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  • Title: T-cell acute lymphoblastic leukemia relapsing as acute myelomonocytic leukemia and terminating possibly as chronic myelocytic leukemia.
    Author: Shimizu J, Hamashima Y, Tsuda H, Akiyama Y, Mikawa H, Ikehara S.
    Journal: Am J Hematol; 1987 Feb; 24(2):199-205. PubMed ID: 3492913.
    Abstract:
    A 9-year-old boy suffering from T-cell acute lymphoblastic leukemia (T-ALL) with a mediastinal mass had a complete remission as a result of treatment. Ten months later, he developed a typical acute myelomonocytic leukemia (AMMoL) pattern. Two months after a second relapse, he showed a clinical picture that was indistinguishable from chronic myelocytic leukemia (CML). At autopsy, massive infiltration of CML-like cells was observed even in the thymus (190 g). These observations suggest that the leukemia in this child arose in a pluripotent stem cell capable of differentiation into both T-lymphocytic and myelomonocytic lineages.
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