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dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP-
dc.contributor.authorBORBA, Claudio Carneiro-
dc.contributor.authorCHAUFFAILLE, Maria de Lourdes-
dc.contributor.authorSANABNAI, Sabri Saeed-
dc.contributor.authorFERNANDES, Juliana Folloni-
dc.contributor.authorKUMEDA, Cristina Aiko-
dc.contributor.authorVELLOSO, Elvira Deolinda Rodrigues Pereira-
dc.contributor.authorSANTOS, Katia Jarandilha dos-
dc.contributor.authorPUPIM, Marcia Puato Vieira-
dc.contributor.authorHAMERSCHLAK, Nelson-
dc.contributor.authorODONE FILHO, Vicente-
dc.contributor.authorBENDIT, Israel-
dc.identifier.citationACTA HAEMATOLOGICA, v.127, n.3, p.165-169, 2012-
dc.description.abstractThis paper chronicles a 2-year-old girl who presented with acute leukemia/lymphoma syndrome of the T cell immuno-phenotype. At this time, the cytogenetic analysis of her bone marrow cells showed a reciprocal translocation between the short arm of chromosome 12 and the long arm of chromosome 13, t(12;13)(p13;q14). The immunophenotyping of bone marrow blast cells by flow cytometry revealed a population of cells positive for CD56, CD117, CD45, partial CD33, partial HLA-DR, CD13, CD7, CD2 and CD5. Therefore, a diagnosis of acute leukemia with a mixed T cell/myeloid phenotype was made. The patient had a poor response to classic T cell acute lymphocytic leukemia/lymphoma therapy; thus, her treatment was changed to a myeloid leukemia protocol, which produced a good response. She underwent a successful cord blood transplantation from an unrelated HLA partially matched donor. The coexistence of these two phenotypes prompts questions about the existence of clonal instability, which might influence the choice of therapy. The rarity of the t(12;13)(p13;q14) and the coexistence of T cell/myeloid markers suggest a nonrandom association. To the best of our knowledge, this is the first reported case in which a cell clone bearing a t(12;13)(p13;q14) translocation in a mixed T cell/myeloid lesion was detected.-
dc.description.sponsorshipMaria Cecilia Souto Vidigal Foundation, Sao Paulo, Brazil-
dc.relation.ispartofActa Haematologica-
dc.subjectChromosomal translocation-
dc.subject.otheracute lymphoblastic-leukemia-
dc.titleSimultaneous Occurrence of Biphenotypic T Cell/Myeloid Lesions Involving t(12;13)(p13;q14) in a Pediatric Patient-
dc.rights.holderCopyright KARGER-
dc.type.categoryoriginal article-
dc.type.versionpublishedVersion-, Maria de Lourdes:Hosp Israelita Albert Einstein, Fleury Grp, Sao Paulo, Brazil-, Juliana Folloni:Hosp Israelita Albert Einstein, Dept Hematol & Transplante Medula Ossea, Sao Paulo, Brazil-, Katia Jarandilha dos:Hosp Samaritano, Unidade Terapia Intens Pediat, Sao Paulo, Brazil-, Marcia Puato Vieira:Hosp Samaritano, Unidade Terapia Intens Pediat, Sao Paulo, Brazil-, Nelson:Hosp Israelita Albert Einstein, Dept Hematol & Transplante Medula Ossea, Sao Paulo, Brazil-
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Artigos e Materiais de Revistas Científicas - FM/MPE
Departamento de Pediatria - FM/MPE

Artigos e Materiais de Revistas Científicas - HC/ICHC
Instituto Central - HC/ICHC

Artigos e Materiais de Revistas Científicas - HC/ICr
Instituto da Criança - HC/ICr

Artigos e Materiais de Revistas Científicas - LIM/36
LIM/36 - Laboratório de Pediatria Clínica

Artigos e Materiais de Revistas Científicas - LIM/52
LIM/52 - Laboratório de Virologia

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