A cytogenetic study of a 38-year-old patient with acute lymphoblastic leukemia (ALL) revealed a t(1;19)(q23;p13), which is a characteristic translocation of childhood ALL. The leukemic cells were positive for the CD10, CD19, HLA-DR, TdT and cytoplasmic mu-chain. Both of the immunoglobulin heavy chain gene loci were rearranged and the RNA-based polymerase chain reaction demonstrated the E2A/PBX1 fusion transcript which is the result of the t(1;19). This finding suggests that the t(1;19) is implicated not only in childhood ALL but also in adult ALL patients.
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Hosp Clin Porto Alegre, Serv Oncol Pediat, Pediat Oncol Unit, Porto Alegre, RS, BrazilHosp Clin Porto Alegre, Serv Oncol Pediat, Pediat Oncol Unit, Porto Alegre, RS, Brazil
Pinto, LIB
Marczyk, FF
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Hosp Clin Porto Alegre, Serv Oncol Pediat, Pediat Oncol Unit, Porto Alegre, RS, BrazilHosp Clin Porto Alegre, Serv Oncol Pediat, Pediat Oncol Unit, Porto Alegre, RS, Brazil
Marczyk, FF
Brunetto, AL
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Hosp Clin Porto Alegre, Serv Oncol Pediat, Pediat Oncol Unit, Porto Alegre, RS, BrazilHosp Clin Porto Alegre, Serv Oncol Pediat, Pediat Oncol Unit, Porto Alegre, RS, Brazil