NCIt synonyms : t 3 21 q26 q22; t(3;21)(q26.2;q22);
NCIt definition : A cytogenetic abnormality that refers to the translocation of the long arm (q26) of
chromosome 3 and the long arm (q22) of chromosome 21. It is associated with RUNX1/MECOM
fusions, chronic myelogenous leukemia in blast crisis (BC-CML), myelodysplastic syndrome
(MDS) and acute myeloid leukemia (AML).;