Analysis of Acute Myeloid Leukemia in Korean Patients with Sole Trisomy 6
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Autosomal trisomy as a sole cytogenetic change has been de- scribed in several hematologic malignancy cases, but the num- ber of reports on the association between specific morphologies and individual structural cytogenetic abnormalities are few [1]. Trisomy 8 is the most common abnormality in myeloproliferative neoplasms (MPN), MDS, MDS/MPN and AML, and trisomy 4, 9, 11, 13, and 21 have been reported to be associated with my- eloid disorders [1, 2]. Here, we describe three patients with AML and show that trisomy 6 is the sole clonal cytogenetic bone marrow abnormality. The patients were adults without previous hematologic disorders, and were initially diagnosed with AML M1, M2, and M4, according to the French-American-British (FAB) classification. These patients received chemotherapy with or without allogenic peripheral blood stem cell transplantation (PBSCT), and showed variable clinical outcomes.
Abstract
Autosomal trisomy as a sole cytogenetic change has been de- scribed in several hematologic malignancy cases, but the num- ber of reports on the association between specific morphologies and individual structural cytogenetic abnormalities are few [1]. Trisomy 8 is the most common abnormality in myeloproliferative neoplasms (MPN), MDS, MDS/MPN and AML, and trisomy 4, 9, 11, 13, and 21 have been reported to be associated with my- eloid disorders [1, 2]. Here, we describe three patients with AML and show that trisomy 6 is the sole clonal cytogenetic bone marrow abnormality. The patients were adults without previous hematologic disorders, and were initially diagnosed with AML M1, M2, and M4, according to the French-American-British (FAB) classification. These patients received chemotherapy with or without allogenic peripheral blood stem cell transplantation (PBSCT), and showed variable clinical outcomes.
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