Diagnostic criteria and classification of clinical subtypes of adult T-cell leukaemia-lymphoma. A report from the Lymphoma Study Group (1984-87)|url=https://pubmed.ncbi.nlm.nih.gov/1751370|journal=British Journal of Haematology|volume=79|issue=3|pages=428–437|doi=10.1111/j.1365-2141.1991.tb08051.x|issn=0007-1048|pmid=1751370}}</ref>.

Acute: Most common type (65% of patients) with elevated WBC count, skin rash and generalized lymphadenopathy, hypercalcemia, hepatosplenomegaly, elevated LDH and frequent opportunistic infections like pneumocystis jirovecii pneumonia and strongyloidiasis.

Lymphoma: The lymphomatous variant is characterized by lymphadenopathy, absence of lymphocytosis, possible extranodal lesions with minimal peripheral blood involvement and less frequent hypercalcemia.

Chronic: The chronic variant can progress to acute or lymphomatous subtype. This variant manifests with lymphocytosis and exfoliative skin lesions. Atypical lymphocytes are fewer in number in peripheral blood. There can be mild hepatosplenomegaly and lymphadenopathy. Hypercalcemia is not observed, and no involvement of CNS, bone and gastrointestinal tract, and neither ascites nor pleural effusion.

Smoldering: This variant may also progress to the acute subtype upon long duration. This variant may present with skin or lung lesions. More than 5% circulating abnormal T-cell lymphocytes can be found in the absence of leukocytosis. No manifestation of hypercalcemia, hepatosplenomegaly or lymphadenopathy.

==Sites of Involvement==

In addition to lymph node involvement, there is involvement in extranodal sites like spleen, skin, lung, liver, gastrointestinal tract and CNS, making this a systemic disease with peripheral blood involvement<ref>{{Cite journal|last=Bunn|first=P. A.|last2=Schechter|first2=G. P.|last3=Jaffe|first3=E.|last4=Blayney|first4=D.|last5=Young|first5=R. C.|last6=Matthews|first6=M. J.|last7=Blattner|first7=W.|last8=Broder|first8=S.|last9=Robert-Guroff|first9=M.|date=1983-08-04|title=Clinical course of retrovirus-associated adult T-cell lymphoma in the United States|url=https://pubmed.ncbi.nlm.nih.gov/6602943|journal=The New England Journal of Medicine|volume=309|issue=5|pages=257–264|doi=10.1056/NEJM198308043090501|issn=0028-4793|pmid=6602943}}</ref>.

==Morphologic Features==

The morphological features of ATLL in skin include erythema, papules, and nodules based on macroscopic examination and perivascular infiltration of atypical lymphoid cells, diffuse infiltration of medium to large sized atypical lymphoid cells and infiltration of large atypical lymphoid cell as per histopathological observations.

Lymph node lesions present as pleomorphic small, medium and large cell types, anaplastic and an angioimmunoblastic T-cell lymphoma type.

Infiltration of atypical lymphoid cells with irregular or round nuclei is seen in the bone marrow cavity with detection of hypercalcemia.

In liver, infiltration of atypical medium to large sized lymphoid cells with irregular nuclei is seen.

Diffuse, pleomorphic and anaplastic type cells can infiltrate the stomach destroying the gastric glands.

In peripheral blood, “flower like” cells that have multilobed nucleus with basophilic cytoplasm can be observed by Giemsa staining<ref>{{Cite journal|last=Ohshima|first=Koichi|date=2007-06|title=Pathological features of diseases associated with human T-cell leukemia virus type I|url=https://pubmed.ncbi.nlm.nih.gov/17388788|journal=Cancer Science|volume=98|issue=6|pages=772–778|doi=10.1111/j.1349-7006.2007.00456.x|issn=1347-9032|pmid=17388788}}</ref>.

==Immunophenotype==

In most patients, tumor cells exhibit phenotype of mature CD4+ T cells by expressing CD2, CD3, CD5, CD25, CD45RO, CD29, T-cell receptor αβ, FOXP3, CD52, and HLA-DR<ref>{{Cite journal|last=Roncador|first=G.|last2=Garcia|first2=J. F.|last3=Garcia|first3=J. F.|last4=Maestre|first4=L.|last5=Lucas|first5=E.|last6=Menarguez|first6=J.|last7=Ohshima|first7=K.|last8=Nakamura|first8=S.|last9=Banham|first9=A. H.|date=2005-12|title=FOXP3, a selective marker for a subset of adult T-cell leukaemia/lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/16193085|journal=Leukemia|volume=19|issue=12|pages=2247–2253|doi=10.1038/sj.leu.2403965|issn=0887-6924|pmid=16193085}}</ref><ref>{{Cite journal|last=Ishida|first=Takashi|last2=Utsunomiya|first2=Atae|last3=Iida|first3=Shinsuke|last4=Inagaki|first4=Hiroshi|last5=Takatsuka|first5=Yoshifusa|last6=Kusumoto|first6=Shigeru|last7=Takeuchi|first7=Genji|last8=Shimizu|first8=Shigeki|last9=Ito|first9=Masato|date=2003-09-01|title=Clinical significance of CCR4 expression in adult T-cell leukemia/lymphoma: its close association with skin involvement and unfavorable outcome|url=https://pubmed.ncbi.nlm.nih.gov/14506150|journal=Clinical Cancer Research: An Official Journal of the American Association for Cancer Research|volume=9|issue=10 Pt 1|pages=3625–3634|issn=1078-0432|pmid=14506150}}</ref>.

Most cases are CD4+CD8-, but rarely, cases can be CD4-CD8+ or CD4+CD8+. A typical immunophenotype for ATLL is: CD2+, CD3+, CD4+, CD7-, CD8-, CD25+, CD30+/-, TCR αβ+<ref name=":4" />.

Immunophenotypic characterization of CD3, CD4, CD7 , CD8, and CD25 are the minimum requirement for an ATLL diagnosis.
{| class="wikitable sortable"
|-
!Finding!!Marker
|-
|Positive (universal)||CD2, CD3, CD5, CD4, CCD4
|-
|Positive (subset)||CD8, CD4, CD30, FOXP3
|-
|Negative (universal)||CD7, CD8, TdT, TCL1, ALK1, B cell antigens, cytotoxic molecules
|-
|Negative (subset)||CD4,CD8, ALK
|}

==Chromosomal Rearrangements (Gene Fusions)==

Tandem duplications of 2q33.2 segments cause formation of CTLA4-CD28 and ICOS-CD28 fusion products that render prolonged co-stimulatory signals<ref name=":1">{{Cite journal|last=Kataoka|first=Keisuke|last2=Nagata|first2=Yasunobu|last3=Kitanaka|first3=Akira|last4=Shiraishi|first4=Yuichi|last5=Shimamura|first5=Teppei|last6=Yasunaga|first6=Jun-Ichirou|last7=Totoki|first7=Yasushi|last8=Chiba|first8=Kenichi|last9=Sato-Otsubo|first9=Aiko|date=2015-11|title=Integrated molecular analysis of adult T cell leukemia/lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/26437031|journal=Nature Genetics|volume=47|issue=11|pages=1304–1315|doi=10.1038/ng.3415|issn=1546-1718|pmid=26437031}}</ref>.

{| class="wikitable sortable"
|-
!Chromosomal Rearrangement!!Genes in Fusion (5’ or 3’ Segments)!!Pathogenic Derivative!!Prevalence
|-
|2q33.2 (Tandem Duplication)
|5’ CTLA/3’CD28
|der(2)
|7%
|-
|2q33.2 (Tandem Duplication)
|5’ICOS/3’CD28
|der(2)
|7%
|}

==Characteristic Chromosomal Aberrations / Patterns==

Cytogenetic studies show that ATLL often has a complex abnormal karyotype without a single distinct abnormality. Observed recurrent abnormalities include trisomy for 3, 7 or 21 and monosomy for X as well as deletion of Y and abnormalities of chromosome 6 and 14. Chromosome 14 rearrangements involving TCRA and TCRD at 14q11 and TCL1 at 14q32 have been documented<ref>{{Cite journal|date=1987-11|title=Correlation of chromosome abnormalities with histologic and immunologic characteristics in non-Hodgkin's lymphoma and adult T cell leukemia-lymphoma. Fifth International Workshop on Chromosomes in Leukemia-Lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/2889485|journal=Blood|volume=70|issue=5|pages=1554–1564|issn=0006-4971|pmid=2889485}}</ref>. Frequent deletions in known fragile sites have been detected in over 500 patients<ref name=":1" />.

==Genomic Gain/Loss/LOH==

ATLL with high number of chromosomal imbalances is associated with poor survival<ref>{{Cite journal|last=Itoyama|first=T.|last2=Chaganti|first2=R. S.|last3=Yamada|first3=Y.|last4=Tsukasaki|first4=K.|last5=Atogami|first5=S.|last6=Nakamura|first6=H.|last7=Tomonaga|first7=M.|last8=Ohshima|first8=K.|last9=Kikuchi|first9=M.|date=2001-06-01|title=Cytogenetic analysis and clinical significance in adult T-cell leukemia/lymphoma: a study of 50 cases from the human T-cell leukemia virus type-1 endemic area, Nagasaki|url=https://pubmed.ncbi.nlm.nih.gov/11369658|journal=Blood|volume=97|issue=11|pages=3612–3620|doi=10.1182/blood.v97.11.3612|issn=0006-4971|pmid=11369658}}</ref><ref>{{Cite journal|last=Tsukasaki|first=K.|last2=Krebs|first2=J.|last3=Nagai|first3=K.|last4=Tomonaga|first4=M.|last5=Koeffler|first5=H. P.|last6=Bartram|first6=C. R.|last7=Jauch|first7=A.|date=2001-06-15|title=Comparative genomic hybridization analysis in adult T-cell leukemia/lymphoma: correlation with clinical course|url=https://pubmed.ncbi.nlm.nih.gov/11389029|journal=Blood|volume=97|issue=12|pages=3875–3881|doi=10.1182/blood.v97.12.3875|issn=0006-4971|pmid=11389029}}</ref><ref>{{Cite journal|last=Oshiro|first=Aya|last2=Tagawa|first2=Hiroyuki|last3=Ohshima|first3=Koichi|last4=Karube|first4=Kennosuke|last5=Uike|first5=Naokuni|last6=Tashiro|first6=Yukie|last7=Utsunomiya|first7=Atae|last8=Masuda|first8=Masato|last9=Takasu|first9=Nobuyuki|date=2006-06-01|title=Identification of subtype-specific genomic alterations in aggressive adult T-cell leukemia/lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/16484591|journal=Blood|volume=107|issue=11|pages=4500–4507|doi=10.1182/blood-2005-09-3801|issn=0006-4971|pmid=16484591}}</ref><ref name=":2">{{Cite journal|last=Kataoka|first=Keisuke|last2=Iwanaga|first2=Masako|last3=Yasunaga|first3=Jun-Ichirou|last4=Nagata|first4=Yasunobu|last5=Kitanaka|first5=Akira|last6=Kameda|first6=Takuro|last7=Yoshimitsu|first7=Makoto|last8=Shiraishi|first8=Yuichi|last9=Sato-Otsubo|first9=Aiko|date=01 11, 2018|title=Prognostic relevance of integrated genetic profiling in adult T-cell leukemia/lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/29084771|journal=Blood|volume=131|issue=2|pages=215–225|doi=10.1182/blood-2017-01-761874|issn=1528-0020|pmc=5757690|pmid=29084771}}</ref>.

{| class="wikitable sortable"
|-
!Chromosome Number!!Gain/Loss/Amp/LOH!!Region
|-
|1
|Gain
|1q
|-
|2
|Gain
|2p
|-
|3
|Gain
|3p
|-
|4
|Gain
|4q
|-
|6
|Loss
|6q
|-
|7
|Gain
|7p, 7q
|-
|9
|Amp
|9p
|-
|10
|Loss
|10p
|-
|13
|Loss
|13q
|-
|14
|Gain
|14q
|-
|16
|Loss
|16q
|-
|18
|Loss
|18p
|}

==Gene Mutations (SNV/INDEL)==

Over 10% of ATLL cases harbor mostly gain of function mutations. ATLL harbors multiple recurrent mutations in genes involved in the TCR-NF-κB pathway, tumor suppressors, transcription factors involved in cell growth and proliferation, apoptosis, and immune surveillance<ref>{{Cite journal|last=Kogure|first=Yasunori|last2=Kataoka|first2=Keisuke|date=2017-09|title=Genetic alterations in adult T-cell leukemia/lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/28627735|journal=Cancer Science|volume=108|issue=9|pages=1719–1725|doi=10.1111/cas.13303|issn=1349-7006|pmc=5581529|pmid=28627735}}</ref><ref name=":2" /><ref>{{Cite journal|last=Kataoka|first=Keisuke|last2=Nagata|first2=Yasunobu|last3=Kitanaka|first3=Akira|last4=Shiraishi|first4=Yuichi|last5=Shimamura|first5=Teppei|last6=Yasunaga|first6=Jun-Ichirou|last7=Totoki|first7=Yasushi|last8=Chiba|first8=Kenichi|last9=Sato-Otsubo|first9=Aiko|date=2015-11|title=Integrated molecular analysis of adult T cell leukemia/lymphoma|url=https://pubmed.ncbi.nlm.nih.gov/26437031|journal=Nature Genetics|volume=47|issue=11|pages=1304–1315|doi=10.1038/ng.3415|issn=1546-1718|pmid=26437031}}</ref>.

{| class="wikitable sortable"
|-
!Gene!!Mutation!!Oncogene/Tumor Suppressor/Other!!Presumed Mechanism (LOF/GOF/Other; Driver/Passenger)!!Prevalence (COSMIC/TCGA/Other)
|-
|PLCG1
|
|TCR – NF-κB Signaling
|GOF
|
|-
|PKCB
|
|TCR – NF-κB Signaling
|GOF
|
|-
|CARD11
|
|TCR – NF-κB Signaling
|GOF
|
|-
|VAV1
|
|TCR – NF-κB Signaling
|GOF
|
|-
|CD237
|
|TCR – NF-κB Signaling
|GOF
|
|-
|RHOA
|
|RAS-RAF-ERK pathway
|GOF
|
|-
|IRF4
|
|Transcription Factor
|GOF
|
|-
|NOTCH1
|
|Transcription Factor
|GOF
|
|-
|FBXW7
|
|Transcription Factor
|GOF
|
|-
|STAT3
|
|Transcription Factor
|GOF
|
|-
|TNFAIP3/A20
|
|TCR – NF-κB Signaling
|LOF
|
|-
|NFKBIA/IκBα
|
|TCR – NF-κB Signaling
|LOF
|
|-
|TRAF3
|
|TCR – NF-κB Signaling
|LOF
|
|-
|CBLB
|
|TCR – NF-κB Signaling
|LOF
|
|-
|TP53
|
|Tumor Suppressor
|LOF
|
|-
|CDKN2
|
|Tumor Suppressor
|LOF
|
|-
|GATA3
|
|Transcription Factor
|LOF
|
|-
|EP300
|
|Transcription Factor
|LOF
|
|-
|FAS
|
|Apoptosis
|LOF
|
|-
|WWOX
|
|Apoptosis
|LOF
|
|-
|HLA-B
|
|Immune Surveillance
|LOF
|
|-
|B2M
|
|Immune Surveillance
|LOF
|
|-
|PD-L1
|
|Immune Surveillance
|Amplification
|
|}

===Other Mutations===
{| class="wikitable sortable"
|-
!Type!!Gene/Region/Other
|-
|Concomitant Mutations||EXAMPLE IDH1 R123H
|-
|Secondary Mutations||EXAMPLE Trisomy 7
|-
|Mutually Exclusive||EXAMPLE EGFR Amplification
|}

==Epigenomics (Methylation)==

Epigenetic alterations also result in dysregulated TCR/NF-κB signaling in ATLL. DNA hypermethylation of CpG islands is detected in 1/3rd of all ATLL patients. As a result, genes involved in Cys2-His2 (C2H2) zinc finger genes and those encoding MHC class I molecules are silenced<ref name=":1" />.

ATLL patients have high expression of polycomb repressive complex (PRC) 2 components like EZH2, its homolog EZH1 and H3K27 methylase causing accumulation of trimethylation of H3K27 and altering the expression of over half of the genes. The severity of the disease is linked to continued down regulation of genes<ref>{{Cite journal|last=Fujikawa|first=Dai|last2=Nakagawa|first2=Shota|last3=Hori|first3=Makoto|last4=Kurokawa|first4=Naoya|last5=Soejima|first5=Ai|last6=Nakano|first6=Kazumi|last7=Yamochi|first7=Tadanori|last8=Nakashima|first8=Makoto|last9=Kobayashi|first9=Seiichiro|date=2016-04-07|title=Polycomb-dependent epigenetic landscape in adult T-cell leukemia|url=https://pubmed.ncbi.nlm.nih.gov/26773042|journal=Blood|volume=127|issue=14|pages=1790–1802|doi=10.1182/blood-2015-08-662593|issn=1528-0020|pmid=26773042}}</ref>.

==Genes and Main Pathways Involved==
The most important genes involved in the development and progress of ATLL are the Tax and HBZ contributed by the HTLV-1 virus and genes listed in gene mutations table (above) from the host. The main pathways involved are TCR-NF-κB signaling by gain of function and amplifications in PLCG1, VAV1 and FYN, CD28, PRKCB, CARD11, IRF4 and RHOA; and loss of function mutations or deletions in CBLB, TRAF, TNFAIP3 and CSNK1A1<ref name=":1" />.

Genes involving the immune surveillance program are also heavy altered to evade the immune response either by deletions in MHC class1 molecules, CD58, FAS or constitutive activation of PD-L1.

Genes involved in the Lymphocyte activation and differentiation(IRF4, GATA3, IKZF2) are also altered.

Chemokine receptors including CCR4 and CCR7 are responsible for the infiltration of neoplastic cells into other organs along with activation of PI3K/AKT signaling.

The epigenetic mechanism is also exploited to alter gene expression and promote ATLL progression as explained above.

==Diagnostic Testing Methods==

Initial diagnosis of ATLL should include a comprehensive physical exam with skin evaluation and CT scans of the chest, abdomen and pelvis. The laboratory evaluation should include: a complete blood count (CBC), metabolic panel (serum electrolyte levels, calcium, creatinine and blood urea nitrogen) and serum LDH levels. Testing methods including PCR, Flow Cytometry, ELISA, serology, and immunohistochemistry in addition to morphologic studies may be employed to diagnose ATLL<ref name=":4">NCCN Clinical Practice Guidelines in Oncology, T-Cell Lymphomas, Version 1.2021. Available at NCCN.org.</ref>.

==Clinical Significance (Diagnosis, Prognosis and Therapeutic Implications)==

ATLL diagnosis can be made based on seropositivity for HTLV-1 and histologically and/or cytologically proven peripheral T cell lymphoma (PTCL). Diagnosis can also be made by quantifying proviral DNA loads (PVLs) in peripheral blood mononuclear cells using real time PCR. PVL of an infected person can range from 0.01 to 50% or higher. Other diagnostic criteria includes appropriate patient demographic information, hypercalcemia, skin lesions and a leukemic phase.

The prognosis of ATLL is largely dependent on the subtype. The acute and lymphomatous subtypes are aggressive, with a median survival of 6.2 months and 10.2 months, respectively. The less-aggressive chronic and smoldering subtypes have a median survival of approximately 4.5 years<ref name=":3" />. Prognostic factors include clinical variant, age, serum calcium and LDH levels as well as detection of opportunistic infections of parasitic or viral types and p16 gene deletion and p53 mutation.

As ATLL is resistant to most chemotherapy, there is no standard chemotherapy regimen. High dose combination chemotherapy and bone marrow transplantation have been tried previously<ref>{{Cite journal|last=Hishizawa|first=Masakatsu|last2=Kanda|first2=Junya|last3=Utsunomiya|first3=Atae|last4=Taniguchi|first4=Shuichi|last5=Eto|first5=Tetsuya|last6=Moriuchi|first6=Yukiyoshi|last7=Tanosaki|first7=Ryuji|last8=Kawano|first8=Fumio|last9=Miyazaki|first9=Yasushi|date=2010-08-26|title=Transplantation of allogeneic hematopoietic stem cells for adult T-cell leukemia: a nationwide retrospective study|url=https://pubmed.ncbi.nlm.nih.gov/20479287|journal=Blood|volume=116|issue=8|pages=1369–1376|doi=10.1182/blood-2009-10-247510|issn=1528-0020|pmid=20479287}}</ref>. Monoclonal antibody-based therapies against IL-2R (anti-Tac), CCR4 (mogamulizumab) and CD52 (alemtuzumab) have also been attempted along with arsenic trioxide, interferon α and zidovudine<ref>{{Cite journal|last=Hermine|first=Olivier|last2=Ramos|first2=Juan Carlos|last3=Tobinai|first3=Kensei|date=02 2018|title=A Review of New Findings in Adult T-cell Leukemia-Lymphoma: A Focus on Current and Emerging Treatment Strategies|url=https://pubmed.ncbi.nlm.nih.gov/29411267|journal=Advances in Therapy|volume=35|issue=2|pages=135–152|doi=10.1007/s12325-018-0658-4|issn=1865-8652|pmc=5818559|pmid=29411267}}</ref>.

==Familial Forms==

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==Other Information==

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==Links==

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==References==
(use "Cite" icon at top of page)
<references />
===EXAMPLE Book===

#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, p129-171.

==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.

HAEM4:Adult T-cell Leukemia/Lymphoma - Revision history

Bailey.Glen at 18:56, 3 November 2023

Bailey.Glen: Created page with "{{Under Construction}} ==Primary Author(s)*== Prasad R. Kopparapu, PhD and Ferrin C. Wheeler, PhD, FACMG Vanderbilt University Medical Center __TOC__ ==Cancer Category/Ty..."

Bailey.Glen: Created page with "{{Under Construction}} ==Primary Author(s)*== Prasad R. Kopparapu, PhD and Ferrin C. Wheeler, PhD, FACMG Vanderbilt University Medical Center TOC ==Cancer Category/Ty..."