“…Presumed constitutional chromosomal abnormalities are highlighted in bold. a At pretransplant work-up; however, at diagnosis had 47,XY,+8 [6] Letter to the Editor translocation, 12 and whether it has any pathological role in leukemogenesis remains to be determined. The other abnormalities, t(11;15)(q13;q24), inv(12)(q13q22), t(3;5)(q12;q22) and t(3;5) (q21;q31), do not appear to have any prior reports in the published leukemia literature, based on our exhaustive search.…”